Life Science - 5th Grade Science
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Plants and trees can grow in a wide variety of environments. Whether they grow in the desert or the rainforest, they all have one thing in common, air and water are necessary for life and growth. Depending on the plant's adaptations, the amount of water needed to survive varies. Some plants, like those in the desert, need very little water to grow. Plants primarily get the materials for growth from the air and water. Sunlight provides the energy that is required to create food through photosynthesis. We often see plants in soil, but it isn't necessary for growth.
Hydroponics is a system of growing plants without soil. Nutrients are added to water and delivered directly through a plant's roots. Plants do not gain anything from the earth itself; they absorb nutrients from within the soil. If those nutrients are added to the water, and the plant is in the open air, then the soil is not needed. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Hydroponics come in numerous forms: the plants can be hung vertically, and the roots are sprayed, or roots may be submerged in water through a series of tubs, containers, or even coconut husks!
Why is air so important for a plant's growth?
Plants and trees can grow in a wide variety of environments. Whether they grow in the desert or the rainforest, they all have one thing in common, air and water are necessary for life and growth. Depending on the plant's adaptations, the amount of water needed to survive varies. Some plants, like those in the desert, need very little water to grow. Plants primarily get the materials for growth from the air and water. Sunlight provides the energy that is required to create food through photosynthesis. We often see plants in soil, but it isn't necessary for growth.
Hydroponics is a system of growing plants without soil. Nutrients are added to water and delivered directly through a plant's roots. Plants do not gain anything from the earth itself; they absorb nutrients from within the soil. If those nutrients are added to the water, and the plant is in the open air, then the soil is not needed. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Hydroponics come in numerous forms: the plants can be hung vertically, and the roots are sprayed, or roots may be submerged in water through a series of tubs, containers, or even coconut husks!
Why is air so important for a plant's growth?
Air is vital to a plant's growth and survival. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Without air, plants would not be able to create glucose and would die. They must have access to carbon dioxide to survive.
Air is vital to a plant's growth and survival. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Without air, plants would not be able to create glucose and would die. They must have access to carbon dioxide to survive.
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Plants and trees can grow in a wide variety of environments. Whether they grow in the desert or the rainforest, they all have one thing in common, air and water are necessary for life and growth. Depending on the plant’s adaptations, the amount of water needed to survive varies. Some plants, like those in the desert, need very little water to grow. Plants primarily get the materials for growth from the air and water. Sunlight provides the energy that is required to create food through photosynthesis. We often see plants in soil, but it isn’t necessary for growth.
Hydroponics is a system of growing plants without soil. Nutrients are added to water and delivered directly through a plant’s roots. Plants do not gain anything from the earth itself; they absorb nutrients from within the soil. If those nutrients are added to the water, and the plant is in the open air, then the soil is not needed. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Hydroponics come in numerous forms: the plants can be hung vertically, and the roots are sprayed, or roots may be submerged in water through a series of tubs, containers, or even coconut husks!
Why is water important to a plant's survival?
Plants and trees can grow in a wide variety of environments. Whether they grow in the desert or the rainforest, they all have one thing in common, air and water are necessary for life and growth. Depending on the plant’s adaptations, the amount of water needed to survive varies. Some plants, like those in the desert, need very little water to grow. Plants primarily get the materials for growth from the air and water. Sunlight provides the energy that is required to create food through photosynthesis. We often see plants in soil, but it isn’t necessary for growth.
Hydroponics is a system of growing plants without soil. Nutrients are added to water and delivered directly through a plant’s roots. Plants do not gain anything from the earth itself; they absorb nutrients from within the soil. If those nutrients are added to the water, and the plant is in the open air, then the soil is not needed. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Hydroponics come in numerous forms: the plants can be hung vertically, and the roots are sprayed, or roots may be submerged in water through a series of tubs, containers, or even coconut husks!
Why is water important to a plant's survival?
Water is one of just a few things plants need to survive. Water supports the transportation of nutrients, from the soil up into the structures of the plant, is used in the process of photosynthesis, helps keep plants standing stiff and upright and not wilted or droopy, and water helps keep plants cool as it evaporates from the leaves. If plants do not have access to water, they will not absorb the nutrients needed to grow.
Water is one of just a few things plants need to survive. Water supports the transportation of nutrients, from the soil up into the structures of the plant, is used in the process of photosynthesis, helps keep plants standing stiff and upright and not wilted or droopy, and water helps keep plants cool as it evaporates from the leaves. If plants do not have access to water, they will not absorb the nutrients needed to grow.
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A few students in a science lab are arguing about a plant's needs for survival.
Logan: "Plants only need air to grow and survive."
Sophia: "Plants need both water and air to grow and survive."
Bryce: "Plants only need water to grow and survive."
Topanga: "Plants do not need water or air to grow and survive."
Which student is correct and why?
A few students in a science lab are arguing about a plant's needs for survival.
Logan: "Plants only need air to grow and survive."
Sophia: "Plants need both water and air to grow and survive."
Bryce: "Plants only need water to grow and survive."
Topanga: "Plants do not need water or air to grow and survive."
Which student is correct and why?
Sophia is correct in the argument about a plant's needs for survival. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Water supports the transportation of nutrients, from the soil up into the structures of the plant, is used in the process of photosynthesis, helps keep plants standing stiff and upright and not wilted or droopy, and water helps keep plants cool as it evaporates from the leaves. Water and air are vital to a plant's growth and survival.
Sophia is correct in the argument about a plant's needs for survival. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Water supports the transportation of nutrients, from the soil up into the structures of the plant, is used in the process of photosynthesis, helps keep plants standing stiff and upright and not wilted or droopy, and water helps keep plants cool as it evaporates from the leaves. Water and air are vital to a plant's growth and survival.
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Plants get the materials they need for growth chiefly from air and water.
Plants get the materials they need for growth chiefly from air and water.
The statement provided is true. Plants need sunlight for the process of photosynthesis but the materials they need for growth primarily come from water and air. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Water supports the transportation of nutrients, from the soil up into the structures of the plant, is used in the process of photosynthesis, helps keep plants standing stiff and upright and not wilted or droopy, and water helps keep plants cool as it evaporates from the leaves.
The statement provided is true. Plants need sunlight for the process of photosynthesis but the materials they need for growth primarily come from water and air. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Water supports the transportation of nutrients, from the soil up into the structures of the plant, is used in the process of photosynthesis, helps keep plants standing stiff and upright and not wilted or droopy, and water helps keep plants cool as it evaporates from the leaves.
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Plants and trees can grow in a wide variety of environments. Whether they grow in the desert or the rainforest, they all have one thing in common, air and water are necessary for life and growth. Depending on the plant’s adaptations, the amount of water needed to survive varies. Some plants, like those in the desert, need very little water to grow. Plants primarily get the materials for growth from the air and water. Sunlight provides the energy that is required to create food through photosynthesis. We often see plants in soil, but it isn’t necessary for growth.
Hydroponics is a system of growing plants without soil. Nutrients are added to water and delivered directly through a plant’s roots. Plants do not gain anything from the earth itself; they absorb nutrients from within the soil. If those nutrients are added to the water, and the plant is in the open air, then the soil is not needed. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Hydroponics come in numerous forms: the plants can be hung vertically, and the roots are sprayed, or roots may be submerged in water through a series of tubs, containers, or even coconut husks!
What three things help a plant to grow?
Plants and trees can grow in a wide variety of environments. Whether they grow in the desert or the rainforest, they all have one thing in common, air and water are necessary for life and growth. Depending on the plant’s adaptations, the amount of water needed to survive varies. Some plants, like those in the desert, need very little water to grow. Plants primarily get the materials for growth from the air and water. Sunlight provides the energy that is required to create food through photosynthesis. We often see plants in soil, but it isn’t necessary for growth.
Hydroponics is a system of growing plants without soil. Nutrients are added to water and delivered directly through a plant’s roots. Plants do not gain anything from the earth itself; they absorb nutrients from within the soil. If those nutrients are added to the water, and the plant is in the open air, then the soil is not needed. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Hydroponics come in numerous forms: the plants can be hung vertically, and the roots are sprayed, or roots may be submerged in water through a series of tubs, containers, or even coconut husks!
What three things help a plant to grow?
Water, air, and sunlight are the most important things that a plant needs for growth. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Water supports the transportation of nutrients, from the soil up into the structures of the plant, is used in the process of photosynthesis, helps keep plants standing stiff and upright and not wilted or droopy, and water helps keep plants cool as it evaporates from the leaves. Soil is not necessary if the water is nutrient-rich.
Water, air, and sunlight are the most important things that a plant needs for growth. Plants take in carbon dioxide from the air and convert it into glucose through the process of photosynthesis, which is powered by sunlight. Water supports the transportation of nutrients, from the soil up into the structures of the plant, is used in the process of photosynthesis, helps keep plants standing stiff and upright and not wilted or droopy, and water helps keep plants cool as it evaporates from the leaves. Soil is not necessary if the water is nutrient-rich.
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True or False: For a seed to germinate, it must receive an adequate amount of water.
True or False: For a seed to germinate, it must receive an adequate amount of water.
The statement "For a seed to germinate, it must receive an adequate amount of water." is true. The seed is a small part of a plant and contains the embryo, a tiny new plant. If this seed has the right conditions, including an adequate amount of water, it will germinate, and a new plant will sprout. Without water, the seed will not grow, and no new plants will form.
The statement "For a seed to germinate, it must receive an adequate amount of water." is true. The seed is a small part of a plant and contains the embryo, a tiny new plant. If this seed has the right conditions, including an adequate amount of water, it will germinate, and a new plant will sprout. Without water, the seed will not grow, and no new plants will form.
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Plants must have water to grow. What structure of the plant absorbs water?
Plants must have water to grow. What structure of the plant absorbs water?
Humans and animals take in water by drinking it with their mouths. Plants need water but do not have the same structures or parts as humans and animals. The roots of a plant absorb moisture from the soil to hydrate the plant. If the roots are damaged and cannot absorb water, the plant will not survive.
Humans and animals take in water by drinking it with their mouths. Plants need water but do not have the same structures or parts as humans and animals. The roots of a plant absorb moisture from the soil to hydrate the plant. If the roots are damaged and cannot absorb water, the plant will not survive.
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What purpose(s) does air serve for plants?
What purpose(s) does air serve for plants?
In photosynthesis, plants take in carbon dioxide from the air and combine it with water absorbed through their roots. They use energy from sunlight to turn these ingredients into carbohydrates (sugars) and oxygen, and they release extra oxygen to the air. Plants need oxygen to survive, and plant cells are continually using oxygen. Respiration in plants is the process of cells releasing energy for their use by breaking down sugars and using up oxygen. Plants need oxygen for the two functions to run efficiently.
In photosynthesis, plants take in carbon dioxide from the air and combine it with water absorbed through their roots. They use energy from sunlight to turn these ingredients into carbohydrates (sugars) and oxygen, and they release extra oxygen to the air. Plants need oxygen to survive, and plant cells are continually using oxygen. Respiration in plants is the process of cells releasing energy for their use by breaking down sugars and using up oxygen. Plants need oxygen for the two functions to run efficiently.
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A group of students had two identical trays of soil, each with ten tomato seedlings planted in them. Tray A was placed in the dark. Tray B was placed in direct sunlight. Both trays were given the same amount of water. After four weeks, the students observed both trays. Which tray of seedlings will have the most growth?
A group of students had two identical trays of soil, each with ten tomato seedlings planted in them. Tray A was placed in the dark. Tray B was placed in direct sunlight. Both trays were given the same amount of water. After four weeks, the students observed both trays. Which tray of seedlings will have the most growth?
In this scenario, the plants with the most growth would be the plants in tray B. The plants in tray B received not only water (which plants must have to survive) but also sunlight. Plants need sunlight for the process of photosynthesis. If plants do not have access to air and sunlight, they cannot make their food and survive. The plants in tray A were deprived of sunlight, so they will not have as much growth as tray B.
In this scenario, the plants with the most growth would be the plants in tray B. The plants in tray B received not only water (which plants must have to survive) but also sunlight. Plants need sunlight for the process of photosynthesis. If plants do not have access to air and sunlight, they cannot make their food and survive. The plants in tray A were deprived of sunlight, so they will not have as much growth as tray B.
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Patrick removes the roots from his plant. Which plant activity will be affected the most?
Patrick removes the roots from his plant. Which plant activity will be affected the most?
Plants' roots are vital to the absorption of water. The roots of the plant not only hold it in place to keep it steady, but they also absorb moisture from the soil. If the roots are removed, there will be nothing to absorb and hold water leaving the plant dehydrated and unable to survive.
Plants' roots are vital to the absorption of water. The roots of the plant not only hold it in place to keep it steady, but they also absorb moisture from the soil. If the roots are removed, there will be nothing to absorb and hold water leaving the plant dehydrated and unable to survive.
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The process of plants making their own food with sunlight, carbon dioxide, and water is called __________.
The process of plants making their own food with sunlight, carbon dioxide, and water is called __________.
Plants make their own food through the process of photosynthesis. Plants convert sunlight, carbon dioxide, and water into chemical energy that is used for food.
Plants make their own food through the process of photosynthesis. Plants convert sunlight, carbon dioxide, and water into chemical energy that is used for food.
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Select the answer that is represented by point A on the diagram provided.
Select the answer that is represented by point A on the diagram provided.
There are four pieces of a cell shown on the diagram provided.
Cell Membrane: The cell is contained by the cell membrane and it keeps all the pieces inside.
Nucleus: The nucleus is known as the brain of a cell. The nucleus is a structure within the cell's structure. The nucleus isn't always in the middle of the cell, but it's usually not near an edge.
Nucleolus: The nucleolus is within the nucleus, and can be thought of as the brain of the nucleus.
Nuclear Membrane: The nuclear membrane surrounds the nucleus.
Point A is pointing to the Cell Membrane.
There are four pieces of a cell shown on the diagram provided.
Cell Membrane: The cell is contained by the cell membrane and it keeps all the pieces inside.
Nucleus: The nucleus is known as the brain of a cell. The nucleus is a structure within the cell's structure. The nucleus isn't always in the middle of the cell, but it's usually not near an edge.
Nucleolus: The nucleolus is within the nucleus, and can be thought of as the brain of the nucleus.
Nuclear Membrane: The nuclear membrane surrounds the nucleus.
Point A is pointing to the Cell Membrane.
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Select the answer that is represented by point B on the diagram provided.
Select the answer that is represented by point B on the diagram provided.
There are four pieces of a cell shown on the diagram provided.
Cell Membrane: The cell is contained by the cell membrane and it keeps all the pieces inside.
Nucleus: The nucleus is known as the brain of a cell. The nucleus is a structure within the cell's structure. The nucleus isn't always in the middle of the cell, but it's usually not near an edge.
Nucleolus: The nucleolus is within the nucleus, and can be thought of as the brain of the nucleus.
Nuclear Membrane: The nuclear membrane surrounds the nucleus.
Point B is pointing to the Nucleus.
There are four pieces of a cell shown on the diagram provided.
Cell Membrane: The cell is contained by the cell membrane and it keeps all the pieces inside.
Nucleus: The nucleus is known as the brain of a cell. The nucleus is a structure within the cell's structure. The nucleus isn't always in the middle of the cell, but it's usually not near an edge.
Nucleolus: The nucleolus is within the nucleus, and can be thought of as the brain of the nucleus.
Nuclear Membrane: The nuclear membrane surrounds the nucleus.
Point B is pointing to the Nucleus.
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Select the answer that is represented by point C on the diagram provided.
Select the answer that is represented by point C on the diagram provided.
There are four pieces of a cell shown on the diagram provided.
Cell Membrane: The cell is contained by the cell membrane and it keeps all the pieces inside.
Nucleus: The nucleus is known as the brain of a cell. The nucleus is a structure within the cell's structure. The nucleus isn't always in the middle of the cell, but it's usually not near an edge.
Nucleolus: The nucleolus is within the nucleus, and can be thought of as the brain of the nucleus.
Nuclear Membrane: The nuclear membrane surrounds the nucleus.
Point C is pointing to the Nucleolus.
There are four pieces of a cell shown on the diagram provided.
Cell Membrane: The cell is contained by the cell membrane and it keeps all the pieces inside.
Nucleus: The nucleus is known as the brain of a cell. The nucleus is a structure within the cell's structure. The nucleus isn't always in the middle of the cell, but it's usually not near an edge.
Nucleolus: The nucleolus is within the nucleus, and can be thought of as the brain of the nucleus.
Nuclear Membrane: The nuclear membrane surrounds the nucleus.
Point C is pointing to the Nucleolus.
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Select the answer that is represented by point D on the diagram provided.
Select the answer that is represented by point D on the diagram provided.
There are four pieces of a cell shown on the diagram provided.
Cell Membrane: The cell is contained by the cell membrane and it keeps all the pieces inside.
Nucleus: The nucleus is known as the brain of a cell. The nucleus is a structure within the cell's structure. The nucleus isn't always in the middle of the cell, but it's usually not near an edge.
Nucleolus: The nucleolus is within the nucleus, and can be thought of as the brain of the nucleus.
Nuclear Membrane: The nuclear membrane surrounds the nucleus.
Point D is pointing to the Nuclear Membrane.
There are four pieces of a cell shown on the diagram provided.
Cell Membrane: The cell is contained by the cell membrane and it keeps all the pieces inside.
Nucleus: The nucleus is known as the brain of a cell. The nucleus is a structure within the cell's structure. The nucleus isn't always in the middle of the cell, but it's usually not near an edge.
Nucleolus: The nucleolus is within the nucleus, and can be thought of as the brain of the nucleus.
Nuclear Membrane: The nuclear membrane surrounds the nucleus.
Point D is pointing to the Nuclear Membrane.
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What is a decomposer in the food chain?
What is a decomposer in the food chain?
A decomposer is an organism that breaks down organic material. This includes the remains of dead organisms. Bacteria, worms, snails, slugs, and fungi are types of decomposers. All organisms undergo decomposition after death.
A decomposer is an organism that breaks down organic material. This includes the remains of dead organisms. Bacteria, worms, snails, slugs, and fungi are types of decomposers. All organisms undergo decomposition after death.
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What is the role of a decomposer in an ecosystem?
What is the role of a decomposer in an ecosystem?
A decomposer is an organism that feeds on and breaks down dead plant or animal matter, making organic nutrients available to the ecosystem. Often a decomposer is a bacterium, fungus, or invertebrate. Decomposers play a critical role in the flow of energy through an ecosystem. Decomposers make vital nutrients available to an ecosystem’s primary producers—usually plants and algae.
A decomposer is an organism that feeds on and breaks down dead plant or animal matter, making organic nutrients available to the ecosystem. Often a decomposer is a bacterium, fungus, or invertebrate. Decomposers play a critical role in the flow of energy through an ecosystem. Decomposers make vital nutrients available to an ecosystem’s primary producers—usually plants and algae.
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What would happen in a food chain if decomposers were removed?
What would happen in a food chain if decomposers were removed?
If decomposers were removed from a food chain, there would be a break down in the flow of matter and energy. Waste and dead organisms would pile up. Producers would not have enough nutrients because, within the waste and dead organisms, nutrients would not be released back into the ecosystem.
If decomposers were removed from a food chain, there would be a break down in the flow of matter and energy. Waste and dead organisms would pile up. Producers would not have enough nutrients because, within the waste and dead organisms, nutrients would not be released back into the ecosystem.
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If Jessa is making a model of a food chain and needs to include decomposers, what type of organism could she use as an example?
If Jessa is making a model of a food chain and needs to include decomposers, what type of organism could she use as an example?
A decomposer is an organism that feeds on and breaks down dead plant or animal matter, making organic nutrients available to the ecosystem. Often a decomposer is a bacterium, fungus, or invertebrate. Decomposers play a critical role in the flow of energy through an ecosystem. Decomposers make vital nutrients available to an ecosystem’s primary producers—usually plants and algae. A worm, bacterium, or fungi would all be acceptable examples of a decomposer.
A decomposer is an organism that feeds on and breaks down dead plant or animal matter, making organic nutrients available to the ecosystem. Often a decomposer is a bacterium, fungus, or invertebrate. Decomposers play a critical role in the flow of energy through an ecosystem. Decomposers make vital nutrients available to an ecosystem’s primary producers—usually plants and algae. A worm, bacterium, or fungi would all be acceptable examples of a decomposer.
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How do decomposers assist producers in moving matter in the food chain?
How do decomposers assist producers in moving matter in the food chain?
Decomposers play a vital role in keeping the food chain functioning properly. As decomposers break down the remains of dead organisms and produce waste, nutrients are recycled back into the soil for producers (plants) to absorb through their roots. Without decomposers, there would be a buildup of debris, remained, and a lack of nutrients in the food chain.
Decomposers play a vital role in keeping the food chain functioning properly. As decomposers break down the remains of dead organisms and produce waste, nutrients are recycled back into the soil for producers (plants) to absorb through their roots. Without decomposers, there would be a buildup of debris, remained, and a lack of nutrients in the food chain.
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