What is a mixture?

Which of the following are substances?

Sarah has a big box where she keeps her toys. She has all kinds of toys: wooden horses, plastic legos, dolls, stuffed animals, and even metal race cars! When Sarah plays, she puts everything out on the carpet, and when she cleans up she puts them all back in her big box. When Sarah was cleaning up yesterday, she saw that one of her race cars was orange and rusty! Her grandma said it's because it got wet. Which of the answer choices is NOT true about Sarah and her big box of toys?

What happens when you mix two substances?

Sydnie is making a sand castle on the beach. She mixes water with her sand to make sure it's wet enough to mold into the shapes she wants. Is Sydnie making a new substance when she mixes sand and water? How do you know?

Which of the pictures represents how substances can be combined to create an entirely new substance?

True or False: A mixture involving liquid cannot be separated.

Students in a science class mix together pepper and water. What type of change is made to materials when they are mixed?

Which answer choice(s) is an example of a mixture?

Edmund wants to separate a mixture back into its original parts. Which answer choice describes an action that separates the components of a mixture?