Jessa mixed sand and paperclips. She wants to remove the paperclips without touching them. Her teacher gives her the choice of three different tools to use. Which tool is best suited for removing paperclips without touching them?

Grace wants to see which object she should NOT choose to clean up a spill. Based on the absorbency (ability to soak up something) property of each item, which item would be the worst to select?

Angelica mixed dirt and rocks in a large tray. She has to separate the stones from the soil in one minute. Her teacher gives her the choice of three different tools to use. Which tool is best suited for separating the dirt and rocks quickly?

Micah's class tested two bridge models to see which materials would build the strongest structure. They noticed that "Bridge B" collapsed under the weight of the toy cars and they want to improve it.

Which set of materials would be the best choice to replace what they used?

Different materials have specific purposes and are best suited for certain tasks.

Straw, sticks, bricks, and mud are all materials that can be used to build a house. Which would be the best option and why?

How can we determine if a material is appropriate for a specific purpose?

Juana's class tested two bridge models to see which materials would build the strongest structure. They noticed that "Bridge B" collapsed under the weight of the toy cars and they want to improve it.

Why did "Bridge B" fail and collapse under the weight of the cars?

Jamal lost his baseball over the fence and into his mean neighbor's yard. He found four rocks and tested their hardness. He decides to use one as a replacement for his baseball until he gets a new one.

Based on the data table below, which rock(s) should Jamal NOT use for the baseball?

Based on what you know about sponges, which item is most likely a sponge?