Blair and her class build two bridges as a competition. The goal was to get the most cars across before the bridge collapsed. They have to choose the best design to improve on and send to the science fair.

Based on the data table, which bridge should they select and why?

Based on the data provided, which material should Ash use to build his shelf?

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?

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?

Based on the data provided, which material should Ash use to build his shelf?

Blair and her class build two bridges as a competition. The goal was to get the most cars across before the bridge collapsed. They have to choose the best design to improve on and send to the science fair.

Based on the data table, which bridge should they select and why?

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?

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?

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?