Answer the following question given this paragraph: Both the elephant and the boy are falling to the ground because of gravity. The force of gravity (F grav ) is greater for the elephant than it is for the boy because the elephant is much more massive. Nonetheless, both of them will reach the ground at the same time (assuming they fall from the same height at the same time and there is no air resistance. ). Q: If an elephant and a boy are falling towards the ground, who will land first? Choices: - the boy - neither will land - the elephant - both same time A:
both same time
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Answer the following question given this paragraph: Vibrating objects such as drumheads produce sound energy. Q: Vibrating objects such as drumheads produce what? Choices: - negative ions - light - heat - sound energy A:
sound energy
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Answer the following question given this paragraph: Water is recycled constantly through the ecosystem. That means any water you drank today has been around for millions of years. You could be drinking water that was once drunk by George Washington, the first humans, or even the dinosaurs. Q: Water is recycled constantly through which system? Choices: - the hydropshere - the habitat - the troposphere - the ecosystem A:
the ecosystem
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Answer the following question given this paragraph: Pollination by Insects Bees are perhaps the most important pollinator of many garden plants and most commercial fruit trees (Figure 32.12). The most common species of bees are bumblebees and honeybees. Since bees cannot see the color red, bee-pollinated flowers usually have shades of blue, yellow, or other colors. Bees collect energy-rich pollen or nectar for their survival and energy. Q: What important function do bees perform on garden plants and many commercial fruit trees? Choices: - hibernation - ruination - condensation - pollination A:
pollination
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