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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Q: Vibrating objects such as drumheads produce what? Choices: - negative ions - light - heat - sound energy A:
sound energy
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Q: Water is recycled constantly through which system? Choices: - the hydropshere - the habitat - the troposphere - the ecosystem A:
the ecosystem
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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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