Ques:Answer the following question given this paragraph: A wheel and axle is a simple machine that consists of two connected rings or cylinders, one inside the other, which both turn in the same direction around a single center point. When force is applied to the inner axle, the ideal mechanical advantage is less than 1. When force is applied to the outer wheel, the ideal mechanical advantage is greater than 1. Q: What simple machine consists of two connected rings or cylinders, one inside the other, which both turn in the same direction around a single center point? Choices: - pully - bloom and axle - spoke - wheel and axle A:

Ans:wheel and axle
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Ques:Answer the following question given this paragraph: Tides are daily changes in the level of ocean water. They occur all around the globe. High tides occur when the water reaches its highest level in a day. Low tides occur when the water reaches its lowest level in a day. Tides keep cycling from high to low and back again. In most places the water level rises and falls twice a day. So there are two high tides and two low tides approximately every 24 hours. Q: What do you call the daily changes in the level of ocean water? Choices: - waves - shores - currents - tides A:

Ans:tides
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Ques:Answer the following question given this paragraph: Three ways that waves may interact with matter are reflection, refraction, and diffraction. Q: Three ways that waves may interact with matter are reflection, refraction, and what? Choices: - distortion - absorption - dispose - diffraction A:

Ans:diffraction
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Ques:Answer the following question given this paragraph: The genetic code is the same in all living things. This shows that all organisms are related by descent from a common ancestor. Q: What code is the same in all living things and shows that all organisms are related by descent from a common ancestor? Choices: - descendant - biochemical - intrinsic - genetic A:

Ans:
genetic
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