Q: Answer the question below:   Marco needs to dig a well in his backyard, but the water table is very low. The energy that it will take to dig a shallow well is great or small?    Assuming that:  As the water is pumped out, the water table slowly falls, requiring wells to be dug deeper, which takes more money and energy.
A: small


Q: Answer the question below:   Will was using a flashlight. He used a long exposure and a short exposure. Which exposure likely made the stars seem brighter short or long?    Assuming that:  The longer the exposure, the more light that the telescope can gather to make the image.
A: long


Q: Answer the question below:   Sally drops a bowling ball into a small wading pool, then she drops a much smaller baseball into the same wading pool. She notices that the bowling ball causes more water to splash out, this means that more water is displaced by the larger bowling ball or smaller baseball.?    Assuming that:  So more water is displaced by a bigger body than a smaller one.
A: larger bowling ball


Q: Answer the question below:   As we start sleeping our hearts pump slower which means blood flow increases or decreases?    Assuming that:  Warming up exercises increases the blood flow to the muscles and increases the heart rate.
A: decreases