The farther apart you move your hands, the stronger the force of the rubber band pulling your hands together.  Alan has a rubber band on his hands. He pushes his hands together and the rubber bands force increases or decreases?
decreases
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The pupil automatically gets bigger or smaller to let more or less light in as needed.  Will's pupils grew smaller as the day grew brighter. This happens to let less or more light in?
less
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Light-skinned people get sunburned more quickly than people with darker skin.  If Milo has dark skin and Jerry has light skin, which person will sunburn more easily Milo or Jerry?
Jerry
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Pigments in the skin act like a filter that can prevent the skin from making vitamin D. As a result, people with darker skin need more time in the sun than people with lighter skin to make the same amount of vitamin D.  Two friends are headed to the beach, Mike and John. Mike is white, and John is black. Both want to make the same amount of vitamin D through sun exposure. The person who will take longer to make the amount of vitamin D is Mike or John?

John
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