With higher frequencies, the microwaves also have more energy.  Tim adjusted his microwave so that it was at a higher frequency. This resulted in the waves inside the microwave to have less energy or more energy.?
more energy.
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A stronger acid produces a greater concentration of ions than a weaker acid.  Milo is measuring acidity levels in his drink fridge. If his sprite is less acidic then his coke, which item has the greater concentration of ions coke or sprite?
coke
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If two objects have the same mass, the object with the higher temperature has greater thermal energy.  If you were to heat up steel what would happen to its thermal energy increase or decrease?
increase
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When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter.  A person with a high fever will have narrowing or widening of the blood vessels in the skin?
narrowing
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