Use information from the paragraph to answer the question.  Question:   Henry noticed that his piece of cake was heavier than his piece of butter. The cake was more or less dense?    Paragraph :  A given volume of a denser substance is heavier than the same volume of a less dense substance.
more

Use information from the paragraph to answer the question.  Question:   The closer to sea level that you get the cooler it is or warmer it is?    Paragraph :  The surface is heated by the Sun and some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes.
warmer it is

Use information from the paragraph to answer the question.  Question:   A wave with a low frequency has more or less energy than a wave with a high frequency?    Paragraph :  Higher frequency waves have greater energy.
