Use the surrounding text to answer the questions below. Insulation is a material that has the ability to store heat. Insulating materials , such as fiberglass batting or rigid plastic boards, are beneficial during both the winter and the summer. During the colder months, insulation stores the heated air produced by the home furnace and keeps it from leaving the home. During the warmer months, insulation stores heat moving in from the outside and prevents its infiltration, or leakage, into the home.
Proper insulation reduces the home's heating and cooling needs.
In addition to paying particular attention to new vocabulary, seeking out the main ideas and supporting details will also improve reading comprehension. Most information you read is divided into paragraphs. The main idea of the paragraph can sometimes be found in a single sentence, usually the first sentence in the paragraph. It is then followed by sentences containing the supporting details. In your own words, write one sentence that contains the main idea of the paragraph.