What kinds of materials can be used to slow down heat? You can use your refrigerator to make an easy test. Make sure there is enough room in the bottom of the freezing compartment in your...
You’re getting warm
On a chilly day, there's an easy way to make your cold hands feel warmer. Rub them together---fast! Why does rubbing your hands make them warmer? You are made up of molecules, just like all other...
Can plants see, or hear, or feel?
A sunflower seems to watch the sun. It slowly turns its flower head as the sun moves across the sky. Can a sunflower see? If you touch the leaves of a plant called the sensitive plant, they will...
Six legs
All insects have six legs and two feelers. Most insects have wings. And all insects' bodies are divided into three parts--- head, chest, and stomach. Did a fly ever land on your arm and tickle you?...
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