The Sun is a bright star. We see it during the day. We know it is important, but why? The Sun gives us light energy and heat energy. Energy from the Sun is called solar energy.
Photo Credit: wenani/Shutterstock
In the Know
Inspired by Nature
Scientists look to nature for ideas. This is called biomimicry. … read more
In the Know
Summer Heat Waves
Many places are having summer heat waves. These are periods … read more
In the Know
How New York’s Central Park Reuses Trees
National Love a Tree Day is May 16. It is … read more