Read About Light and Heat
Light and Heat Change What We Do
The Sun is our main source of light and heat.
Sometimes, what we do depends on sunlight and heat.
On sunny days, the air is usually warmer.
On most nights, there is very little light and less heat.
What Is It Like Outside?
There are different types of weather.
Temperature tells you how warm or cold it is outside.
Now Show What You Know!
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