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What is solar energy?
Solar energy is energy that comes from the sun.
How does solar energy travel to Earth?
It travels in waves or rays.
What kind of rays can we see?
We can see light rays.
What is the sun made of?
The sun is a giant ball of gas.
Does all of the sun’s energy reach Earth?
No, only a small part reaches Earth.
What does sunlight turn into when it hits things?
It turns into heat.
Why is the sun important for life on Earth?
Without the sun, Earth would be too cold to live on.
How do plants use solar energy?
Plants use sunlight to grow.
Where do plants store energy from the sun?
They store it in their roots, stems, fruits, and leaves.
How does solar energy help create wind and rain?
The sun’s energy makes rain fall and wind blow.
Where did the energy in coal, oil, and natural gas originally come from?
It originally came from the sun.
Is solar energy renewable?
Yes, solar energy is renewable.
Why is solar energy considered clean?
Because it does not cause pollution.
What do solar collectors do?
They capture sunlight and turn it into heat.
What do solar cells (solar panels) change sunlight into?
They change sunlight into electricity. olar energy. It travels from the sun to the Earth in rays. Some are light rays that we can see. Some rays we can’t see,
How do we use the sun’s energy at home?
We use it to heat water and dry clothes.
