What is the energy that comes from the Sun called?
Q: What is the energy that comes from the Sun called?
A: The energy that comes from the Sun is called insolation.
Q: How much of solar radiation reaches the Earth's surface?
A: About 47% of solar radiation reaches the Earth's surface.
Q: What do plants need sunlight for?
A: Plants need sunlight for photosynthesis, which is a process in which they use the energy of sunlight, water, and carbon dioxide to create glucose (sugar).
Q: What happens when a plant does not get enough sunlight but has enough water?
A: When a plant does not get enough sunlight but has enough water, it grows very tall very quickly, but looks yellow and dehydrated, although when touched, the leaves are very moist.
Q: How can solar radiation be beneficial for a person's health?
A: Solar radiation can be beneficial for a person's health because when in the light, our bodies use ultraviolet part of sunlight to make its own Vitamin D.
Q: How can too much ultraviolet light be bad for us?
A: Too much ultraviolet light can cause sunburn and skin cancer if we don't wear sunscreen.
Q: How does sun angle affect seasons on Earth as well as day length?
A: Sun angle makes difference in seasons on Earth as well as in the length of day and night. A high angle makes the tropics hot and a low angle makes arctic cold.
