wunder beta☀️ How Sunlight Warms the Earth
Meet the sun, our closest star, and see how its light travels to Earth to warm the ground, make warm days and cool nights, and help plants grow.
What you’ll learn
- Here Comes the SunUnderstand that the sun is a star that gives light and warmth, and that its light travels to Earth and warms the ground.The sun is a giant glowing star, the closest one to Earth, and it gives us light to see and warmth to feel. Its light travels across space to reach us, and when sunlight lands on the ground, water, and air, it warms them up, which is why a sunny day feels warm.
- Warm Days and Cool NightsUnderstand why daytime is warm and nighttime is cooler, and that the sun helps plants grow.In the daytime the sun shines on us and makes it warm and bright, while at night the sun goes down and the air cools, so nights feel cooler. The sun also helps plants grow by giving them light to make food, as when a sunflower turns to face the sun.
Questions this course answers
What is the sun?
The sun is a giant, glowing star that gives Earth light and warmth.
What happens when sunlight lands on the ground?
Sunlight warms the ground, the water, and the air when it lands on them.
Why is nighttime cooler than daytime?
At night the sun is down, so no sunshine warms us and the air cools off.
How does the sun help plants?
Plants use the sun's light to grow and make their food.
Which one would feel warmer?
Standing in the bright sunshine feels warmer because sunlight lands on you.
Grounded in trusted sources
- NASA
- National Geographic Kids
- Britannica Kids
Every Wunder lesson is built from real, reputable sources — never invented.
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