How the Sun affects the Earth | Science videos for kids

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The lesson “The Sun and Our World” emphasizes the vital role of the sun in sustaining life on Earth, influencing everything from the cycle of day and night to the changing seasons. It explains how the Earth’s rotation creates day and night, while its tilt affects seasonal variations, with the equator experiencing consistent warmth year-round. Additionally, the lesson highlights the connection between the sun’s movement and our calendar, illustrating how the sun serves as a natural clock for tracking time.
  1. Why do we have day and night? Can you explain how the sun and Earth work together to create this?
  2. How does the sun help us know what season it is? What happens to the sun’s rays in summer and winter?
  3. What is the equator, and why is it always warm there? How is it different from other places on Earth?

The Sun and Our World

The sun is super important for everything that lives on Earth. It gives us light and warmth, which helps plants grow, keeps us warm, and even makes our weather change. Let’s learn more about how the sun affects our world!

Day and Night

Have you ever wondered why we have day and night? It’s because of the sun and how the Earth moves. During the day, the sun is up in the sky, shining bright. This happens because the side of the Earth we are on is facing the sun. At night, the sun goes down, and it gets dark because our side of the Earth is turned away from the sun.

The Earth spins around like a top, and this spinning is what makes day turn into night and night turn into day. It’s like a big dance in space!

Changing Seasons

The sun also helps create the seasons we know: spring, summer, fall, and winter. When the Earth is tilted towards the sun, we get summer because the sun’s rays are strong and warm. When the Earth is tilted away, we have winter because the sun’s rays are weaker and it’s colder.

Some places, like the North and South Poles, are always cold because the sun’s rays don’t reach them very well. That’s why there’s lots of ice there, and only a few animals and plants can live in such chilly places.

The Equator

There’s a special line around the middle of the Earth called the equator. It’s always warm there because the sun shines directly on it all year long. Instead of having four seasons, the equator mostly has changes in rain and wind.

The Sun and Our Calendar

Did you know our calendar is also connected to the sun? A year is how long it takes for the Earth to go all the way around the sun. This helps us keep track of days, months, and holidays. The sun is like a big clock in the sky!

Learn and Play

If you want to have more fun learning about the sun and other cool things, you can play with me in the Kids Academy app. You can learn about math, reading, writing, and more. Let’s have fun together!

  • Have you ever noticed how the sun makes you feel warm when you play outside? Can you think of a time when the sun helped you have fun or do something special?
  • What do you like to do during the day when the sun is shining? How is it different from what you do at night when it’s dark?
  • Can you imagine what it would be like to live in a place where it’s always warm like at the equator or always cold like at the North Pole? Which would you prefer and why?
  1. Sunlight and Shadows Experiment:

    Go outside on a sunny day with a friend or family member. Bring a piece of chalk. Stand in one spot and have your friend trace your shadow with the chalk. Come back to the same spot every hour and trace your shadow again. What do you notice about the size and direction of your shadow as the day goes on? Discuss why shadows change with the position of the sun in the sky.

  2. Seasonal Changes Observation:

    Pick a tree or plant near your home or school. Observe it once a week for a few months. Draw a picture of how it looks each time you visit. What changes do you notice as the seasons change? Talk about how the sun might be affecting these changes, like the leaves falling in autumn or flowers blooming in spring.

  3. Day and Night Role Play:

    With a group of friends, pretend to be the Earth and the Sun. One person can be the Sun, standing still, while another person spins slowly in place to represent the Earth. As the “Earth” spins, talk about when it is day and when it is night. You can use a flashlight to represent the sun’s light. How does the spinning of the Earth create day and night?

Here’s a sanitized version of the provided YouTube transcript:

Since living things on Earth receive light and warmth from the sun, we can say that our entire existence is influenced by it. The changing seasons, day and night, and varying climates all depend on the sun.

Let’s explore this further. What are day and night? Daytime lasts from the moment the sun rises until it sets, while nighttime is from sunset until sunrise. The way the sun appears and disappears in the sky is connected to the Earth’s revolution around the sun and its rotation on its own axis.

The Earth spins as it moves through space, somewhat like a spinning top. Because of this rotation, one half of the Earth faces the sun, creating daytime, while the opposite side, which is not illuminated, experiences nighttime.

The change of seasons also depends on the Earth’s position relative to the sun. In areas where the air and surface are well-lit and warmed by the sun, it is summer. In contrast, regions where the sun’s rays barely reach the surface experience winter.

There are two regions on Earth that can never be adequately warmed by the sun: the North and South Poles, which are always covered in ice. Very few plants and animals can survive in such cold climates.

At the same time, at the equator, which circles the middle of our planet, it is always summer. This area is consistently warmed by the sun, and the seasons differ mainly in terms of rainfall and wind direction.

Even the calendar we use is related to the sun. A year is defined as the time it takes for the Earth to complete one revolution around our star, the sun. Our daily lives and holidays are influenced by it, as is all life on Earth.

[Applause] [Music]

Play with me in the Kids Academy app and learn about math, reading, writing, and more! Scan the QR code or use the link in the description. Let’s have fun!

This version maintains the original content while removing any informal language and ensuring clarity.

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