Planet Earth Facts: Lesson for Kids

Lesson Transcript
Instructor
Jeremy Cook

Jeremy taught elementary school for 18 years in in the United States and in Switzerland. He has a Masters in Education from Rollins College in Winter Park, Florida. He's taught grades 2, 3, 4, 5 and 8. His strength is in educational content writing and technology in the classroom

Expert Contributor
Christianlly Cena

Christianlly has taught college physics and facilitated laboratory courses. He has a master's degree in Physics and is pursuing his doctorate study.

We live on an amazing planet. The earth spins through the solar system in the just the right place to contain life. But I'll bet there are lots of things you didn't know about the blue planet. This lesson will teach you all about our home: Earth. Updated: 12/02/2020

Earth Basics

Earth is the third planet from the sun and the fifth largest planet in the solar system. It's a terrestrial planet, which means it has a hard surface made up of rocks and metals. Earth is the largest terrestrial planet, ahead of Venus, Mars, and Mercury.

Unlike the other planets, the earth wasn't named after a god. The name Earth came from the Old English word, 'Ertha,' which means 'ground' or 'soil.' Amazingly, even though the earth is basically named after ground or soil, more than 70 percent of the planet is covered in water. Maybe we should have called it Aqua! Most life on Earth lives in the water. Did you know that the most diverse population on Earth can be found in the coral reef systems of the ocean?

The earth has a very strong magnetic field, which helps keep the atmosphere around the planet in place. It takes the earth about 365 days, or a year, to orbit the sun and 24 hours to rotate on its axis, making a day. The earth also has four distinct seasons based on where it is on its revolution around the sun. The earth has one orbiting spatial body that we call the moon. It's rocky, small, and revolves around the earth about every month.

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  • 0:04 Earth Basics
  • 1:09 Earth Difference
  • 1:55 Cool Earth Facts
  • 2:22 Lesson Summary
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Earth Difference

Earth has just the right combination of water, atmosphere, and climate to support life as we know it. There is also a layer in the atmosphere called the ozone layer, which protects the planet from the radiation and heat of the sun.

So what does Earth have that allows for life that the other planets don't have? Well, there's a combination of a few things. First, Earth has a lot of water, and water is essential for life. Animals and plants need water, and Earth has enough for both. Since there's so much water on Earth, it is often called the Blue Planet.

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Additional Activities

Planet Earth: True or False Activity

This activity will help you assess your knowledge of the astonishing facts about our planet, the Earth.

Directions

Determine whether the following statements are true or false. To do this, print or copy this page on a blank paper and underline or circle the answer.

True | False 1. Earth is the only planet known to have an atmosphere containing free oxygen.

True | False 2. The Earth orbits around the Moon in about 365 days or approximately a year.

True | False 3. The Moon is a rounded astronomical body that orbits the Earth, serving as the planet's only natural satellite.

True | False 4. Earth is also known as the Green Planet, owing to its abundant vegetation.

True | False 5. Perhaps the most striking thing about the Earth is the presence of living organisms.

True | False 6. The oxygen layer is a thin part of the Earth's atmosphere that absorbs almost all of the Sun's harmful radiation.

True | False 7. Earth's weak magnetic field keeps the atmosphere intact and protects the planet from things in space, such as rocks and solar radiation.

True | False 8. The Earth's movement around the Sun causes the planet to have four distinct seasons.


Answer Key

  1. True
  2. False, because the correct statement is: The Earth orbits around the Sun in about 365 days or approximately a year.
  3. True
  4. False, because the correct statement is: Earth is also known as the Blue Planet, owing to its abundant water content.
  5. True
  6. False, because the correct statement is: The ozone layer is a thin part of the Earth's atmosphere that absorbs almost all of the Sun's harmful radiation.
  7. False, because the correct statement is: Earth's strong magnetic field keeps the atmosphere intact and protects the planet from things in space, such as rocks and solar radiation.
  8. True

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