A Collection of Scientific Facts for Children

1. The Sun:

  • The Sun is a star at the center of our solar system.
  • It is about 93 million miles away from Earth.
  • The Sun provides the light and heat necessary for life on Earth.

2. Water:

  • Water covers about 71% of the Earth’s surface.
  • It exists in three forms: solid (ice), liquid (water), and gas (steam).
  • Humans need water to survive, and our bodies are about 60% water.

3. Plants:

  • Plants produce their own food through a process called photosynthesis.
  • They take in carbon dioxide, water, and sunlight to make food and release oxygen.
  • Trees can live for thousands of years; some are older than 4,000 years!

4. Space:

  • There are eight planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
  • The largest planet in our solar system is Jupiter.
  • The Milky Way galaxy, where our solar system is located, contains billions of stars.

5. Animals:

  • The blue whale is the largest animal on Earth, reaching lengths of up to 100 feet.
  • Cheetahs are the fastest land animals, capable of running at speeds up to 70 miles per hour.
  • Octopuses have three hearts and blue blood.

6. The Human Body:

  • The human body has 206 bones.
  • The heart beats about 100,000 times a day.
  • Our brains contain about 86 billion nerve cells called neurons.

7. Earth:

  • Earth is the third planet from the Sun.
  • It is the only planet known to support life.
  • The Earth’s rotation on its axis causes day and night.

8. Dinosaurs:

  • Dinosaurs lived on Earth about 65 million years ago.
  • The Tyrannosaurus rex (T. rex) was one of the largest meat-eating dinosaurs.
  • Fossils are the preserved remains of ancient organisms, including dinosaurs.

9. Weather:

  • Lightning is a powerful burst of electricity in the atmosphere.
  • Tornadoes are rapidly rotating columns of air that extend from thunderstorms to the ground.
  • Rainbows are formed when sunlight is refracted, or bent, and then reflected inside water droplets.

10. The Ocean:

  • The ocean is home to the tallest mountain on Earth, Mauna Kea, if measured from its base on the ocean floor.
  • Coral reefs are underwater ecosystems built by tiny sea creatures called corals.
  • Oceans contain about 97% of the Earth’s water.