Properties of the Sun, Earth & Moon

Focus Question:

How are the Sun, Moon, and Earth alike and different?

New Vocabulary

  • Planets - bodies, natural satellites, that orbit the sun
  • Earth - third planet from the Sun in the solar system
  • Sun - name for the central star in the solar system
  • Star - an object in the sky that makes its own light
  • Ellipse - an oval-shaped curve that is like a circle stretched out in opposite directions
  • Satellite - an object that orbits another object in space


  • largest object in our solar system
  • produces heat energy
  • sunspots - cooler areas on the Sun's surface
  • we cannot survive without it
  • it is a star that planets orbit
  • planets revolve around it
  • surface is made of gas (hydrogen & helium)
  • 5,500 °C
  • Explosions - Solar Flares
  • Solar Flares produce a lot of energy (can affect radio signals and other types of communication)


  • 3/4 water, 1/4 land
  • only planet that supports life
  • rocky planet
  • inner planet
  • 3rd planet from the Sun
  • 93 million miles away from the Sun
  • atmosphere of gases surround Earth (nitrogen and oxygen)
  • Earth's orbit is an ellipse
  • average temperature is 15°C


  • many craters
  • less gravity than Earth
  • reflects the Sun's light
  • seen best at night
  • natural satellite that orbits Earth
  • rocky, dusty surface
  • no water or wind
  • no atmosphere
  • footprints of astronauts who walked on its surface are still there


Use the links provided, and your notes in your science journal, to complete the 3-circle Venn Diagram about the Sun, Earth, and Moon.

Our Solar System


Click on the link below to complete the exit slip about the Sun, Earth, and Moon.