Solar System and Gravity

What is gravity? 

• The force of attraction between 2 objects

• The measure of the amount of matter in an object

• How much matter is packed into a certain volume

What is the closest planet to the sun?

• Earth

• Mars

• Venus

• Mercury

What is the difference between a meteor?

• A meteor is a piece of rock in space

• A meteor is a space rock that touches the surface of Earth

• A meteor is a space rock that has entered Earths atmosphere by not yet touched the surface

What is the largest planet in our solar system?

• Venus

• Neptune

• Jupiter

• Saturn

What is inertia?

• An objects resistance to changes in speed or direction

• A force of attraction between two objects

• Asteroids that cross into Earth's orbit

What is a comet?

• A small body in space orbiting the sun between Mars and Jupiter

• A tiny object in space with no orbit that can be made of rock or metal

• A icy body in space with an elongated elliptical orbit from the Kuiper Belt or the Oort Cloud

The four planets closest to the sun (Mercury, Venus, Earth, Mars).  They are small and rocky

• Dwarf Planet

• Comet

• Gas Giant Planets

• Terrestrial Planets

The area beyond Mars made up of millions of chunks of rock and iron.

• Asteroid Belt

• Comet

• Celestial Body

• Kuiper Belt

The four planets farthest from the sun (Jupiter, Saturn, Uranus, Neptune).  They are large and made of gases.

• Celestial Body

• Comet

• Jovian Planets

• Terrestrial Planets

The distance light can travel in one year is ______________

• 15,000 kilometers

• 1 light-year

• 15 Astronomical Units

• 6,000 miles