Solar System Unit Review

How is Earth different from all the other planets in our solar system?

• It is the only planet with its own moon.

• It has storms in the atmosphere.

• It has liquid water that allows plants and animals to live.

• It is close enough to the sun to get heat energy.

Which best describes the terrestrial planets?

• Large, planetary rings

• Small, dense, rocky

• Rocky cores, close to sun, surface craters

• Made of helium and hydrogen

Earth and the other planets closest to the Sun are made mostly of _______

• gas
• metal
• water
• rock

Planets that are closer to the sun

• take more time to orbit
• take less time to orbit

Which is the correct order of the planets?

• Mercury, Venus, Mars, Earth, Saturn, Jupiter, Neptune, Uranus

• Mercury, Venus, Earth, Mars, Jupiter, Uranus, Saturn, Neptune

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Nepture

• Mercury, Venus, Earth, Jupiter, Saturn, Mars, Uranus, Neptune

A force of attraction between any two objects is called _____________.

• static electricity 
• rotation
• gravity
• orbit

Which question can a telescope in space be used to answer?

• How do rockets move in space?

• How can the moon reflect light?

• How do astronauts breathe in space?

• How can the surface of the sun be described?

What force keeps the planets in their continuous orbits around the sun?

• Rotation

• Gravity

• Revolution

• Magnetism

How does mass affect the gravitational pull of an object?

• Greater Mass increases pull

• No effect

• Greater Mass equals less gravity

Why does Neptune take the longest out of the eight plants to orbit the sun?

• Its the largest

• Its the bluest

• Its the farthest away