Solar System

Astronomers would see planets moving in one direction across the sky and then they would start to move backwards and then forward again.  What was this observation called?

• ellispse
• retrograde motion
• eccentricity
• perihelion

Which planet has the smallest pull of gravity?

• Saturn
• Jupiter
• Neptune
• Mercury

Which planet has a large shield volcano on it?

• Venus
• Jupiter
• Mars
• Pluto

What is the core of Jupiter composed of?

• Plasma
• Iron
• Helium
• Liquid Metallic Hydrogen

What does the interstellar cloud form into next?

• Planetesimals
• Planets
• Solar Nebula
• The Sun

Why do we think Jupiter formed first?

• Because of its location
• Because of its spin
• Because of its size
• Because of its orbit

Why can habitable planets not be too close to the Sun?

• The radiation will destroy the plants
• It will cause the water to evaporate
• It will orbit the sun too quickly
• It will rotate on its axis too slowly

Which planet has the longest year?

• Mercury
• Earth
• Venus
• Mars

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

• gas
• metal
• water
• rock

The moon is a natural  ______ of Earth.

• comet
• axis
• satellite
• space probe

Tags

CCSS.RI.11-12.8

CCSS.RI.9-10.7

CCSS.RL.11-12.8

CCSS.RL.8.7

CCSS.RL.9-10.7