Earth, Moon, and Sun

All objects are attracted to each other by the force of 

• weight 
• inertia
• mass
• gravity

One complete revolution of Earth around the sun takes how long?

• 1 day
• 365.25 days
• 24 hours
• 29.5 days

In the Northern hemisphere, the summer solstice occurs in 

• March
• June
• September
• December

Earth has seasons because

• it has an axis
• the sun gets closer and farther from the sun
• axis is tilted as it moves around the sun
• the sun gets hotter

In the Southern Hemisphere, the summer solstice is in 

• March
• June
• September
• December

Two factors that affect gravity are

• distance and mass
• mass and weight
• distance and weight
• weight and speed

A pattern or grouping of stars that represent objects or people are called

• star chart
• constellation
• seasons
• mythology

The tendency of a moving object to continue moving in a straight line or stay at rest is called

• orbital speed
• inertia
• gravity 
• mass

A cold mixture of ice and dust that gives a long trail as it gets closer to the sun is a 

• meteor 
• meteorite
• asteroid
• comet

The phase of the moon you see depends on

• where you are on Earth's surface
• how much of the sunlit side of the moon faces Earth
• if the moon is making its own light
• whether or not an eclipse is occurring.