Science Test Chap. 7 4th grade

To spin around is to...

Chunks of rock or metal that orbit the sun.

A hollow area, or pit, in the ground is called...

Chunks of ice and other material that move in long, narrow orbits.

To move around an object.

A hot sphere of gases that gives off energy.

The path a revolving objects moves along.

A pattern or picture outlined by stars.

A real or imaginary line that a spinning object turns around.

A satellite of the sun.

The cycle of day and night is caused by...

Earth's trip around the sun takes how long?

What causes Earth's seasons?

What is the name of the phase of the moon when it is between the sun and the Earth?

True or false?  Earth is the closest planet to the sun.

True or false?  Jupiter is the fifth planet from the sun.

True or false?  Mercury is the fourth planet from the Sun.

True or false?  Venus is the third planet from the sun.

What characteristics do the inner planets share?

Which two planets are the largest in the solar system?

How does the distance from the sun effect the length of the planet's year?

Why does the moon have very hot days and freezing cold nights?

When the astronauts walked on the moon they left foot prints that will remain on the moon's surface for a very long time, why?

What keeps the solar system in orbit?

All of the outer planets with the exception of Pluto are...

The sun is...