STUDY REVIEW 4 SCIENCE

VOCABUALRY

100

consists of 8 planets orbiting around the sun

What is a solar system

200

orbits the sun, massive enough to be round due to gravity; and cleared its orbit of other objects

What is a planet

300

the path that a body follows as it travels around another body in space

what is orbit

400

consists millions of pieces of rocks and ice, some are huge others are small as a piece of dust

what is asteroid belt

500

one of the coldest places in space, home to the "icy" celestial bodies; beyond Neptunes orbit

what is a kuiper belt

Solar System

100

What is the sun?

A. Star

B. Light

C. Planet

what is A

200

Which planet is known as the red planet?

A.Earth

B.Uranus

C.Mars

what is C

300

The measure of how far an object's orbit is from being circular is its orbit?

True or False

what is false

400

Planets orbit the sun in a perfect circle?

A. Yes

B. No

what is No

500

What is the 3rd planet from the sun?

A. Mars

B. Earth

C. Pluto

what is B

Gravity

100

As the mass increases, the Force of Gravity _______. This is a _________ relationship.

What is increases, direct

200

The force of gravity only acts in one direction. True or False?

What is false?

300

These are the two variables that affect the force of gravity.

What is mass and distance

400

Provide an example of how weight and mass are different. Explain your answer.

If you went to the moon, your mass wouldn't change, but your weight would. Weight depends on gravity, and since the moon is a smaller mass than Earth, it has less gravity. You would weigh less on the moon, but your mass (number of atoms) would be the same.

500

What is gravity?

what is a force