Unit 3: Gravity

Question 0

What are the two factors that affect gravity?

Answer 0

Mass and distance

Question 1

What is the law of universal graviton?

Answer 1

The force of gravity acts between all objects in the universe that have mass

Question 2

Explain the difference between mass and weight.

Answer 2

Mass- matter in a object Weight-force of gravity on a object

Question 3

Inertia

Answer 3

The tendency of an object to resist a change in motion

Question 4

What does inertia depend on?

Answer 4

Mass

Question 5

What are earths two main motions called?

Answer 5

Rotation and Revolution

Question 6

What is rotation?

Answer 6

Spinning of earth on its axis

Question 7

How long does it take for earth to make one rotation?

Answer 7

24 hours

Question 8

How does the moon cause a high tide?

Answer 8

One high tide- on the side of earth that faces the moon Second high tide- on the opposite side of earth

Question 9

Which of earths two basic types of motion affect the tide cycle?

Answer 9

Rotation and revolution

Question 10

What is neap tide?

Answer 10

A tide with the least difference between consecutive low and high tides

Question 11

What is a spring tide?

Answer 11

A tide with the greatest difference between consecutive low and high tides