Unit 3 Tides , Energy Stores , Dissipated Energy Etc

Question 1

Explain how the moon causes high tide?

Answer 1

The moons gravity pulls on the Earth’s water which pulls the water out causing high tide.

Question 2

What do we measure the force of gravity in ?

Answer 2

Newtons

Question 3

What word do we use to describe the quantity of matter in an object.

Answer 3

Mass

Question 4

Explain why the sun has more gravity than any of the planets?

Answer 4

This is because the sun has a large mass so it has a larger gravitational pull

Question 5

Which arrows will show weight and which arrows will show contact force ?

Answer 5

Question 6

The moon causes a tidal _________ on the earth?

Answer 6

Force

Question 7

What is Dissipated Energy?

Answer 7

Energy that dissapears into the atmosphere and can’t be restored.

Question 8

What is one difference between weight and mass when compared at different places ?

Answer 8

Weight can change depending on the gravitational pull but may stays the same.