Science Forces

Question 1

What is mass?

Answer 1

• Mass is the measure of the amount of matter an object contains.
• The mass of an object will never change.
• Mass is measured in kilograms

Question 2

What is weight?

Answer 2

• Weight is the measure of how hard gravity pulls down an object.
• The weight of an object can change.
• Weight is equal to a force
• Weight is measured in newtons.

Question 3

What is a dependent variable?

Answer 3

A dependent variable is a variable that will never change and is the base of an experiment.

Question 4

What is an independent variable?

Answer 4

An independent variable is a variable that can be changed and that helps conclude the results of the experiment.

Question 5

Name all 3 non-contact forces:

Answer 5

• Magnetic force
• Electric force
• Gravitational force

Question 6

Name all 5 contact forces:

Answer 6

• applied force
• spring force
• drag force
• frictional force
• normal force

Question 7

What is Earth’s gravity?

Answer 7

9.8 m/s squared

Question 8

What is gravity measured in?

Answer 8

m/s squared

Question 9

What is force?

Answer 9

A push or a pull

Question 10

What is force measured in?

Answer 10

Newtons (N)

Question 11

What is work measured in?

Answer 11

Joules

Question 12

What is power measured in?

Answer 12

Watts

Question 13

What is mass measured in?

Answer 13

Kilograms

Question 14

What is distance measured in?

Answer 14

Meters

Question 15

What is time measured in?

Answer 15

Seconds

Question 16

What does homogenous mean?

Answer 16

The same

Question 17

What does heterogeneous mean?

Answer 17

Different

Question 18

A force is measured using a…

Answer 18

Spring balance