Topic 3

Question 1

Energy

Answer 1

The ability to do work or cause a change.

Question 2

Motion

Answer 2

When an object’s position changes relative to another object.

Question 3

Force

Answer 3

A push or pull on an object.

Question 4

Work

Answer 4

An object’s change in motion in the same direction as the external force applied on it.

Question 5

Power

Answer 5

The amount of work done in a unit of time.

Question 6

Kinetic Energy

Answer 6

Energy of an object in motion.

Question 7

Potential Energy

Answer 7

Energy of the shape or position of an object.

Question 8

Gravitational Potential Energy

Answer 8

Energy of how high an object is above the ground.

Question 9

Elastic Potential Energy

Answer 9

Energy of an object that can be compressed or stretched.

Question 10

Mechanical Energy

Answer 10

Total potential and kinetic energy of an object.

Question 11

Nuclear Energy

Answer 11

Potential energy stored in the nucleus.

Question 12

Thermal Energy

Answer 12

The total potential and kinetic energy of the particles in an object.

Question 13

Chemical Energy

Answer 13

Potential energy stored in chemical bonds.

Question 14

Electrical Energy

Answer 14

Potential energy of electric charges.

Question 15

Electromagnetic Radiation

Answer 15

Kinetic energy that travels through space in waves.

Question 16

Medium

Answer 16

A substance that force acts upon.

Question 17

Fission

Answer 17

Nuclear reaction where energy is released when the nucleus splits apart.

Question 18

Fusion

Answer 18

Nuclear reaction where small nuclei combine to form a large nuclei.

Question 19

Law of Conservation of Energy

Answer 19

No energy is created or destroyed when energy transfers or transforms.

Question 20

Energy Transformation

Answer 20

One form of energy changes into another form of energy.

Question 21

Energy Transfer

Answer 21

Energy moves from one object to another object.