Science L2 4th Qrt

Question 1

What gives light and heat?

Answer 1

The Sun

Question 2

What are forms of energy that are necessary for life?

Answer 2

Light and heat

Question 3

What is the visible form of energy?

Answer 3

Light

Question 4

What are also forms of radiant energy?

Answer 4

X-rays

Question 5

They also travel as waves, but unlike light, they are invisible. What is this?

Answer 5

X-rays

Question 6

What is part of the electromagnetic spectrum?

Answer 6

Light

Question 7

What is made up of all forms of radiant energy?

Answer 7

Electromagnetic spectrum

Question 8

What is a form of energy?

Answer 8

Heat

Question 9

You cannot see this energy, but you can see how it affects matter.

Answer 9

Heat

Question 10

What are some types of materials in which heat moves quickly through?

Answer 10

Conductors

Question 11

What is an example of a good conductor?

Answer 11

Metal

Question 12

What is a material that does not allow heat to travel through it easily?

Answer 12

Insulator

Question 13

What are examples of insulators?

Answer 13

Cotton, paper, and wood

Question 14

What is the most useful form of energy?

Answer 14

Electrical energy

Question 15

What is a form of energy that exists when matter vibrates?

Answer 15

Sound

Question 16

What is the back-and-forth motion of an object?

Answer 16

Vibration

Question 17

What is the only form of energy that can be heard?

Answer 17

Sound energy

Question 18

What travels in the form of waves?

Answer 18

Sound

Question 19

What is the energy connected with motion called?

Answer 19

Mechanical energy

Question 20

What is therefore dependent on speed?

Answer 20

Mechanical energy

Question 21

What is also dependent on height?

Answer 21

Mechanical energy

Question 22

What is the energy that binds atoms or ions together?

Answer 22

Chemical energy

Question 23

During this process, stored ________ ______ is released.

Answer 23

Chemical energy

Question 24

What holds atoms together?

Answer 24

Chemical bonds

Question 25

What are formed when atoms are attracted to other atoms?

Answer 25

Chemical bonds

Question 26

________ ______ is stored in chemical bonds.

Answer 26

Chemical energy

Question 27

What needs chemical energy?

Answer 27

Automobile engines

Question 28

What is the production of food through light energy that occurs in a process?

Answer 28

Photosynthesis

Question 29

What is an example of an energy transformation?

Answer 29

Burning fossil fuels transforms chemical energy into heat.