Question 1

It is the transfer of heat through circulation.

Accepted Answer

convection

Answer

conduction

Answer

conductor

Answer

radiation

Question 2

It is the transfer of heat from particles of solids.

Accepted Answer

conduction

Answer

radiation

Answer

circulation

Answer

convection

Question 3

A form of energy associated with the motion of particles.

Accepted Answer

heat

Answer

current

Answer

radiation

Answer

temperature

Question 4

Metals are an example of a good

Accepted Answer

conductor

Answer

convection

Answer

insulators

Answer

radiation

Question 5

Water ________ when heated and ________ when cooled.

Accepted Answer

rises; sinks

Answer

evaporate; stay

Answer

stay

Answer

sinks; rises

Question 6

Earth receives radiant energy from the sun through

Accepted Answer

radiation

Answer

circulation

Answer

evaporation

Answer

convection

Question 7

It is the main source of energy.

Accepted Answer

sun

Answer

radiation

Answer

electricity

Question 8

When light passes through a prism, it forms a band called

Accepted Answer

spectrum

Answer

refraction

Answer

reflectors

Answer

reflection

Question 9

It is the transfer of heat through empty spaces.

Accepted Answer

radiation

Answer

convection

Answer

conduction

Question 10

It is the bending of light as it passes through a material.

Accepted Answer

refraction

Answer

conduction

Answer

reflection

Answer

shadow

Question 11

It is bouncing back of light that strikes a clear surface.

Accepted Answer

reflection

Answer

convection

Answer

radiation

Answer

refraction

Question 12

A dark area formed when straight light rays are blocked.

Accepted Answer

shadow

Answer

reflection

Answer

opaque

Question 13

Light travels in a straight line when it passes through a single material.

Accepted Answer

true

Answer

false

Question 14

White light consists of ______ colors.

Accepted Answer

7

Answer

8

Answer

9

Answer

6

Question 15

It does not transmit light.

Accepted Answer

opaque

Answer

transparent

Answer

translucent

Question 16

Materials that transmit some light.

Accepted Answer

translucent

Answer

transparent

Answer

opaque

Question 17

Transmit all light that strikes their surface.

Accepted Answer

transparent

Answer

opaque

Answer

translucent

Question 18

A form of energy that makes all life processes possible.

Accepted Answer

light

Answer

heat

Answer

radiation

Answer

sun

Question 19

The greatest source of light energy is the ______.

Accepted Answer

sun

Answer

heat

Answer

radiation

Question 20

Light behaves differently when it strikes different surfaces.

Accepted Answer

true

Answer

false

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