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4.2A Production of Heat

Total questions: 8

Worksheet time: 22mins

Name
Class
Date
1.

Heat always flows from a __________________ to a cooler object.

a)

warmer

b)

cooler

c)

violet

d)

yellow

2.

A material that does not transfer thermal energy well is called a(n) ______________ .

a)

insulator

b)

conductor

c)

reflector

d)

radiator

3.

A material that does transfer thermal energy well is called a(n) ______________ .

a)

insulator

b)

conductor

c)

reflector

d)

radiator

4.

What type of thermal energy do we receive from the sun?

a)

conduction

b)

convection

c)

radiation

5.

The transfer of thermal energy by the movement of liquids or gasses is called _____________.

a)
conduction
b)
convection
c)
radiation
6.

The transfer of energy by electromagnetic waves through places with or without matter is called ____________.

a)

conduction

b)

convection

c)

radiation

7.

The transfer of thermal energy between two objects that are touching is called _____________.

a)
conduction
b)
convection
c)
radiation
8.

Thermal energy is also known as ___________.

a)

heat

b)

wood

c)

ice

d)

water