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Understanding Heat Transfer and Matter

Total questions: 23

Worksheet time: 31mins

Name
Class
Date
1.

Which of the following is NOT a type of heat transfer?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

2.

In which state of matter do particles vibrate in fixed positions?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

3.

What happens to the particles of a substance when it is heated?

a)

They move slower

b)

They move faster

c)

They stop moving

d)

They become larger

4.

Which process describes the transition from Point D (liquid) to Point E (gas)?

a)

Freezing

b)

Condensation

c)

Evaporation

d)

Sublimation

5.

Which of the following is an example of conduction in everyday life?

a)

Boiling water in a pot

b)

Feeling the warmth of the sun

c)

Heating a room with a radiator

d)

Ice melting in your hand

6.

How does thermal energy travel through space?

a)

Conduction

b)

Convection

c)

Radiation

d)

Insulation

7.

What is the main cause of convection currents in the atmosphere?

a)

Differences in air pressure

b)

Differences in air temperature

c)

Differences in air density

d)

Differences in air humidity

8.

Which state of matter has a fix volume but no definite shape?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

9.

Which of the following is an example of radiation?

a)

A metal spoon getting hot in a cup of tea

b)

Warm air rising from a heater

c)

Sunlight warming your skin

d)

Water boiling in a pot

10.

Which of the following best describes the particle movement in a gas?

a)

Particles are tightly packed and vibrate in place

b)

Particles are close together but can move past each other

c)

Particles are far apart and move freely

d)

Particles are arranged in a regular pattern

11.

What is the primary method of heat transfer in liquids and gases?

a)

Conduction

b)

Convection

c)

Radiation

d)

Insulation

12.

What is the primary method of heat transfer in solids?

a)

Conduction

b)

Convection

c)

Radiation

d)

Insulation

13.

Which of the following processes involves heat transfer without the movement of the medium?

a)

Conduction

b)

Convection

c)

Radiation

d)

Evaporation

14.

Heat transfer by convection is caused by differences in what two things:

a)

Thickness and material

b)

Weight and electricity

c)

Temperature and density

15.
The cycle that powers the ocean currents, weather, and tectonic plates it called
a)
conduction current
b)
radiation
c)
condition current
d)
convection current
16.

Name the type of heat transfer shown in the picture.

a)

convection

b)

conduction

c)

radiation

17.

What does heat do when convection currents are moving?

a)

Sinks

b)

Rises

c)

Stays in place

18.

What happens to the density of a fluid as it is heated?

a)

It increases

b)

It decreases

c)

It remains the same

d)

It fluctuates

19.

Which of the following is an example of convection in nature?

a)

Sunlight warming the Earth

b)

Wind currents in the atmosphere

c)

Heat from a stove warming a pot

d)

Ice melting in a drink

20.

What is the effect of convection currents on tectonic plates?

a)

They cause the plates to sink

b)

They cause the plates to move

c)

They cause the plates to expand

d)

They cause the plates to contract

21.

Which of the following is an example of heat transfer through conduction?

a)

Sunlight warming the Earth

b)

Touching a hot iron

c)

Warm air rising from a heater

d)

Ocean currents

22.

What happens to the volume of a gas when it is heated at constant pressure?

a)

It increases

b)

It decreases

c)

It remains the same

d)

It fluctuates

23.

Which of the following best describes the particle movement in a liquid?

a)

Particles are tightly packed and vibrate in place

b)

Particles are close together but can move past each other

c)

Particles are far apart and move freely

d)

Particles are arranged in a regular pattern