Quiz about Science Revision Grade 6

Question 1

1.

Accepted Answer

b

Answer

a

Answer

c

Answer

d

Question 2

Question 2.

Accepted Answer

c

Answer

a

Answer

b

Answer

d

Question 3

Question 3.

Accepted Answer

Natalie

Answer

Gwyneth

Answer

George

Answer

Hoda

Answer

William

Question 4

Question 4.

Accepted Answer

b

Answer

a

Answer

c

Answer

d

Question 5

Question 5.

Accepted Answer

b

Answer

a

Answer

c

Answer

d

Question 6

Question 6.

Accepted Answer

blue

Answer

red

Answer

yellow

Answer

green

Question 7

Question 7.

Accepted Answer

c

Answer

a

Answer

b

Answer

d

Question 8

Question 8.

Accepted Answer

c

Answer

a

Answer

b

Answer

d

Question 9

Question 9.

Accepted Answer

b

Answer

a

Answer

c

Answer

d

Question 10

Question 10.

Accepted Answer

c

Answer

a

Answer

b

Answer

d

Question 11

Question 11.

Accepted Answer

d

Answer

a

Answer

b

Answer

c

Question 12

Question 12.

Accepted Answer

b

Answer

a

Answer

c

Answer

d

Question 13

heat transfer by conduction through direct contact

Accepted Answer

true

Answer

false

Question 14

heat transfer by convection in liquids and gases

Accepted Answer

true

Answer

false

Question 15

More mass more thermal energy

Accepted Answer

true

Answer

false

Question 16

less mass, less number of particles, more thermal energy

Accepted Answer

false

Answer

true

Question 17

thermal energy increases when matter changes from liquid to solid

Accepted Answer

false

Answer

true

Question 18

Melting point is the same as freezing point of a matter

Accepted Answer

true

Answer

false

Question 19

the change of matter from solid to liquid is

Accepted Answer

melting

Answer

evaporation

Answer

condensation

Answer

freezing

Question 20

the change of matter from gas to liquid is

Accepted Answer

condensation

Answer

evaporation

Answer

melting

Answer

freezing

Question 21

heat transfer by radiation does not require a medium

Accepted Answer

true

Answer

false

Question 22

the boiling point is the same as the condensation point of a matter

Accepted Answer

true

Answer

false

Question 23

What does temperature measure in a substance?

Accepted Answer

The average kinetic energy of the particles

Answer

The color of the particles

Answer

The average speed of sound in the particles

Answer

The total number of particles

Question 24

How does a thermometer work as the temperature increases?

Accepted Answer

The liquid inside expands

Answer

The liquid inside contracts

Answer

The thermometer changes color

Answer

The thermometer makes a sound

Question 25

Which of the following is NOT a correct statement about temperature?

Accepted Answer

Temperature is the same thing as heat

Answer

Temperature is a measure of the average kinetic energy of particles

Answer

Temperature can be measured using a thermometer

Answer

Temperature increases when the kinetic energy of particles increases

Question 26

How do particles behave in a solid state?

Accepted Answer

Particles vibrate in place and are close together

Answer

Particles move freely and have no attraction

Answer

Particles move slightly apart and slide over each other

Answer

Particles break apart and form new substances

Question 27

Why do liquids have a definite volume but no definite shape?

Accepted Answer

Particles move faster and slide over each other, staying together

Answer

Particles are tightly packed and do not move

Answer

Particles move faster and are farther apart

Question 28

What happens to the particles in a gas state?

Accepted Answer

They move faster and farther apart with weak attraction forces

Answer

They vibrate in place and stay close

Answer

They move faster and stay tightly packed

Answer

They slide over each other and maintain a definite volume

Question 29

Which statement is true about the attractive forces in liquids compared to solids?

Accepted Answer

Attractive forces in liquids are weaker than in solids

Answer

Attractive forces in liquids are stronger than in solids

Answer

Attractive forces are the same in both states

Answer

There are no attractive forces in liquids

Question 30

What happens to the particles of a solid when it is heated and begins to melt?

Accepted Answer

The particles gain energy and move faster.

Answer

The particles move slower and lose energy.

Answer

The particles stop moving completely.

Answer

The particles shrink in size.

Question 31

Which term describes the energy needed to change a solid into a liquid?

Accepted Answer

Thermal energy

Answer

Kinetic energy

Answer

Chemical energy

Answer

Potential energy

Question 32

3. What remains constant at the melting point of a substance while it changes state?

Accepted Answer

Temperature

Answer

Particle speed

Answer

Density

Answer

Volume

Question 33

When a liquid freezes, what happens to the thermal energy?

Accepted Answer

It is released by the substance.

Answer

It is absorbed by the substance.

Answer

It remains unchanged.

Answer

It is converted into chemical energy

Question 34

Why do the melting point and freezing point of a substance occur at the same temperature?

Accepted Answer

Because the energy required to melt is the same as the energy released when freezing.

Answer

Because the energy released is different from the energy absorbed.

Answer

Because the particle motion is different in both processes.

Answer

Because they have different thermal properties.

Question 35

When particles move from areas of high concentration to areas of low concentration, what is this process called?

Accepted Answer

Diffusion

Answer

Osmosis

Answer

Filtration

Answer

Combustion

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