Question 1

What is the definition of matter?

Accepted Answer

Matter is everything that has weight and takes up space.

Answer

Matter is everything that is visible.

Answer

Matter is only liquids and gases.

Answer

Matter is only solid objects.

Question 2

Which state of matter takes the shape of its container?

Accepted Answer

Liquid

Answer

Solid

Answer

Gas

Answer

None of the above

Question 3

What does 'compressibility' refer to?

Accepted Answer

Compressibility refers to how much a substance can be squished or compressed.

Answer

A measure of temperature

Answer

A measure of volume

Answer

A measure of buoyancy

Question 4

What is density?

Accepted Answer

Density is how tightly packed the particles in a substance are.

Answer

The volume of an object

Answer

The shape of an object

Answer

The weight of an object

Question 5

What happens to the particles in a solid?

Accepted Answer

Particles in a solid are closely packed and vibrate in place.

Answer

Particles move freely

Answer

Particles are far apart

Answer

Particles are in a gas state

Question 6

Which of the following is a characteristic of gases?

Accepted Answer

Gases have no fixed shape and can fill the volume of their container.

Answer

Gases are incompressible

Answer

Gases have a fixed volume

Answer

Gases are rigid

Question 7

What is buoyancy?

Accepted Answer

Buoyancy is the ability of an object to float in a fluid.

Answer

The amount of mass in an object

Answer

The force that pulls objects down

Answer

The density of an object

Question 8

How does a hydraulic system function?

Accepted Answer

A hydraulic system uses incompressible liquids to transmit force.

Answer

It uses compressible gases.

Answer

It uses electrical energy.

Answer

It uses solid materials.

Question 9

What role does temperature play in the movement of particles?

Accepted Answer

Temperature affects the speed at which particles move.

Answer

Temperature changes mass

Answer

Temperature has no effect

Answer

Temperature decreases density

Question 10

What do fish use to control their buoyancy?

Accepted Answer

Swim bladder

Answer

Gills

Answer

Fins

Answer

Scales

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