Question 1

What is the definition of matter?

Accepted Answer

Matter is anything that has mass and takes up space.

Answer

Matter is something that can only be seen.

Answer

Matter has no volume.

Answer

Matter is only solid substances.

Question 2

What is an atom?

Accepted Answer

An atom is a small particle that is the building block of matter.

Answer

Atoms are only found in solids.

Answer

An atom is a large molecule.

Answer

An atom has no mass.

Question 3

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

Accepted Answer

Liquid

Answer

Gas

Answer

Solid

Answer

Plasma

Question 4

How do particles move in solids?

Accepted Answer

Particles in solids vibrate back and forth but do not move freely.

Answer

Particles in solids flow freely.

Answer

Particles in solids move quickly and spread apart.

Answer

Particles in solids are not in motion.

Question 5

What happens to the kinetic energy of particles when a solid starts to heat up?

Accepted Answer

The kinetic energy of particles increases, causing them to vibrate more rapidly.

Answer

The particles stop moving.

Answer

The kinetic energy decreases.

Answer

The kinetic energy remains the same.

Question 6

What is the primary difference between gases and liquids in terms of particle arrangement?

Accepted Answer

Gases have particles that are spread far apart, while liquids have particles that are closer together.

Answer

Gases have a definite volume, while liquids do not.

Answer

Gases have no mass, but liquids do.

Answer

Particles in liquids are fixed in place.

Question 7

What characteristic allows liquids to flow?

Accepted Answer

The attractive forces between particles in liquids are weaker than those in solids.

Answer

The attractive forces in liquids are stronger.

Answer

Liquids are always in motion.

Answer

Liquids have no volume.

Question 8

In what way does the volume of gases differ from that of solids and liquids?

Accepted Answer

Gases have no definite volume and can expand to fill their container.

Answer

Gases always take on a spherical shape.

Answer

Gases have a fixed volume.

Answer

Gases cannot be measured.

Question 9

What effect do increased particle motion and kinetic energy have on states of matter?

Accepted Answer

Increased motion and kinetic energy can lead to phase changes between states of matter.

Answer

They make solids more solid.

Answer

They do not affect the state of matter.

Answer

They cause matter to lose mass.

Question 10

What is the relationship between mass and volume in gases when their volume changes?

Accepted Answer

The mass of the gas remains the same even if its volume changes.

Answer

The mass of gas changes depending on its container.

Answer

The mass increases when volume decreases.

Answer

The volume can only decrease, not increase.

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