Revision Chapter 2

Which state of matter has a fixed shape and volume?

• Solid

• Gas

• Plasma

• Liquid

What is matter made of?

• Tiny particles

• Colour and texture

• Atoms and light

• Sound and waves

Which state of matter flows and has a fixed volume?

• Ice

• Gas

• Solid

• Liquid

In a gas, how are the particles arranged?

• Far apart and moving freely

• Locked in place

• Tightly packed and vibrating

• Close but able to slide past

What best describes particle movement in a solid?

• Move freely in all directions

• Slide over each other

• Vibrate in fixed positions

• Stay completely still

Why do gases have no fixed volume?

• Gases are too cold

• Particles are closely packed

• Particles are too small

• Particles can be compressed or expand

What causes solids to have a definite shape?

• Strong attractive forces between closely packed particles

• Weak forces between particles

• Particles that move freely

• Gaps between atoms

Which of the following is a property of liquids but not of solids?

• Vibrating particles

• Fixed shape

• Fixed volume

• Ability to flow

What do we call it when a solid turns into a liquid?

• Melting

• Evaporation

• Freezing

• Condensation

At what temperature does water boil?

• 100°C

• 50°C

• 0°C

• 120°C