AQA 5.2.2.1 States of matter

What is the process called when a solid turns into a gas?

• Freezing
• Condensing
• Boiling
• Melting

What is the purpose of putting energy in to convert a solid into a liquid?

• To increase the temperature of the substance
• To increase the kinetic energy of the particles
• To change the pressure applied to the substance
• To break the forces of attraction between the particles

What is needed to convert a solid into a liquid?

• Heat
• Light
• Energy
• Pressure

What is the process called when a liquid turns into a gas?

• Condensing
• Freezing
• Boiling
• Melting

What is the process called when a solid turns into a liquid?

• Condensing
• Melting
• Freezing
• Boiling

What is the shape of liquids?

• They have a fixed shape
• They take the shape of their container
• They are extremely hard to compress
• They spread out and fill the space of their container

What is the process called when a gas turns into a liquid?

• Boiling
• Condensing
• Freezing
• Melting

What is the process called when a liquid turns into a solid?

• Boiling
• Condensing
• Freezing
• Melting

What substance is shown in the image?

• Sodium chloride
• Iron
• Copper
• Water

Why are solids extremely hard to compress?

• Because the particles in a solid are packed together in a regular pattern
• Because the particles in a solid move quickly and randomly
• Because the particles in a solid are widely spaced
• Because the particles in a solid can move from place to place