Understanding States of Matter

What is the main question posed about the different forms of water?

• Why do they have different temperatures?

• What makes them taste different?

• How can they be made of the same substance?

• Why do they have different colors?

What is the term used for the process where a solid directly converts to gas?

• Evaporation

• Freezing

• Condensation

• Sublimation

How are particles arranged in a solid state?

• Tightly packed and fixed in place

• Arranged in a random pattern

• Spread out and moving rapidly

• Loosely packed and moving freely

Which state of matter has particles that are spread out and move freely?

• Liquid

• Solid

• Gas

• Plasma

What happens to particles when heat is applied to a solid?

• They stop moving

• They move closer together

• They gain energy and vibrate more

• They lose energy and slow down

What is the key factor that allows matter to change from one state to another?

• Temperature

• Volume

• Color

• Pressure

At what temperature does ice melt into water?

• 0°C

• -6°C

• 100°C

• 50°C

What is the boiling point of water?

• 100°C

• 50°C

• 150°C

• 0°C

What is the process called when liquid water turns into steam?

• Freezing

• Sublimation

• Boiling

• Condensation

What happens to water particles at 100°C?

• They freeze

• They condense

• They evaporate

• They melt