Changing States of Matter (no deposition)

What is boiling?

• The process of a solid turning into a liquid

• The process of a liquid turning into a gas at a higher temperature

• The process of a gas turning into a liquid

• The process of a liquid turning into a solid

At what temperature does milk boil?

• 78 °C

• 100 °C

• 95 °C

• 50 °C

At what temperature does hand sanitizer boil?

• 78 °C

• 95 °C

• 100 °C

• 50 °C

Do different liquids boil at the same temperature?

• Yes

• No

• Sometimes

• Only in winter

What is steam made of?

• Water vapor and small droplets of water

• Only water vapor

• Only small droplets of water

• Air and water vapor

At what temperature does water usually boil?

• 70°C

• 100°C

• 158°F

• 212°F

What happens to the boiling point of water at higher altitudes (like the top of a mountain or above clouds)?

• It gets higher

• It stays the same

• It gets lower

• It disappears

What is the boiling point of water on top of Mount Everest?

• 100°C

• 70°C

• 212°C

• 212°F

What is condensation?

• When a liquid turns into a gas

• When a gas turns into a liquid

• When a solid turns into a gas

• When a liquid turns into a solid

When does condensation happen?

• When cold air hits a warm surface

• When warm air hits a cold surface

• When warm air hits a warm surface

• When cold air hits a cold surface