Bill Nye: Phases of Matter

What are the three phases of matter mentioned in the video?

• Solid, liquid, gas

• Solid, steam, ice

• Liquid, vapor, smoke

• Solid, liquid, plasma

What happens to the atoms in solid steel compared to liquid steel?

• They move faster in solid steel

• They move slower in solid steel

• They do not move at all

• They move faster in liquid steel

What are the three phases of matter?

• Solid, Liquid, Gas

• Hot, Cold, Warm

• Big, Small, Medium

• Fast, Slow, Still

What is needed to change a liquid into a solid?

• Add more energy

• Remove energy

• Heat it up

• Mix it with gas

What does the freezer do with heat?

• It adds heat to the food

• It pumps heat into the room

• It removes heat from the food

• It stores heat inside

What is liquid nitrogen's temperature mentioned in the video?

• 0 degrees Celsius

• -196 degrees Celsius

• -100 degrees Celsius

• 100 degrees Celsius

What happens to the molecules of a gas as heat is added?

• They move closer together

• They move faster and farther apart

• They stop moving

• They freeze

What is needed to change a solid into a liquid?

• Sunlight

• Air

• Water

• Energy

Why can't we reach absolute zero?

• Because it's too expensive

• Because it's too hot

• Because heat always finds a way in

• Because it's too far away

What happens to sugar water when it cools down in a jar?

• It becomes rock candy

• It becomes salty

• It turns into a gas

• It disappears