Phase Change @Home Lesson 1

Phase Change @Home Lesson 1

Multiple Choice

What was different about the water in the 3 cups in your warm-up?

• 1: ice, 2: liquid, 3: gas/vapor

• They are all in the same phase

• They are all the same temperature

Multiple Choice

What is the only planet where water is found in all 3 phases?

• Titan

• Earth

• Mars

• Venus

Multiple Choice

What substance on Titan will we focus on during this Unit?

• water

• hydrogen dioxide

• methane

Poll

What do you think happened to the lake?

• it froze!

• it evaporated!

Multiple Choice

What is a noticeably different form or state of the same substance?

• potato

• phase

• photo

Poll

How do you think matter can change from 1 phase to the other?

• melting

• freezing

• evaporation

• condensation

Multiple Choice

A _____ holds its shape and does not take the shape of its container.

• solid

• liquid

• gas

Multiple Choice

A _____ has no visible shape and fills its container.

• solid

• liquid

• gas

Multiple Choice

A _____ flows and can take the shape of

its container.

• solid

• liquid

• gas

Question on the next slide!

Multiple Choice

What's found on Titan (and Earth) that is not usually found in the rest of the solar system?

• lava and rocks

• lakes and seas

• lazy seals

Question next!

Multiple Choice

What tar-like substance fills the lakes and seas of Titan?

• methane and ethane

• oxygen and carbon

• magma and earthquakes

Multiple Choice

Titan is so close to the sun that it is always HOT.

• False! It is very COLD!

• True! It is extremely hot.