Changing States

Which of these is NOT a gas.

• Air
• The sea
• Carbon dioxide

You blow up a balloon. Is it heavier or lighter than the uninflated balloon?

• Heavier
• Lighter
• The same

To change a solid to a liquid you...

• Heat it
• Cool it
• Bend it

Tags

NGSS.MS-PS1-4

Which of these best describes a solid?

• My particles are packed tightly together. I keep my shape.
• My particles are loosely packed. I take the shape of my container.
• My particles have lots of room. I try to spread out in every direction.

Which of these best describes a liquid?

• My particles have lots of room. I try to spread out in every direction.
• My particles are packed tightly together. I keep my shape.
•  My particles are loosely packed. I take the shape of my container.

Which of these best describes a gas?

• My particles are packed tightly together. I keep my shape.
• My particles are loosely packed. I take the shape of my container.
•  My particles have lots of room. I try to spread out in every direction.

Tags

NGSS.MS-PS1-4

Once a solid is turned in to a liquid, can it ever be turned back in to a solid?

• Yes
• No

Tags

NGSS.MS-PS1-4

A gas changes in to a liquid when it is...

• Heated
• Cooled
• Boiled

Tags

NGSS.MS-PS1-4

What is evaporation?

• When a solid becomes a liquid?
• When a liquid becomes a gas?
• When a gas becomes a solid?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The movement of water around the world is called...

• The water cycle.
• Condensation.
• Evaporation.

Tags

NGSS.MS-ESS2-4