ScSt-12/3/24 -7th per -S8P1b

Which scenario would BEST explain the phase change shown in the picture?

• A pot of water boils and forms steam.

• Pond water freezes on a cold winter day.

• Water droplets form on grass on a cool morning.

• Snowman melts on a sunny day.

Tags

NGSS.MS-PS1-4

Everything that has mass and takes up space is ___.

• volume

• mass

• matter

• square

Which state of matter has the least energy? (pictures not in energy order)

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

Liquids and gases are similar because __________________________.

• they both take the shape of their container
• they both have their own shape
• liquids pour and gases don't
• liquids take the shape of the container but gases have their own shape

Gas particles have the ________ kinetic energy because they move the fastest.

• least
• most

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

How are plasma and gas different?

• Plasma has a definite shape, but gas does not.

• Gas is hotter than plasma.

• Electrons separate from atoms in plasma and plasma is hotter.

• Gas has a definite volume, but plasma does not.

What phase of matter is shown in the diagram?

• solid
• liquid
• gas
• physical changes

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following describes liquids?

• definite shape, definite volume

• no definite shape, definite volume

• no definite shape, no definite volume

• no definite shape, no definite volume, electrically charged

Tags

NGSS.MS-PS1-4

Which sentence is true?

• If ice is heated up a little, it will turn into a liquid, but if it is heated up even more, it will turn into a gas.
• If ice is heated up a little, it will turn into a gas, but if it is heated up even more, it will turn into a liquid.
• If ice is heated up a little, it will turn into a liquid, but if it is heated up even more, it will turn into a solid.
• If ice is heated up a little, it will turn into a solid, but if it is heated up even more, it will turn into a gas.

Tags

NGSS.MS-PS1-4

Which boxes contain Pure substances?

• Only box C

• Boxes C, F and I

• Boxes A, D and I

• Boxes A, C, D and I

• Boxes B, E, G, H