PMA 2 Review

Which wave in the diagram has the greatest frequency?

• 1
• 2
• 3
• 4

What happens when ice cubes melt in a glass?

• Heat travels from the ice to the warmer water.
• No energy is transferred.
• Heat is transferred from the warmer water to the ice cubes.
• The water warms up due to the humidity

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

An aluminum plate and a plastic plate have been in the freezer all night long.  When you remove them the next morning, 

• the plates have the same temperature.
• the plastic plate has a higher temperature.
• the plastic plate has a lower temperature.
• the aluminum plate has a lower temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to particles as they heat up?

• They slow down
• Nothing
• They don't move
• They speed up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A copper penny turning greenish after a few years is an example of ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT an example of chemical change?

• sour milk
• burning wood
• breaking a pencil
• rust

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• sour milk

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Ripping up paper ...

• Chemical Change
• Physical Change