P.5.5A Review

A student has two keys that are the same size and shape. One is made of plastic, and the other is made of copper. The copper key sinks in a bowl of water. Under which condition will the plastic key sink in water?

• If the plastic key is dropped into the water from a higher height than the copper key

• If the plastic key is dyed to be a darker color than the copper key.

• If the plastic key has the same or colder temperature than the copper key.

• If the plastic key has the same or greater mass than the copper key.

A student fills two cups with equal amounts of water at 50 degrees celsius and places one cup of water on a metal tray and the other cup on a wooden tray. Which tray will feel warmer over time, and why?

• The metal tray will feel warmer than the wooden tray because it is a better insulator.

• The metal tray will feel warmer than the wooden tray because it is a better conductor.

• The wooden tray will feel warmer than the metal tray because it is a better insulator.

• The wooden tray will feel warmer than the metal tray because it is a better conductor.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Choose all of the compounds.

• 
• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

A student makes a partial circuit by connecting a battery with a light bulb using wires. The student then completes the circuit using different materials to check if the light bulb glows, as shown in the setup and table. Which material can be classified as an electrical conductor?

• iron paper clip

• plastic spoon

• rubber band

• strand of wool

Tags

NGSS.5-PS1-3

You can create a new atom by combining atoms.

• True

• False

Match the following

• solid

• indefinite shape and definite volume

• liquid

• indefinite shape and indefinite volume

• gas

• definite shape and definite volume

Tags

NGSS.MS-PS1-4

Organize these options into the right categories

Groups:

(a) Conductors

,

(b) Insulators

• aluminum

• copper

• glass

• wood

• metal

• plastic

• rubber

• iron

Tags

NGSS.MS-PS1-3

Types of energy such as heat, electricity, and light are not made of matter.

• True

• False