Sophia is conducting an experiment to learn which conditions are best for plant growth. Which of the following would NOT help Sophia collect data in her experiment?

• The height of the plant.

• The amount of water she will use.

• The length of light exposure.

• The hypothesis she will construct.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

Match the following

• Liquid

• Air

• Gas

• Sugar in tea

• Solid

• Salt on the table

Which of the following indicate a chemical reaction is occurring?

• Unknown A dissolves into Unknown B

• Unknown A creates fizzing and bubbles when combined with Unknown B

• Unknown A sinks to the bottom when added to Unknown B

• Unknown A floats to the top when added to Unknown B

Tags

NGSS.MS-PS1-2

Frank found a pile of wood near a campsite, and he believed it had been chemically changed. What property did Frank most likely observe to believe this?

• The surface of the wood felt wet

• The color of the wood was black

• The wood had been chewed

• The wood had been chopped

A change in ​size, ​ shape, and ​ (a)   is a ​ (b)   . A ​ (c)   can NOT be ​ (d)   because it results in a new ​ (e)   being formed.

• state of matter
• physical change
• chemical change
• reversed
• substance

Tags

NGSS.MS-PS1-4

Water freezing into ice is an example of a...

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Iron rusting is an example of a...

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Squeezing the juice out of an orange is an example of a...

• Physical Change

• Chemical Change

Milk going sour is an example of a...

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Gatorade powder dissolving in water is an example of a...

• Chemical Change

• Physical Change