Unit 01 Matter

According to the Property Chart above, the texture of the envelope could be classified as —

• soft

• rough

• smooth

Tags

NGSS.2-PS1-1

Students compared the flexibility of these items.

Which item is most flexible?

• Marble

• Block

• String

Tags

NGSS.2-PS1-1

NGSS.2-PS1-2

The outer covering of the balls shown above would be classified as a —

• solid

• liquid

• gas

Which thermometer shows the hottest temperature?

• Thermometer A

• Thermometer B

• Thermometer C

• Thermometer D

Students were asked to classify the objects on a game. Which chart shows objects classified correctly?

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• 
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Tags

NGSS.2-PS1-1

Which picture shows how ice physically changes during melting?

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• 
• 

Tags

NGSS.MS-PS1-4

The chocolate in this illustration begins to change from a solid to a liquid state of matter. Why is this happening?

• The chocolate melts on the stove because of heat.

• The chocolate melts in the freezer because it's cold.

• The chocolate melts in a bowl of water because of the liquid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A class listed the properties of a marble.

Which other statement could go on the list?

• It is flexible.

• It feels rough and bumpy.

• It feels smooth.

Tags

NGSS.2-PS1-1

How were the physical properties of the apple in the picture changed?

• The apple was changed by cutting.

• The apple was changed by melting.

• The apple was changed by folding.

A student changes the physical properties of a piece of paper without any tools. The new shape of the paper is seen below.

How did the student change the properties of the paper?

• Melting

• Cutting

• Folding