HMH Unit 4 Test

Match the following vocabulary terms to their definitions:

• The amount of space something takes up

• Matter

• The amount of matter something has

• Mass

• How warm something is

• Temperature

• Anything that takes up space

• Volume

Tags

NGSS.MS-PS1-5

NGSS.MS-PS3-4

A ​ (a)   is matter that takes up a definite amount of space .

• solid

• liquid

• gas

Answer explanation

A solid is a state of matter that has a definite shape and takes up a definite amount of space. Unlike liquids and gases, solids maintain their shape and volume, making 'solid' the correct answer.

Tags

NGSS.MS-PS1-4

A ​ (a)   is matter that takes up a definite amount of space but not a definite shape

• solid

• liquid

• gas

Answer explanation

A liquid is matter that has a definite volume but takes the shape of its container, unlike solids which have a definite shape and gases which have neither a definite shape nor volume. Therefore, the correct answer is liquid.

Tags

NGSS.5-PS1-3

A ​ (a)   is matter that does not take up a definite space or shape.

• solid

• liquid

• gas

Answer explanation

A gas is matter that does not have a definite shape or volume, allowing it to expand and fill any container. In contrast, solids have a fixed shape, and liquids have a definite volume but take the shape of their container.

Tags

NGSS.MS-PS1-4

Match the following

• Liquid changing into a gas

• Condensation

• Can be measured or observed

• Evaporation

• Gas changing into a liquid

• Physical Properties

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

A thermometer shows that it is 15 °C outside. If you put an ice cube outside it will change to a ​ (a)  

• liquid

• gas

• solid

Answer explanation

At 15 °C, the temperature is above 0 °C, which is the melting point of ice. Therefore, the ice cube will melt and change into a liquid state.

Tags

NGSS.MS-PS1-4

Aurelia measures the temperature of sand in a cup. She leaves the cup in the hot sun for 1 hr and measures the temperature again. The figure shows the cup at the start of her experiment and after 1 hr.

Which measurement is closest to the rise in the temperature of the sand?

• 4 °C

• 6 °C

• 10 °C

• 12 °C

Answer explanation

Aurelia's temperature measurement after 1 hour shows a rise of approximately 6 °C, which is the closest option to the observed increase in temperature of the sand in the cup.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The picture shows a pot of water on a stove. Read the thermometer in the pot. 

What could you do to make the water boil?

• put the pot in the freezer

• take the pot off the stove

• turn down the heat on the stove

• turn up the heat on the stove

Answer explanation

To make the water boil, you need to increase the temperature. Turning up the heat on the stove will raise the water's temperature, allowing it to reach its boiling point.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Snow, hail, and sleet are kinds of water that fall from clouds.

Snow, hail, and sleet are alike because ​ (a)  

• they are solids.

• they are liquids.

• they are gases.

• they are water vapor.

Answer explanation

Snow, hail, and sleet are all forms of precipitation that fall from clouds in solid form. Therefore, they are alike because they are solids, distinguishing them from liquids and gases.

Tags

NGSS.MS-PS1-4

Christopher is measuring the mass of different objects. Which tool does he use?

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