Physical and Chemical Changes, States of Matter

If you take away enough heat from water, what will happen to the water?

• It will begin to boil.

• It will become a solid.

• It will turn into a gas.

• It will increase in weight.

Tags

NGSS.MS-PS1-4

What is an example of a chemical change?

• paper being burned

• metal being melted

• a board being cut in half

• water being boiled

Tags

NGSS.MS-PS1-2

Kim puts an ice cube in a beaker and it melts. This is a good example of

• a physical change

• a chemical change

• an experiment

• an analysis

Tags

NGSS.MS-PS1-4

What happens when water boils?

• The solid water becomes a liquid.

• The liquid water becomes a solid.

• The liquid water becomes a gas.

• Water vapor becomes liquid water.

Tags

NGSS.MS-PS1-4

Which statement is correct?

• Physical change only changes the size.

• Physical change only changes the color.

• Physical changes begin and end with the same matter.

• Physical changes change the matter into something totally different.

In a chemical change, what would happen if you mixed two substances?

• They would form a new substance.

• The two would not be able to mix.

• They would be two separate substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of these is made of matter?

• Energy

• Light

• Paper

• Sound

Toni's class grows sugar crystals. Her teacher asks each student to sketch the shape of the sugar crystals. What will help Toni see the shape of the crystals?

• a satellite

• a magnifying glass

• a pair of binoculars

Tags

NGSS.4-PS4-2

An example of a solid turning into a liquid is (solid --> liquid)

• water vapor turning into water

• water turning into water vapor

• water freezing into ice

• ice melting into water

Tags

NGSS.MS-PS1-4

If you dissolved a lot of salt in some water in a large flat dish and put the dish in bright sunlight on a hot day, what would be left in the dish after a long time?

• dry salt

• water with no salt

• the same salty water as before

• nothing

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4