Physical and Chemical Changes

The particles in a _____ are the farthest apart and move the fastest.

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

Which is NOT an example of condensation?

• The walls of a bathroom are damp after someone takes a shower.

• Dew is found on the grass on a summer morning.

• Drops of water form on a cold can of soda on a hot day.

• A bucket of water left uncovered eventually becomes empty.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

What changes did the water undergo?

• Evaporation and then Condensation

• Freezing and then Melting

• Condensation and then Melting

• Melting and then Freezing

Tags

NGSS.MS-PS1-4

NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

A chemical change creates a _____.

• Solution

• New Substance

• Change in Volume

• Mixture

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Two clear substances are combined inside a plastic bag. The plastic bag is tightly sealed. What evidence would indicate that mixing the chemical produced a new substance?

• The bag is transparent.

• The bag can hold liquid.

• The substances are clear.

• The substance in the bag becomes warm.

Tags

NGSS.MS-PS1-2

Which describes water vapor leaving a river and going into the air?

• Evaporation

• Precipitation

• Condensation

• Runoff

Tags

NGSS.MS-PS1-4

NGSS.MS-ESS2-4

Which statement describes the process occurring from beaker 1 to beaker 2?

• Solid ice is changing into gas.

• Solid ice is melting to liquid water.

• Liquid water is changing to gas.

• Gaseous steam is condensing to solid ice.

Tags

NGSS.MS-PS1-4

Which of the following is NOT a clue that a chemical change has occurred?

• change of state of matter

• production of a gas

• color change

• production of heat

Tags

NGSS.MS-PS1-2

What type of change has a candle undergone when it burns and then the melted drips of wax down the side of the candle harden again?

• undergone a physical change

• formed a new substance

• undergone a physical and chemical change

• undergone a chemical change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

When a substance changes size, shape, or form this is an example of what kind of change?

• chemical change

• physical change

• evaporation

• condensation