Changes In Matter Part 1

A CHEMICAL CHANGE will...

• NOT create new substances.

• create new substances.

• never occur in any type of matter.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A PHYSICAL CHANGE will...

• not produce new substances

• produce new substances

• never occur with any kind of matter

What kind of change occurs if matter changes in amount, size, or shape?

• substance change

• chemical change

• physical change

• elemental change

When chemists express a chemical change, they do so with a...

• math equation

• a poem

• chemical equation

• physical equation

Tags

NGSS.MS-PS1-5

Dissolving salt in water is a...

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

A sand castle being stomped on is a...

• physical change

• chemical change

H2O2 is also known as

• water

• oxygen

• hydrogen peroxide

• combustion

The word decomposition means to

• break down

• build up

• explode

• tarnish

Tags

NGSS.MS-LS2-3

Which of the following is NOT a sign of a chemical reaction?

• size change (mass/volume)

• formation of a gas

• temperature change

• change in odor

Tags

NGSS.MS-PS1-2

Combustion reactions...

• are the same as tarnishing

• use fuel and oxygen to create heat and light

• break a substance apart with electricity

• add oxygen to a substance

Tags

NGSS.MS-PS1-5