Signs of Chemical Change

The glow stick reaction is a

• Chemical change

• Physical change

The production of carbon dioxide gas when baking soda and vinegar reacted indicated a _____________.

• Chemical change

• Physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Students observed a piece of iron change from shiny to rusty. What caused this change?

• a chemical reaction

• a heat reaction

• a cold reaction

• a physical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is the best example of a new substance forming?

• lighting a match

• cutting a piece of paper

• popping a balloon

• hitting a nail with a hammer

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is an example of a different substance being formed?

• glass breaking

• metal melting

• water freezing

• wood burning

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In this type of change, a gas in the form of bubbles is released.

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

One or more new substances are formed in a ________________ change.

• physical

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Rotting food that produces a color change and bad odor is a ____________________ change.

• physical

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an example of chemical change?

• water evaporating

• ice melting

• milk spoiling

• melting butter

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a sign of a chemical change?

• A change in color

• A change in shape

• A change in size

• A change in state

Tags

NGSS.MS-PS1-2