Physical and Chemical Changes in Matter Practice 1

You split logs into pieces with an axe before burning them.

• Physical change

• Chemical change

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NGSS.MS-PS1-2

You notice bubbles and steam as water heats up and boils.

• Physical change

• Chemical change

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NGSS.MS-PS1-4

Sugar dissolves into water and disappears.

• Physical change

• Chemical change

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NGSS.MS-PS1-2

Fizzy gas bubbles are produced as a powder is added to a clear liquid.

• Physical change

• Chemical change

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NGSS.MS-PS1-2

A black film of tarnish develops on silverware over time.

• Physical change

• Chemical change

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NGSS.MS-PS1-2

A physical change is different than a chemical change

• In a physical change the properties of the substance change entirely

• A chemical change cannot be reversed but a physical change can

• A chemical change creates a new substance, a physical change does not

• In a physical change bonds break and new bonds form, forming new substances

Tags

NGSS.MS-PS1-2

Which statement best describes what happens when popcorn is popped

• a chemical change took place because the popcorn only changed in size or shape

• a physical change took place because new atoms formed as the popcorn melted and changed

• a chemical change took place because new atoms formed as the popcorn melted and changed

• a physical change took place because the popcorn only changed in size or shape

Tags

NGSS.MS-PS1-2

Something changing between states of matter is a ( melting, freezing etc...)

• physical change

• chemical change

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NGSS.MS-PS1-4

Pancakes cooking is

• physical change

• chemical change

• partially physical and chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

During a lab, you put a spoon full of baking soda into a clear liquid. It began to fizz and bubble up and overflow the beaker. Which statement explains what happened?

• No reaction took place.

• a physical change occurred.

• a chemical reaction created a solid substance.

• a chemical reaction created a gas.

Tags

NGSS.MS-PS1-2