Physical and Chemical Changes Review

A change that alters the physical properties of a substance without changing its composition. Same substance, same properties

• Physical Change

• Chemical Change

Water freezing into ice is an example of a...

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Any change in the state of matter(solid liquid gas) of a substance is a...

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

A change in matter that forms one or more new substances with new characteristics is a...

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following DOES NOT indicate a chemical change/reaction is occurring?

• Color Change
• Formation of a Precipitate
• Formation of gas/bubbles
• State of matter change

Tags

NGSS.MS-PS1-2

When a substance changes from a liquid to a gas, this is a...

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-4

Which Law states that Matter cannot be created or destroyed during a Chemical Change/Reaction?

• Conservation of Energy
• Conservation of Matter (Mass)
• Conservation of Momentum
• Conservation of Thermodynamics

Tags

NGSS.MS-PS1-5

Physical or Chemical Change?  Logs burning in a campfire.

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A 500-gram block of solid cheese is melted in a pot. Which is most likely the mass of the cheese after it is melted?

• 500 grams, because the cheese does not gain or lose mass just because it was melted
• 499 grams, because some of the cheese evaporates as it melts
• 502 grams, because the cheese absorbs heat as it melts

Tags

NGSS.MS-PS1-5

A student notices that an inflated balloon gets larger when it is warmed by a lamp. Which best describes the mass of the balloon as a result of this change?

• The mass of the balloon increases because the size of the balloon has increased.
• The mass of the balloon increases because the temperature of the balloon has increased.
• The mass of the balloon stays the same because the gas inside the balloon still has the same mass after it warms up.

Tags

NGSS.MS-PS1-5