Physical and Chemical Changes Review

What is a property in chemistry?

• A description of a substance

• An action that happens to a substance

• A type of chemical reaction

• A way to mix substances

Tags

NGSS.MS-PS1-2

Which of the following is NOT an example of a physical change?

• Burning wood

• Tearing a piece of paper

• Melting ice

• Chopping wood

Which of the following is an example of a chemical change?

• Baking a cake

• Mixing candies

• Folding paper

• Boiling water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the difference between a physical and a chemical change?

• A physical change does not create a new substance, while a chemical change does

• A chemical change does not create a new substance, while a physical change does

• Both always create new substances

• Both never change the appearance of a substance

Tags

NGSS.MS-PS1-2

Which of the following is a physical change?

• Melting ice

• Burning wood

• Rusting metal

• Cooking an egg

Tags

NGSS.MS-PS1-4

What does the “S” in “BECOST” stand for?

• Solid forms

• Sound produced

• Sugar dissolves

• Shape changes

If a substance changes temperature on its own during a reaction, what type of change is likely occurring?

• Chemical change

• Physical change

• Phase change

• Mixture formation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A change in form, like melting or tearing, where no new substance is made, is called a _______.

• physical property

• chemical property

• physical change

• chemical change

A characteristic that describes a substance’s ability to react and form a new substance, like flammability, is called a chemical property.

• physical property

• chemical property

• physical change

• chemical change

Which of the following is an example of a physical property?

• The density of a substance

• The ability to combust (explode)

• The ability to undergo radioactive decay

• The tendency to react with other substances

Tags

NGSS.MS-PS1-4