Exploring Chemical and Physical Properties and Changes

What is a chemical property?

• A trait that depends on the amount of matter

• A trait that does not change the item when observed

• A trait that changes the item when observed

• A trait that involves phase changes

Tags

NGSS.MS-PS1-1

Which of the following is a physical property?

• Color

• Combustion

• Rusting

• Flammability

What happens during a chemical change?

• The sub microscopic makeup of an item is altered

• The item changes its phase

• The item dissolves in a liquid

• The item remains the same

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

• Tearing paper

• Burning paper

• Cooking an egg

• Rusting nail

What is an example of a chemical change?

• Dissolving sugar

• Boiling water

• Rusting nail

• Melting ice

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a physical change?

• Cooking food

• Rusting iron

• Evaporating water

• Burning wood

What is true about phase changes?

• They create new substances

• They are physical changes

• They alter the atomic structure

• They are chemical changes

What is true about dissolving?

• It creates a new substance

• It is a chemical change

• It is a physical change

• It alters the atomic structure

What is an extensive property?

• A property that involves chemical reactions

• A property that depends on the amount of matter

• A property that does not depend on the amount of matter

• A property that involves phase changes

Which of the following is an intensive property?

• Mass

• Volume

• Density

• Energy