Physical and Chemical Changes IE 2

Cutting your hair is an example of a ___________ change.

• physical

• chemical

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

• melting chocolate
• crushing a soda can
• cutting paper
• wood burning

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following would be a physical change?

• slicing bread
• baking bread
• baking a cake
• rotting food

Which of the following is NOT a clue that a chemical change has occurred? 

• change of state of matter
• color change
• production of a gas
• production of heat

Tags

NGSS.MS-PS1-2

What happens in ALL chemical changes?

• Change in state of matter
• A new substance is formed
• Bubbles are produced
• An explosion

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of these is an example of a new substance being formed?

• a nail rusting
• a wall being painted
• water changing to steam
• paper being folded

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which example best describes a physical change?

• iron rusting
• charcoal burning
• an ice cube melting
• a marshmallow burning

Tags

NGSS.MS-PS1-4

When coffee is poured into a cup of ice, the ice begins to melt and mix with the coffee. Which statement best describes this change?

• The ice melting is a chemical change because the water changes form.
• The ice melting is a physical change because the water may be frozen again.
• The water and coffee mixing is a chemical change because the liquids change color.
• The water and coffee mixing is a physical change because the mixture forms bubbles.

Tags

NGSS.MS-PS1-2

Which statement best describes why baking a cake is an example of a chemical change?

• The process takes place in an oven.
• The process requires heat energy.
• The process cannot be reversed.
• The process can be repeated.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-LS1-7

Which of the following is NOT an example of chemical change?

• sour milk
• burning wood
• breaking a pencil
• rust

Tags

NGSS.MS-PS1-2