Properties and Chemical Change (Chem #2)

Dissolving sugar in water is an example of a chemical change?

• false

• true

Cutting a log in to small pieces IS a CHemical CHange.

• true

• false

Which of the following is NOT a chemical change?

• melting ice

• burning wood

• rotting food

• rusting iron

Which of the following IS a CHemical CHange

• using chalk

• water freezing

• slicing cheese

• digestion

Which of the following IS a sign that a CHemical CHange has occurred?

• change in shape

• melting

• formation of a gas

• dissolving

Which of the following IS an example of a CHemical CHange?

• crumpled paper

• pencil sharpening

• shrunken clothing

• sour milk

Food digesting in the stomach is a chemical reaction?

• true

• false

An iron pipe rusting is a chemical reaction?

• true

• false

Fireworks exploding is a chemical change?

• false

• true

What happens when a piece of wood burns?

• A physical change takes place.
• A chemical change takes place.
• The wood loses its gravity.
• The wood loses its inertia.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5