Unit 1 Matter Review

Is burning wood a chemical or physical change?

• chemical
• physical
• neither physical or chemical

Tags

NGSS.MS-PS1-2

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is making salt water a physical or chemical change?

• physical

• chemical

Tags

NGSS.MS-PS1-2

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

• crumpled paper
• pencil sharpening
• freezing water
• sour milk

When you break a cracker into pieces it is a 

• Chemical change
• Physical change
• Chemical Weathering
• Physical Weathering

The substances at the beginning of a chemical reaction are most accurately called

• products
• chemicals
• reactants
• enzymes

Tags

NGSS.MS-PS1-2

Examples of physical change include

• melting, evaporating, condensing & freezing
• melting, burning & fire
• melting, freezing & burning
• melting, rusting & freezing

Tags

NGSS.MS-PS1-4

Green bananas turning yellow on their own as they ripen.

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What characteristic defines all chemical changes?

• There is a change of state.
• Electricity is produced.
• A new material is formed.
• Bubbles are produced. 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5