What kind of properties can only be observed when a substance changes into a different substance?

• physical properties
• chemical properties
• liquid properties
• real properties

Tags

NGSS.MS-PS1-2

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Tags

NGSS.MS-PS1-2

Is burning wood a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

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

• crumpled paper

• pencil sharpening

• shrunken clothing

• spoiled milk

Benzene is a compound that is highly flammable. What is this an example of?

• Physical property

• Chemical property

• Physical change

• Chemical change

Helium is an element that is unreactive . What is this an example of?

• Physical property

• Chemical property

• Physical change

• Chemical change

Tags

NGSS.HS-PS1-1

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 the following are indicators that a chemical change has occurred? (Choose 3)

• Color Change

• Change in Shape

• Change in Temperature

• Formation of a Gas

• State Change (gas to a liquid, solid to liquid, etc).

Melting point

• Physical Property
• Chemical Property

Solubility (dissolves)

• Physical Proeprty
• Chemical Property