Chem: Changes & Properties of Matter

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 gas bubbles

• dissolving

Sugar dissolving in water is a...

• chemical

• physical

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A change in the size, shape, or state of matter.

• chemical change
• physical change
• chemical reaction
• electron change

Tags

NGSS.MS-PS1-4

Which of the following tells you that a chemical change may have occurred?

• Change Shape

• Melting

• Vaporizing

• Unexpected change in color

What happens in ALL chemical changes?

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

Which is a Chemical property?

• Thermal Conductivity

• Density

• Malleability

• Ability to ignite

Which of the following is a chemical property of water?

• Reacts with pure sodium.
• Boils at 100 ^oC.
• Dissolves sugar easily. 
• Has a density of 1 gm/mL

Tags

NGSS.MS-PS1-2

Blue Color: Chemical or Physical Property

• Chemical Property
• Physical Property