Physical/Chemical Properties & Changes

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

• Change Shape

• Melting

• Change in size

• Change in color

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

Is bread molding a physical or chemical change?

• Physical

• Chemical

TRUE OR FALSE: You can look at matter and observe the chemical properties.

• TRUE
• FALSE

Tags

NGSS.MS-PS1-2

Properties that can be observed without trying to change the identity of the substance.

• Physical
• Chemical

 Mixing the metal Sodium with the gas Chlorine will react and create table salt (NaCl). This type of change is a ______.

• Physical change
• Chemical change

Tags

NGSS.MS-PS1-2

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

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

Adding baking soda and vinegar together and it fizzes and creates carbon dioxide.

• Chemical
• Physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Jayden asked Gabe what she could do to an egg for a chemical change. Gabe answered correctly and said...

• You can drop the egg.
• You can cook the egg.
• You can crack the egg.
• You can paint the egg.

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2