Physical and Chemical Changes

When two or more substances combine, but it does not form anything new like salt and pepper or trail mix

• Chemical

• Matter

• mixture

• volume

A change that does not result in a new substance

• chemical property

• chemical change

• physical propert

• physical change

the amount of matter in an object

• mass

• matter

• volume

• density

when one or more substances combine to make something new

• chemical property

• chemical change

• physcial change

• mixture

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

a characteristic that you can observe directly or measure with a tool such as mass, size, shape, color, texture, and volume

• chemical property

• physical property

• chemical change

• physical change

Wood that is burning in a brush pile has heat, and produces ashes.

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Is milk going sour a physical or chemical change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

Is freezing juice a physical or chemical change?

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is this an example of a physical or chemical change? 

• Physical because it is a mixture.
• Chemical because the parts have changed shape.

Tags

NGSS.MS-PS1-2

Why is this a physical change?

• The shape of the clay has been changed.
• The clay can be put back into a ball shape instead of a birthday cake.
• The clays has not changed chemically.
• All are true