Unit 1 7.6C Physical Changes

What are the three states of matter?

• gas, liquid, mass

• solid, liquid, gas

• mass, solid, magnet

• density, volume, mass

What kind of change occurs if matter changes in amount, size, or shape?

• substance change

• physical change

• chemical change

• elemental change

What is the example of the physical change?

• Burning firewood

• Rotting Banana

• Pencil breaking

Which of the following is an example of a physical change?

• A glass falling and shattering on the floor.

• Baking a birthday cake.

• Burning a piece of paper.

• Baking soda and vinegar mixing together.

What happens when chocolate is left in a hot car?

• it melts
• it changes shape
• it changes from a solid to a liquid
• all of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When we cut a piece of paper into triangles, which physical properties change?

• The smell and taste

• The texture and smell

• The size and shape

Melting

• change of state from solid to liquid

• change of state from liquid to solid

Tags

NGSS.MS-PS1-4

A gel ice pack getting cold after you put it in the freezer for an hour.

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5

How do we know if it is a chemical change?

• can be undone
• cannot be undone
• both
• none

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is hammering wood together to build a house a chemical or physical change?

• chemical
• physical