Physical Changes (CK)

Which example is a physical change?

• breaking a glass
• ripening of fruit
• burning of fuel
• rusting of a nail

Which of the following is NOT a physical change?

• burning
• boiling
• melting
• freezing

Which is an example of a physical change that can be reversed?

• liquid water becomes ice
• food is digested
• burning of paper
• tarnishing of silver

Tags

NGSS.MS-PS1-4

Which of the following is a physical change?

• melting
• rusting
• rotting
• burning

Tags

NGSS.MS-PS1-4

What is the change of matter in which properties like shape, size, and state of the material change, but the chemical identity of the matter does not?

• physical
• chemical
• biological
• environmental

Tags

NGSS.MS-PS1-4

What are changes in size and shape referred to as?

• physical changes
• chemical changes
• biological changes
• environmental changes

Physical changes can be brought about by which of the following except _________.

• rusting
• dissolving
• bending
• cutting

Which is an example of a physical change that can be reversed?

• Salt is dissolved in water; it is reversed by heating so that the salt remains behind and the water vaper is collected and cooled to form liquid water
• Paper is burned; the ashes are used to make new paper
• A flower stem is cut; it is reversed by gluing the stem back together.
• water vapor turns to liquid water; is it reversed by cooling the liquid water.

A physical change can result in an entirely different substance.

• False
• True

Physical changes are not easily reversed.

• False
• True