Physical Pro

Which is the property of matter in which a substance can transfer heat or electricity?

• magnetism

• conductivity

• density

• solubility

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

Serena is mixing a material into a beaker filled with a liquid. She notices that the material seems to disappear into the liquid. What physical property of the material is Serena most likely observing?

• solubility

• conductivity

• magnetism

• density

Eugene describes the physical property of a material as “sweet and floral.” What physical property of the material is Eugene most likely observing?

• boiling point

• shape

• hardness

• odor

What is the result when an object reaches it's physical property of boiling point and melting point?

• Is changes its chemical composition

• Its changes its magnetism

• It changes its state of matter

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens when a substance undergoes a physical change?

• Some physical properties change, but the substance keeps its identity.

• No physical properties change, and the substance keeps its identity.

• Some physical properties change, and the substance changes its identity

• No physical properties change, but the substance changes its identity.

Tags

NGSS.MS-PS1-4

Which can occur in a physical change?

• The mass can increase.

• The particles can arrange in different ways.

• The mass can decrease.

• The atoms can bond to different atoms.

Tags

NGSS.MS-PS1-4

When liquid gold becomes a solid, its particles get closer together. Which best describes what happened to the gold?

• the conservation of magnetism

• the change in solubility in a physical change

• the change in melting point in a physical change

• the rearrangement of particles in a physical change

Tags

NGSS.MS-PS1-4

What is an example of a physical change?

• having less ash than the paper that was burned to form it

• ice forming and then melting back into water

• rust having a different identity than the iron it forms on

• the irreversible reaction of vinegar and baking soda

Which statement about the physical change of liquid water boiling into steam is true?

• The heat added represents an energy change.

• The action cannot be reversed.

• The steam cannot conserve mass.

• The weight lost represents a mass change.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Which of the following is true about the bonds of atoms in a physical change?

• Atoms remain bonded to each other in physical changes.

• Atoms become chemically combined in physical changes.

• The atoms will lost protons from their nucleus