Physical and Chemical Changes and Mixtures Quiz

What is a physical change?

• A change in which the material changes into a completely different kind of matter with different properties

• A change in which the material keeps its identity

• A quick chemical process that gives off energy

• A change in which the material forms new bonds and gives off energy

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NGSS.MS-PS1-4

What is a chemical change?

• A change in which the material keeps its identity

• A change in which the material changes into a completely different kind of matter with different properties

• A quick chemical process that gives off energy

• A change in which the material forms new bonds and gives off energy

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is an example of a material that undergoes a chemical change and its appearance changes visibly?

• Water freezing into ice

• Wood being cut into smaller pieces

• Iron rusting to form iron oxide

• Salt dissolving in water

Tags

NGSS.MS-PS1-2

What occurs during a physical change?

• The individual molecules change.

• A new substance with new properties is formed.

• The appearance of a substance changes, but chemically it remains the same.

• The atoms making up matter rearrange to form a new substance.

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

• Rusting

• Burning

• Mixing substances to make Kool-Aid

• Cooking

What is a chemical change?

• A change where the substance's appearance changes but its molecules remain the same.

• A change where the atoms making up matter rearrange to form a new substance with new properties.

• A change where substances are mixed and something dissolves.

• A change where the substance undergoes a change in size or shape.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT necessarily evidence of a chemical change?

• Production of a gas

• Color change

• Formation of a precipitate

• Change in heat or light energy

Tags

NGSS.MS-PS1-2

What is the definition of a solid state of matter?

• A material with no definite shape or volume that can expand freely.

• A material that has a definite volume but takes the shape of its container.

• A material that has a definite shape and volume.

• Particles are not held together at all, but drift apart unless they are trapped in a closed container.

Which of the following is an example of a liquid?

• Wood

• Milk

• Ice

• Helium

How are the particles arranged in a gas?

• Particles are close together and do not move freely past one another.

• Particles are farther apart than in a solid and can slide past one another.

• Particles are not held together at all, but drift apart unless they are trapped in a closed container.

• Particles are close together and can move freely past one another.