Unit 4: Matter Review

Front

What are physical properties of matter?

Back

Physical properties are characteristics that can be observed without changing the substance's chemical composition, such as appearance, texture, color, and the ability to conduct electricity.

Tags

NGSS.MS-PS1-4

Front

What happens to the motion of molecules when energy is added to a system according to the Kinetic Theory of Matter?

Back

According to the Kinetic Theory of Matter, when energy is added to a system, the motion of molecules increases.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the phase change from solid to liquid called?

Back

The phase change from solid to liquid is called melting.

Tags

NGSS.MS-PS1-4

Front

In the context of convection, what happens to cold fluids?

Back

Cold fluids sink due to higher density.

Tags

NGSS.MS-PS1-4

Front

What 2 measurements are used for DENSITY?

Back

Density is measured using mass and volume.

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are chemical properties of matter?

Back

Chemical properties describe a substance's ability to undergo changes that transform it into different substances, such as reactivity and flammability.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is the process of freezing?

Back

Freezing is the phase change from liquid to solid.

Tags

NGSS.MS-PS1-4

Front

What is sublimation?

Back

Sublimation is the phase change from solid directly to gas without passing through the liquid state.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4