Matter - Chemistry review

What happens to most substances as temperature and pressure change?

• Changes in matter

• Changes in mass

• No change

• Changes in color

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is NOT an intensive property?

(Intensive means to stay the same.)

• color

• Temperature

• Mass

• luster

Liquids flow, because the particles…

• vibrate in place

• Rolls across

• Fly around the enclosed area

• Particles can’t move

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How does the movement of particles in a solid effect its ability to hold its shape?

• No motion

• Particles move so fast the solid is kept in place

• Bonds aren’t kept in place

• Minimum motion keeps bonds in place.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Homogeneous mixtures…

• Are solutions

• Are liquids

The particles in a gas , because they have sufficient _ to break bonds.

Word answer like: “Blue/Red”

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the difference between a liquid and a gas?

• Gas particles have less energy

• Liquid particles have more energy

• Gas particles have more energy

• Gas and liquid particles have the same energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Liquid to gas…

• Sublimation

• Vaporization

• Heterogeneous

• Solid

Tags

NGSS.MS-PS1-4

A mixture…

• Cannot be physically separated into components

• Can be separated into components

• Sometimes can be separated onto components

• Have no components

What is a physical change?

• Milk souring

• Rust forming

• Burning wood

• Crushing rocks