Matter
Density
Phase Changes
Gas Laws
States of Matter
100
Smallest unit of matter

What are atoms?

100

The amount of matter in a given space

What is density?

100

A liquid changing into a gas

What is vaporization/evaporation?

100

Gas particles move in

random, constant motion

100

Molecules are fixed and move in place,

Has defined shape and volume

What is a solid?

200

Contains only one element or a fixed combination of elements (compounds) that are pure.

What are substances?

200
The formula for density

What is d=m/v

200

A gas turning into a liquid

What is condensation?

200

As temperature of a gas increases, its volume

What is increased?

200

Has no defined shape but a definite volume

What is a liquid?

300
Type of mixture that can be physically separated

What is heterogenous?

300

What is the density of an object with a mass of 10 grams and a volume of 5 cm3

What is 2 g/cm3

300

When pressure is reduced, a liquid can become a 

What is a gas?

300

As pressure of a volume decreases, its volume

What is increases?

300

Has no defined shape or volume

What is gas?

400

Anything that has mass and takes up space 

What is matter?

400

What is the mass of an object that has a volume of 40 mL and a density of 2 g/mL

What is 80 grams?

400

Phase change that occurs when a solid becomes a gas

What is sublimation?

400

Find V2 if 

V1= 1L

P1= 2 psi

P2 = 4 psi

0.5 L 

400

Matter that is made of high energy, electrically charged particles, such as the aurora borealis

What is plasma?

500

Salt dissolved in water form what kind of mixture?

What is homogeneous?

500

What weighs more, a 50 L bucket with a density of 0.5 g/L or a 0.5 L lead weight with a density of 50 g/L

They are the same?

500

Phase change that occurs when a gas becomes solid

What is Deposition?

500

A gas has a volume of 5 L and pressure of 15 kPa, what is the volume if its pressure is decreased to 5 kPa

What is 15 L?

500

The most abundant form of matter in the Universe

What is plasma?