Chemistry of Materials

Density

100

What is the formula for Density? 

Mass divided by Volume

200

Metal = 1.57cm³

Liquid = 1.15cm³

Will the piece of metal float or sink? 

Sink

300

An object with a mass of 3.05g and a volume of 1.45cm³. 

What is the density? 

2.1 g/cm³

400

A block of wood has mass of 5.36 grams and a density of 2.94 g/cm³. What is the volume? 

1.82 cm³

500

A block of wood has a: 

Length = 5cm, Width = 2.5cm, Height = 0.6cm

and a Mass of 6.8 grams. 

What is its density? 

Density = 0.9 g/cm³

Chemical Formulas and Bonds

100

How many bonds does Hydrogen make? 

1

200

The number of bonds that Oxygen makes. 

2

300

The number of bonds that Nitrogen can make. 

3

400

Chemical formula for Water

H₂O

500

If Carbon bonds with as many Hydrogens as possible, what would the chemical formula be? 

CH₄

Name this State

100

No fixed shape and lots of movement

Gas

200

A fixed shape and volume

Solid

300

Specific volume but no specific shape

Liquid

400

Molecules stay together but NOT vibrating in place

Liquid

500

Very little movement

Solid

Name this Phase Change

100

Liquid to a Solid

Freezing

200

Liquid to a Gas

Evaporation

300

Gas to a Liquid

Condensation

400

The Kinetic Energy of a fixed shape and volume increase cause the particles to move more freely.

Melting

500

The Kinetic Energy of a substance slows down to still move freely but have no specific shape. 

Condensation

Vocabulary

100

The physical form of matter - solid, liquid, or gas.

State

200

The energy an object has because of its motion.

Kinetic Energy

300

Favoring one thing over another in an unfair way.

Bias

400

The simplest pure substances.

Element

500

The flexibility of a material.

Malleability