Write answers on sheet of paper – 13, 16, 17, 20

Write answers for Objective 5 on card!26, 32, 34

Melting Point

Freezing Point

Solid

Liquid

Gas

Removing Heat (cooling)

Condensation Point

Boiling PointAdding Heat

Phase Change ChartPhase Change Chart

HeatHeat

Temperature Temperature ((ooC)C)

100 100

200 200200

400 400

300300

400400

Choice1 Choice 2 Choice 3 Choice 4

300 300 300300

200

400400

200

100100

500 500 500500 500500

100

Row 1, Col 1

H2

Indicates the number of atoms of the element in a chemical equation.

What is a subscript?

1,2

22HThe number of moleculesin a chemical equation.

What is a coefficient?

1,3

What state of matter is it that the molecules move very fast?

GASMolecules moving at great speed.

1,4

CondensationWhen energy is lost from a liquid.

What process causes a gas to turn into a liquid?

2,1

EndothermicWhen energy is absorbed in a

chemical reaction.

What chemical reaction absorbs energy?

2,2

A chemical reaction that produces energy.

What is an exothermic reaction?

2,3

Activation Energy

What do chemicals require to start a reaction?

2,4

New substanceProduces Gas

Energy ChangeChange of stateColor change

What are the indicators for a chemical reaction?

3,1

The reactant

In a chemical reaction, what does the products have to equal?

3,2

Chemical Change

What type of change is it when both the physical and chemical properties are changed?

3,3

Same substanceColorSmellShapeOdor

Density

What are some of the indicators in a physical property?

3,4

What is a endothermic reaction?

Chemical Reaction

Activation energy

Reactants Products

Heat absorbed

4,1

What is a exothermic reaction?

Activation energy

Reactants

Products

Heat released

4,2

What phase change takes away energy?

Liquid

to a

Solid

Energy is lost

4,3

What state or matter is electrically charged?

PlasmaPlasmaSuper charged particlesSuper charged particles

4,4

3Na + 3AlCl 3NaCl +Al3

Is this a balanced chemical equation?

5,1

2 Ag + O2 Ag2O

Is this an unbalanced chemical equation?

5,2

RadiantElectrical ChemicalThermal

MechanicalNuclear

What are the different types of energy?

5,3

Matter cannot be created or destroyed during a chemical or physical reaction.

What is the Law of Conversion of Mass?

5,4

Which law states that energy can not be created or destroyed?

Law of Conservation of Energy