Scientific Method
Matter
Forces/Motion
Energy
Waves

### 100

An educated guess, a possible explanation for a problem.
What is a hypothesis?

### 100

Matter can be in one of these three states.
What is solid, liquid or gas?

### 100

How fast something is going.
What is speed?

### 100

An energy source that cannot be used again.
What is nonrenewable?

### 100

The high point of a wave.
What is a crest?

### 200

This measures the amount of matter in an object.
What is mass?

### 200

In this type of change, the substance just changes its appearance.
What is a physical change?

### 200

This term describes how things in motion want to stay in motion.
What is inertia?

### 200

One example of a renewable energy source.
What is (answers will vary)?

### 200

The distance between two crests.
What is wavelength?

### 300

You want to do more than one of these to have more accurate results.
What is a trial?

### 300

In this type of change, the substance changes into something new.
What is a chemical change?

### 300

The speed of an object and the direction of its motion.
What is velocity?

### 300

Coal, natural gas and oil are often called this.
What is fossil fuel?

### 300

The two types of mechanical waves.
What is transverse and compressional?

### 400

This is the variable that is measured in an experiment.
What is the dependent variable?

### 400

An atom is made up of these three things.
What is a neutron, proton and electron?

### 400

The measure of an object speeding up or slowing down.
What is acceleration?

### 400

This says energy cannot be created or destroyed, it only changes form.
What is Law of Conservation of Energy?

### 400

The matter that waves travel through.
What is a medium?

### 500

This is the variable that you change in an experiment.
What is the independent variable?

### 500

The charges of the different parts of an atom.
What is neutral for a neutron, positive for a proton, and negative for an electron?

### 500

Define Newton's Laws of Motion.
What is (answers may vary in wording)

### 500

Name and describe the 3 different ways that heat energy moves.
What is (define convection, conduction and radiation)?

### 500

Identify three things that can be measured on a wave.
What is (answers will vary, but include: frequency, amplitude, wavelength, period)?