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.

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)?