What does the acronym M.E.L.T.S. stand for.

A complete path of an electric current including usually the source of electric energy ?

Energy that travels in waves that you can see.

A push or a pull.

A measure of the amount of matter in an object.  Often measured with a triple beam balance.

What energies does a television use or produce.

A device that can open or close the flow of electricity in a circuit.

A substance through which energy is transmitted.

What force keeps planets in orbit and keeps objects on the earth?

When analyzing light complete the sentence stems below.

Bend is associated with ____________.

Bounce is associated with __________.

The ability to do work.

When the energy is not flowing in a circuit it is referred to as an ______________.

A block of clear glass or plastic which separates the light passing through it into different colors.

A force that attracts and repels.

The flow of electricity in circuits requires a___________  ___________ through which an electric current can pass and can produce light, heat, and sound.

A windmill uses what energy to produce electrical energy.

Analyze the circuit.  There is only one path for energy to flow.  What do we call this type of circuit.

When light bends after passing through a medium.

A student is conducting an investigation.  They have five different surfaces that they are going to roll a marble over and measure the distance.  What force are they most likely testing?

A piece of glass or other hard clear material molded with one side flat and the other curved or both sides curved that forms an image by bringing together or spreading the light that passes through it. We use these to make our glasses that help us to see.

A machine that is intentionally designed to perform a simple task in an indirect and over complicated fashion.

Analyze the circuit below.  This circuit has multiple paths where the energy can flow.  What do we call this kind of circuit.

A student walks in a lake and looks down and they see a bird flying above because of what scientific term.  Explain.

There are some things that change in an investigation and there are things that must stay the same in order for the investigation to be accurate.  What do we call these things?

Variables that change are called independent variables.  What are the variables that must stay the same in order for the investigation to be accurate?