A MATERIAL THAT

DOES NOT ALLOW ELECTRICITY

TO PASS THROUGH

WHEN A PATH OF ENERGY IS INTERRUPTED

AND ENERGY CANNOT CONTINUE.

CLOSED CIRCUIT

A COMPLETE PATH OF OF ENERGY

THAT IS NOT INTERRUPTED

AND THE ENERGY WILL TRAVEL

THROUGH IT.

ELECTRICAL ENERGY THAT

FLOWS THROUGH

A CONDUCTOR

MECHANICAL ENERGY

ENERGY OF MOTION

M=MOVEMENT

HEAT ENERGY (THERMAL ENERGY)

THE ENERGY OF MOVING PARTICLES.

THIS ENERGY COMES FROM

A SOURCE OF HEAT

ELECTRICAL ENERGY (ELECTRICITY)

A FORM OF ENERGY THAT IS PRODUCED

WHEN ELECTRONS MOVE FROM

ONE PLACE TO ANOTHER PLACE.

A FORM OF ENERGY THAT

TRAVELS IN WAVES

AND CAN MOVE THROUGH

EMPTY SPACE WHERE THERE

IS NO AIR.

A FORM OF ENERGY PRODUCED

BY VIBRATING OBJECTS

AND TRAVELS IN WAVES

WHEN LIGHT RAYS

BOUNCE BACK

FROM A SURFACE

THEY DO NOT PASS THROUGH IT.

WHEN LIGHT RAYS

BEND

AS THEY PASS THROUGH FROM

ONE MATERIAL TO ANOTHER.

LIGHT PASSES THROUGH BUT CHANGES DIRECTION

SO THINGS APPEAR DIFFERENT

A LENS THAT IS THICKER IN THE CENTER AND THINNER AT THE EDGES.

IT BENDS LIGHT INWARD AND MAKES OBJECTS

SEEM LARGER

A LENS THAT IS THINNER AT THE CENTER

AND BENDS LIGHT OUTWARD.

IT MAKES OBJECTS APPEAR SMALLER.

A TEMPORARY MAGNET CREATED BY

A FLOW OF ELECTRIC CURRENT

AROUND AN IRON BAR

MATERIALS IN THE ENVIRONMENT

THAT ARE USEFUL TO PEOPLE.

RESOURCES THAT NATURE PRODUCES

AGAIN AND AGAIN

RESOURCES THAT NATURE CANNOT

REPLACE QUICKLY ENOUGH

FOR PEOPLE TO USE AGAIN

A FUEL THAT FORMED FROM

THE REMAINS OF

ANCIENT PLANTS AND ANIMALS

RENEWABLE ENERGY THAT

WILL NEVER RUN OUT AND

WILL REPLACE FOSSIL FUELS.

IT IS ALSO CALLED CLEAN ENERGY.

WHEN ENERGY FROM

MOVING WATER IS USED

TO PRODUCE

ELECTRICITY

WHEN ENERGY FROM THE WIND IS

 CHANGED INTO ELECTRICITY.

THE PROCESS OF CHANGING

FROM A LIQUID TO A GAS

THE PROCESS OF CHANGING FROM

A GAS TO A LIQUID

WATER THAT FALLS TO EARTH'S SURFACE

AS RAIN, SLEET, HAIL, OR SNOW.