Energy that is in the form of light that can be seen.
a. What is light energy?
b. What is a conductor?
c. What is electrical energy?
What is light energy?
Hand-crank flashlights work because...
A. What is "The moving energy of the handle is changed into electrical energy?"
B. What is "The heat from hand turning the crank is changed into electrical energy?"
C. What is hand-crank flashlights really don't work?
What is "The moving energy of the handle is changed into electrical energy?"
Electrical energy in a battery flows from the _______ side toward the ________ side.
a. What is green, red?
b. What is negative, positive?
c. What is positive, negative?
What is negative, positive?
This type of light bulb has wires sticking out on both ends.
a. What is a lantern?
b. What is an LED?
c. What is a candle?
What is an LED?
Electricity is a form of _________.
a. What is matter?
b. What is energy?
c. What is water?
What is energy?
To create something new, often an object or a way of doing something.
a. What is an experiment?
b. What is an invention?
c. What is energy transfer?
What is an invention?
The smooth side of the battery used in the flashlight activity had a _______________ charge.
a. What is negative?
b. What is neutral?
c. What is positive?
What is positive?
_____________ are materials that allow electrical energy to flow through them.
a. What are insulators?
b. What are conductors?
c. What are circuits?
What are conductors?
The ________ of the LED wire should touch the ______ side of the battery.
a. What is shorter, positive?
b. What is longer, negative?
c. What is longer, positive?
What is longer, positive?
Besides making things move, electricity can also do this.
a. What is light things up?
b. What is grow plants?
c. What is turn rocks into metal?
What is light things up?
A __________ is a device that stores energy.
a. What is a circuit?
b. What is an insulator?
c. What is a battery?
What is a battery?
The textured and rounded side of the battery used in the flashlight activity had a ___________ charge.
a. What is negative?
b. What is positive?
c. What is neutral?
What is negative?
This shiny kitchen material was used to help make the flashlight work.
a. What is wax paper?
b. What is cellophane?
c. What is aluminum foil?
What is aluminum foil?
The shorter wire of the LED light connects to the _________ side of the battery.
a. What is positive?
b. What is neutral?
c. What is negative?
What is negative?
a. What are curtains?
b. What are bookcases?
c. What are electrical outlets?
What are electrical outlets?
A(n) _______________ is a material that electrical energy does not easily travel through
a. What is a conductor?
b. What is an insulator?
c. What is a circuit?
What is an insulator?
The ring of the battery used in the flashlight activity had a __________ charge, and the edge of the battery had a ___________ charge.
a. What is negative, positive?
b. What is positive, negative?
c. What is positive, positive?
What is positive, positive?
Electrical energy always needs a ___________ in order to move.
a. What is a negative side?
b. What is a pathway?
c. What is a positive side?
What is a pathway?
During the flashlight activity, many found that this material stopped electrical energy from flowing.
a. What is aluminum foil?
b. What is a file folder label?
c. What is copper wire?
What is a file folder label?
Thomas Edison said he learned thousands of these before inventing the light bulb.
a. What are ways that don't work?
b. What are new songs?
c. What are Science jokes?
What are ways that don't work?
What is a path where electricity can flow?
a. What is a circuit?
b. What is a conductor?
c. What is electrical energy?
What is a circuit?
__________ are the negatively charged particles in an atom.
a. What are neutrons?
b. What are electrons?
c. What are molecules?
What are electrons?
This happens when you unplug something from the wall.
a. What is the battery charges?
b. What is the flow of electrical energy stops?
c. What is the wires melt?
What is the flow of electrical energy stops?
The LED lights up only when electrical energy flows through it. This is because your have created a ____________.
a. What is a conductor?
b. What is a circle?
c. What is a circuit?
What is a circuit?
Electrical energy can be described as...
a. What is the movement of electrons through a conductor?
b. What is the movement of electrons through a insulator?
What is the movement of electrons through a conductor?