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Electricity
Magents
Atoms
Energy
Changes
100
Giant sparks of moving electric charges are called
What is lightning?
100
Electricity is most closely related to what?
What is magnetism?
100
How do positively charged objects act near each other?
What is they repel each other?
100
Sound waves can travel
What is through matter?
100
To change peanuts to peanut butter requires a
What is physical change?
200
In an electric current, electricity flows
What is steadily?
200
The two magnet poles are
What is North and South?
200
The part of an atom that can rub off from one atom to another is the
What is electron?
200
11. A generator’s energy source can be turned by all of these EXCEPT a. burning oil b. falling water c. solar panels d. nuclear reaction
What is c. solar panels?
200
All of the following are examples of radiant energy EXCEPT a. infrared rays b. ultraviolet rays c. visible light d. nuclear energy
What is d. nuclear energy?
300
A battery in a flashlight changes chemical energy to
What is electrical energy?
300
The like poles of two magnets ______
What is repel each other?
300
When the basic parts of substances are spread evenly through another substance, it’s called
What is a solution?
300
In an electric current, there is a steady flow of
What is electrons?
300
You can change the brightness of lights by using a a. thermostat b. dimmer switch c. volume control d. motion-sensing switch
What is b. dimmer switch?
400
A gap in a circuit is opened or closed by
What is a switch?
400
When electricity flows through a wire, the wire becomes
What is magnetic?
400
An example of a compound is a. iron b. water c. hydrogen d. carbon
What is b. water?
400
A force that acts to pull pairs of objects together is
What is gravity?
400
Stored energy is known as this.
What is potential energy?
500
All of these are special switches that protect us except a. fuses b. circuit breakers c. GFCI outlets d. Dimmer switches
What is d. dimmer switches?
500
The basic principles of magnetism and electricity
What is are closely related?
500
Electric charges a. have no effect on each other b. can only repel each other c. can only attract each other d. can both attract and repel
What is d. can both attract and repel?
500
This is how fast something is moving.
What is speed?
500
Electric bills are based on how many ____ are used.
What is Kilowatts?