When a flashhlight is turned on, it changes from chemical energy to_____
What is "electrical energy"?
100
The energy found within the nucleus of an atom is called
What is "nuclear energy?
100
The 3 basic parts of a simple circuit are:
What is battery, wire, and resistor(light bulb)
100
An area around the magnet where the strength of a magnet is located is called this.
What is "a magnetic field"?
200
Potential energy found in a battery is a form of ___energy.
What is chemical energy?
200
When a switch is turned on in a battery operated car, the two energy transformations, not including the chemical energy in the battery are _____ and ______ ( in order)
What is electrical and mechanical energy?
200
Energy produced by waves such as light waves, is called
What is "electromagnetic energy?"
200
The part of an atom outside the nucleus that can freely move to produce an electric current is called
What is "an electron"?
200
What happens to the magnetic fields when two bar magnets of like poles face each other?
What is "repulsion or repel?"
300
The total energy in a system is equal to the PE and the ___?
What is Kinetic energy?
300
When wind hits a windmill, it produces at least 2 energy transformations. They are..
What is electrical and mechanical energy?
Thermal energy is also produced as a byproduct of the motion.
300
Energy found in the chemical bonds of compounds is called
What is "chemical energy?"
300
Most of the wiring in your home is made up of what kind of circuit?
What is "a parallel circuit?"
300
Three variables were determined to effect the strengh of the electromagnet. One was the type of ferromagnetic material. What were the other two?
What is "number of coils and size of battery?"
400
When a person throws a ball into the air, where is the PE the greatest?
What is "at the top"?
400
At the top of a hill right before a ball rolls down, there is 100% potential energy? What is the % of kinetic energy present at the top of the hill?
What is "o%"?
400
Another word to describe kinetic energy or energy of motion is ....
What is "mechanical energy?"
400
Electromagnets convert a ferromagnetic material into this when electricity is moving through the wire.?
What is a temporary magnet?
400
The compass moved in our experiment when we created an electric current.What did the compass react too?
What is "a magnetic field?"
500
On a roller coaster, where is the kinetic energy the greatest?
What is "at the bottom of the first hill"?
500
The energy in an electric motor is transformed from electrical energy to ______ energy.
What is mechanical energy?
500
Hoover Dam uses water to turn turbines in a power plant. What is this energy called?
What is "hydroelectric energy?"
500
An experiment to test the effect of number of coils on number of paper clips that an electromagnet could pick up was done in class. What was the independent variable?
What is "the number of coils?"
500
As the number of coils increased in our electromagnet experiment, what happened to the number of paper clips picked up?