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Jouer Froggy Jumps
Imprimer Froggy Jumps
Electromagnetism and energy
Author :
Lasley, Patrice
1.
During the baseball game, Don is preparing his bat to hit the ball. This is known as _________________
A
Chemical energy
B
Potential Energy
C
Kinetic Energy
2.
In a circuit, electrons flow from the _____________ end of the battery to the _______________ end of the battery
A
Negative, positive
B
Positive, Negative
C
Positive, Positve
3.
____________________________ Transforms mechanical energy into electrical energy
A
Generators
B
Electric Motors
C
Electromagnets
4.
In a _________________________ The electric current flows in one direction
A
Generator
B
Electric Motor
C
Eletromagnet
5.
Which one of these items involve electromagnetic induction?
A
Generators
B
Electric Motors
C
Electromagnets
6.
What can you do to change the direction of the electric current in a circuit?
A
Turn off the swtich
B
Flip the battery
C
Disconnect the wires
7.
Which item transforms electrical energy into mechanical energy?
A
Generators
B
Electric Motors
C
Electromagnets
8.
Heat transfer through direct contact is known as
A
Conduction
B
Convection
C
Radiation
9.
Feeling the heat from the sun is an example of_________________
A
Conduction
B
Convection
C
Radiation
10.
Warm air rises, cools down and sink and then, rises again. This is known as _______________________
A
Conduction
B
Convection
C
Radiation