# Science

1. The south pole of a magnet is held 2 inches from the north pole of a second magnet, and the force between them is measured. If the magnets are moved to 4 inches apart, the force will __________.

A. not change
B. be doubled
C. be halved
D. be quartered
E. none of the above

2. Many people consider __________ to be the founder of modern physics.

A. Aristotle
B. Isaac Newton
D. Albert Einstein
E. James Maxwell

3. The inventor of the electrical generator:

A. Aristotle
B. Isaac Newton
D. Albert Einstein
E. James Maxwell

4. A “package” of light that acts like a particle:

A. photon
B. proton
C. neutron
D. electron
E. monopole

5. Magnetic __________ lines indicate the direction that the magnetic force pushes at any point near the magnet.

A. force
B. field
C. power
D. circuit
E. pole

6. If all of the lights on a string go out when one bulb burns out, the lights are part of a(n) __________ circuit.

A. open
B. grounded
C. series
D. ground fault interrupt
E. parallel

7. Electrically charging an object through contact with an object that is already charged is charging by:

A. generation
B. induction
C. conduction
D. deduction
E. friction

8. Electrically charging an object without direct contact with an object that is already charged is charging by:

A. generation
B. induction
C. conduction
D. deduction
E. friction

9. Electrically charging an object through rubbing contact with an object that is not already charged is charging by:

A. generation
B. induction
C. conduction
D. deduction
E. friction

10. The force between charged objects is __________ proportional to the amount of electrical charge on each object.

A. directly
B. indirectly
C. moderately
D. inversely
E. all of the above

11. The force between charged objects is __________ proportional to the square of the distance between the objects.

A. directly
B. indirectly
C. moderately
D. inversely
E. all of the above

12. Electrically charged objects with like charges __________ each other.

A. attract
B. repel
C. do not affect
D. merge with
E. none of the above

13. Electrically charged objects with opposite charges __________ each other.

A. attract
B. repel
C. do not affect
D. merge with
E. none of the above

14. Electrical current is measured in __________.

A. meters
B. ohms
C. volts
D. Newtons
E. amperes

15. Electrical __________ is the amount of charge that flows through a fixed point in an electric circuit each second.

A. resistance
B. friction
C. current
D. power
E. voltage

16. Electric conductors like wires and stove elements heat up because of __________.

A. resistance
B. friction
C. current
D. centrifugal
E. voltage

17. Who proved that magnetism and electricity are governed by the same force?

A. Newton
B. Maxwell
D. Duhem
E. none of the above

18. Electric current flows from the negative side of a battery to the positive side in what kind of circuit?

A. open
B. closed
C. conventional
D. induction
E. all of the above

19. A thick wire will have __________ resistance than a thin wire of the same material.

A. open
B. marginal
C. greater
D. less
E. none of the above

20. The thin wire in the previous question will convert electromagnetic force into which of the following?

A. voltage
B. amperes
C. current
D. all of the above
E. none of the above

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