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13 Cards in this Set

  • Front
  • Back
In a parallel circuit, if one bulb burns out, the other bulbs stay lighted because
A. The electric current continues to flow
B. The insulator recharges it
C. The battery keeps it running
D. The bulbs don't stay lit
An electric current forms when
A. an object gains or looses electrons
B. an object gains or looses electricity
C. an object gains or looses the conductor
D. none of the above
The difference between a parallel and a series circuit is
A. In a parallel circuit if one bulbs burns then the others stay lit
B. In a series circuit if one bulb goes out the rest go out
C. Both A and B
D. There is no difference
Temperature is
A. The average kinetic energy
B. A device that uses sound waves
C. A force that is not equal
D. The spinning of Earth on its axis
Chemical bonds are
A. A strong straight
B. The concentration of matter
C. Forces that join atoms together
D. The center of the Earth
The four real types of energy are
A. Heat energy, bio-mass energy, geothermal energy and nuclear energy
B. Geothermal energy, kinetic energy, electric energy and solar energy
C. Kinetic energy, solar energy, geothermal energy and nuclear energy
D. Hydroelectric energy, kinetic energy, solar energy and biothermal energy
Work is
A. The use of a force to move an object
B. Adding or subtracting an individual force
C. Change of motion
D. None of the above
Power is
A. The ability to cause changes
B. The process of a liquid to a gas
C. Use of a force to move an object
D. The amount of work done for each unit of time
A machine is
A. The weight of air
B. A large scale ecosystem
C. Something that makes work easier
D. The process of cell division
The six simple machines are a pulley, a lever, wheel and axle, inclined plane, wedge and
A. Wheel
B. Screw
C. Scale
D. Wheelbarrow
A pulley changes the direction of the
A. Force
B. Machine
C. Object it is pulling
D. Wheel and axle
A lever increases the
A. Speed of an object
B. The force
C. Axle
D. None of the above
Compound machine is a combination of
A. Two simple machines
B. Two complicated machines
C. One simple machine and one complicated machine
D. None of the above