11. If a person pulls back a rubber band on a slingshot without letting go of it, what type of energy will the rubber band have? A. Translational energy
B. Potential energy
C. Kinetic energy
D. Rotational energy

12. What's the basic unit of the measurement of power?
A. Meter per second
B. Newton
C. Joule
D. Watt

13. Which of the following describes an object being acted on by a buoyant force?
A. The object is being moved toward another object due to a gravitational pull.
B. The object is moved in an arcing pattern because of a magnetic attraction or repulsion.
C. The object is being pushed upward by a liquid.
D. The path of the object is restricted to an elliptical orbiting pattern due to gravity.

14. The amount of pressure exerted by a solid is based on
A. the mass of the object and the density of the material it's contacting.
B. the mass of the object and the area of the bottom surface.
C. the mass of the object.
D. the density of the object and the frictional coefficient of the surface it's contacting.

15. What does a barometer measure?
A. Conductivity
B. Atmospheric pressure
C. Liquid viscosity
D. Water pressure

16. What potentially negative consequences might some biofuels have that prevent them from being a total replacement for fossil fuels?
A. There are no negative consequences to the use of biofuels.
B. Biofuels create carbon dioxide, contributing to climate change.
C. Biofuels produce toxic gases when burned.
D. Corn and soy-based biofuels use up crops that otherwise would be used for food.

17. Which statement below best describes a volatile liquid?
A. A liquid that doesn't evaporate under atmospheric pressure
B. A liquid that requires a large amount of energy to evaporate
C. A liquid that evaporates rapidly at low temperatures
D. A liquid that evaporates slowly at low temperatures

18. Which of the following is the method by which air is cooled in the food storage component of a refrigerator?
A. Radiation
B. Evaporation
C. Conduction
D. Convection

19. A student is pushing a box across the room. To push the box three times farther, the student needs to do how much work?
A. One-third as much
B. Twice as much
C. Three times as much
D. Half as much

20. In a jet engine, what purpose does the afterburner serve?
A. It burns fuel once the plane reaches its maximum altitude.
B. It reheats the gas from the fuel and releases it more rapidly.
C. It provides a way to slow the plane down by cooling the exhaust gas.
D. After the plane lands, it burns off excess fuel that wasn't used in flight.