CONVECTION – WINDS- CURRENTS QUIZ
1. The total energy of the particles that make up a substance is
a. Thermal energy
b. Thermal expansion
c. Temperature
d. Heat
2. The temperature of a substance is determined by
a. how much of the substance you have.
b. whether the substance is a solid, liquid, or a gas.
c. how fast the atoms or molecules are moving.
d. the potential energy of the substance.
3. When two objects reach thermal equilibrium
a. the thermal energy of the warmer object increases.
b. the thermal energy of the warmer object decreases.
c. there is no net change in either object’s thermal energy.
d. None of the above
4. The transfer of thermal energy from one substance to another through direct contact is
a. radiation.
b. conduction.
c. convection.
d. insulation.
5. The transfer of thermal energy by the movement of a liquid or a gas is
a. convection.
b. insulation.
c. radiation.
d. conduction.
6. Particles of a _____________ move fast enough to overcome some of the attraction
between them making it pourable.
a. gas
b. solid
c. liquid
d. plasma
7. Grandma is cooking beans in a closed pot on the stove. After a while you observe that the
lid starts to rattle and shake. This is because
a. as the temperature increases the pressure decreases.
b. as the temperature increases the pressure increases.
c. as the pressure increases the temperature increases.
d. as the pressure increases the temperature decreases.
8. What is the primary source of energy driving convection in the Earth’s atmosphere?
a. the sun
b. the rotation of the earth
c. the Earth’s core
d. gravity
9. What causes winds to blow?
a. Differences in temperature
b. Differences in density
c. Differences in air pressure
d. All of the above
10. Which of these statements is true?
a. Warm air is more dense and rises
b. Warm air is less dense and rises
c. Cool air is more dense and rises
d. Cool air is less dense and rises
11. The upward movement of warm air at the equator is known as the
a. doldrums.
b. westerlies.
c. tradewinds.
d. horse latitudes.
12. The downward movement of cool air across the Northern and
Southern hemispheres is known as the
a. doldrums.
b. westerlies. c. tradewinds.
d. horse latitudes.
13. Which factor controls surface currents?
a. Global winds
c. Continental deflection
b. The Coriolis effect
d. All of the above
14. Deep currents form where
a. the Coriolis effect is strongest.
b. Earth’s magnetic field is strongest.
c. water density increases.
d. water density decreases.
15. In Earth’s polar regions, cold air chills the water molecules at the ocean’s surface, which
causes the molecules to slow down and move closer together. As a result, the
_______________ of the water increases.
a. temperature
b. mass
c. density
d. volume
16. ______ carry warmer, less-dense water from the equatorial regions to polar regions.
a. Trade currents
b. Coriolis currents
c. Surface currents
d. Deep currents
17. Which current raises the average temperature on the west coast of Europe?
a. Gulf Stream
b. West Australian
c. Coriolis current
d. Monsoon drift
18. The curving of a moving object’s path from a straight path due to the Earth’s rotation is
called
a. continental deflection.
c. the coriolis effect.
b. pressurized deflection.
d. rotational deflection.
19. Which of the following changes is associated with El Nino?
a. The location of warm and cool surface waters in the Pacific Ocean changes
b. Global weather patterns change
c. The interaction between the ocean and the atmosphere changes
d. All of the above