Atmospheric and Oceanic Convection Quiz

What are clouds mainly made of?

• soft cotton balls

• smoke

• tiny water droplets or ice crystals

• water vapor

What is the biggest thing that helps clouds to form?

• the sun's energy

• wind

• air pollution

• ocean currents

What role does gravity play in the water cycle?

• It causes water to evaporate

• It pulls rain droplets down to Earth

• It creates wind currents

• It heats up the atmosphere

What causes the bottom part of some clouds to look dark grey?

• Pollution in the air

• Shadows from other clouds

• More water droplets packed together tightly at the bottom

• The angle of the sun

Which of these is NOT a part of the water cycle?

• Evaporation

• Condensation

• Precipitation

• Photosynthesis

What drives the cycling of WATER through Earth's systems?

• Wind currents

• Ocean tides

• Energy from the Sun and gravity

• Human activities

How do warm ocean currents typically move in relation to the equator?

• From the equator towards the poles

• From the poles towards the equator

• Parallel to the equator

• In a zigzag pattern

What effect does a WARM ocean current usually have on nearby land?

• It causes the land's climate to be cooler

• It has no effect on the land's climate

• It causes the land's climate to be warmer

• It causes earthquakes on the land

What factor affects the density of ocean water?

• Temperature only

• Salinity only

• Both temperature and salinity

• Neither temperature nor salinity

Salinity means...

• How hot or cold the water is

• How salty the water is

• How fast an ocean current moves

• How much pollution is in the water