7.E.1.1 +2 Review

What is the energy source that drives the water cycle?

• The moon T

• The heat from our home in the winter all around the world

• The sun

• he heat generated solely from the core of the earth

What are formed when water vapor condenses and come together?

• Clouds

• Mountains

• Transpiration

• Valleys

The mixture of gases that surround the earth. ____________________

• Landforms

• Sun

• Atmosphere

• Weathering

The process where plants absorb water through the roots and then give off water vapor through pores in their leaves. __________________________

• Transpiration

• Condensation

• Evaporation

• Precipitation

What is the process where the sun dries up water from lakes, rivers, and oceans? Look at chart.

• evaporation

• transpiration

• condensation

Which choice best organizes the five layers of Earth’s atmosphere from lowest altitude to highest altitude?

• exosphere, thermosphere, mesosphere, stratosphere, troposphere

• stratosphere, troposphere, thermosphere, mesosphere, exosphere

• thermosphere, stratosphere, mesosphere, troposphere, exosphere

• troposphere, stratosphere, mesosphere, thermosphere, exosphere

Which phrase best describes Earth’s atmosphere?

• a single layer of gases surrounding Earth

• multiple layers of gases surrounding Earth

• a bubble of air close to the surface of Earth

• clouds and particles in a single layer around Earth

Why is Earth’s atmosphere most concentrated at its surface?

• Gravity pulls the air molecules closer to the surface.

• Global winds move air molecules closer to the surface.

• Global winds move air molecules away from the surface.

• Gravity pushes the air molecules away from the surface.

The pie chart above shows the mixture of gases that compose the atmosphere.

Which gas composes 21% of the atmosphere?

• argon

• oxygen

• nitrogen

• carbon dioxide

Which gas in our atmosphere is most abundant?

• Argon
• Oxygen
• Nitrogen
• Carbon Dioxide