MCA Science

When air near the ground is warmed by sunlight, which of the following occurs?

• The warm air radiates and becomes cool again.
• The warm air evaporates into the cooler air.
• The warm air expands and rises, resulting in convection.
• The warm air loses its ability to hold water and precipitates.

1?

• Water is changing from a gas to a solid
• Water is changing from a liquid to a gas
• Water is changing from a liquid to a solid
• Water is changing from a solid to a liquid

Y?

• Evaporation
• Precipitation
• Condensation
• Runoff

Hydrosphere

• A- Mountain
• B- Desert
• C- River
• D-Outer Space

Above a continent, a warm air mass slowly passes over a cold air mass.  As the warm air begins to cool, clouds form.  What will most likely happen next?

• Rain will fall
• Lightning will strike
• Hurricanes will form
• Hail will form

Where is most of Earth's freshwater?

• in the ground
• in lakes and rivers
• in the atmosphere
• in glaciers and ice caps

deposition

• 1
• 2
• 3
• 4

All of the processes listed below cause changes in Earth's surface.  Which of the following is the slowest to change Earth's surface?

• earthquake activity
• volcanic eruption
• landslide
• weathering

order

• W,X,Y,Z
• X,Y,Z,W
• Y,W,X,Z
• X, Z,Y,W

After a rainstorm, a big pile of rocks blocks part of a mountain road.  Which event most likely caused the rocks to move onto the road?

• a tsunami
• a blizzard
• a landslide
• a hurricane