Earth Space - minireview

What type of front occurs when two air masses meet but neither advances and the boundary between them stalls?

• Cold front

• Warm front

• Stationary front

• Occluded front

The process that occurs when physical forces break rock into smaller pieces without changing the rock’s chemical composition is called ____.

• chemical weathering

• erosion

• differential weathering

• mechanical/physical weathering

The constant freezing and thawing of ice called ______________

• frost wedging

• unloading

• exfoliation

• constant weathering

What is the area from the surface of Earth down to its center called?

• Biosphere

• Atmosphere

• Hydrosphere

• Geosphere

What is a testable explanation of a situation that can be supported or disproved by careful procedures?

• Variable

• Hypothesis

• Scientific law

• Scientific theory

Low-pressure systems are often associated with cloudy weather and precipitation.

• True

• False

Which is an example of climate? (NOT WEATHER)

• average rainfall over 30 years

• tomorrow's highest wind speed

• yesterday's rainfall

• today's high temperature

What season is cold and has short days and long nights.

• Spring

• Summer

• Autumn

• Winter

What percentage of the Moon is always illuminated? (whether we see it or not)

• 25

• 50

• 75

• 100

If it is summer in the northern hemisphere, which statement is true?

• Earth has changed the tilt of its axis by 20 degrees due to its revolution. 
• It is winter in the southern hemisphere due to the tilt of Earth’s axis. 
• It is summer in the southern hemisphere due to the tilt of Earth’s axis. 
• Earth has reached its closest point to the sun due to its revolution.