Wk 2 Assessment

Which best represents a plausible thickness of the lithosphere? 15 miles 100 miles 350 miles 600 miles

100 miles (anything between 80miles and 120miles)

Which most accurately estimates the percentage of Earth covered by water? 16% 32% 71% 97%

71%

Which of the Earth's spheres represents the majority of air on Earth? Hydrosphere Atmosphere Lithosphere Biosphere

Atmosphere

What sorts of changes would not likely occur as a result of mechanical weathering? Changes in shape Changes in color Formation of cracks Changes in size

Changes in color

What sorts of changes would not likely occur as a result of chemical weathering? Changes in shape Changes in color Formation of cracks Changes in location

Changes in location

Which is a common cause of the formation of rust-colored rings on rocks? Petrification Metamorphosis Mechanical weathering Chemical weathering

Chemical weathering

Which of the following is not likely a direct cause of plate tectonics? Earthquakes Mountain ranges Flooding Volcanic activity

Flooding

Which of the Earth's spheres represents the majority of water on Earth? Hydrosphere Atmosphere Lithosphere Biosphere

Hydrosphere

What role can lightning play in the nitrogen cycle? It can convert atmospheric nitrogen to ammonia It can break down organic matter to create ammonia. It can convert ammonia into nitrates. Lightning does not impact the nitrogen cycle.

It can convert atmospheric nitrogen to ammonia

Which of the Earth's spheres represents the majority of land on Earth? Hydrosphere Atmosphere Lithosphere Biosphere

Lithosphere

Which of the following substances is most prevalent in the atmosphere? Oxygen Argon Nitrogen Carbon dioxide

Nitrogen

Where is most of the water in the hydrosphere stored? Rivers and lakes Oceans Clouds Ice sheets

Oceans

Which of the following elements is most abundant in the lithosphere? Oxygen Iron Silicon Copper

Oxygen

Which most accurately describes the Earth's crust? The crust is one piece of land. The crust is made of multiple plates that do not move. The crust is made of multiple plates and some of these plates move. The crust is made of multiple plates and all move.

The crust is made of multiple plates and all move.

Which of the following processes best describes denitrification, atmospheric elements, uptake, and atmospheric fixation? The water cycle The nitrogen cycle Weathering Plate tectonics

The nitrogen cycle

What has changed in the atmosphere during Earth's existence? The types of gases present in the atmosphere have changed. Levels of carbon dioxide have always increased. Levels of carbon dioxide have always decreased. The atmosphere has not changed.

The types of gases present in the atmosphere have changed.

Which of the following processes best describes transpiration, evaporation, precipitation, storage, and runoff? The water cycle The nitrogen cycle Weathering Plate tectonics

The water cycle

Which of the following is not one of the four spheres defined by Eduard Suess in 1875? Hydrosphere Thermosphere Atmosphere Lithosphere Biosphere

Thermosphere

Which of the following is there most of on Earth's surface? Land Air Life Water

Water

Which of the following processes best describes mechanical and chemical changes to items of the lithosphere? The water cycle The nitrogen cycle Weathering Plate tectonics

Weathering