CYCLES OF MATTER

What are the four materials that cycle through ecosystems? (pg.54)

• Water, Carbon, Nitrogen, Phosphorus

• Oxygen, Hydrogen, Sulfur, Calcium

• Iron, Magnesium, Potassium, Sodium

• Zinc, Copper, Lead, Mercury

What are the three processes of the movement of the water cycle? (pg.54)

• Evaporation, Condensation, Precipitation

• Transpiration, Infiltration, Runoff

• Sublimation, Deposition, Freezing

• Melting, Boiling, Condensation

What is the by-product of photosynthesis? (pg.59)

• Oxygen

• Carbon Dioxide

• Glucose

• Water

The interaction of the carbon and oxygen cycles is one example of a relationship between what?

• Biogeochemical cycles

• Weather patterns

• Ocean currents

• Mountain formations

What happens when carbon is found in fossil fuels? (pg. 60)

• It is released as carbon dioxide when burned.

• It remains unchanged.

• It turns into water.

• It becomes a renewable resource.

What is the primary source of oxygen in Earth’s atmosphere?

• Photosynthesis by plants

• Volcanic eruptions

• Respiration by animals

• Decomposition of organic matter

What happens when fossil fuels is burned? (pg. 61)

• It releases energy and carbon dioxide.

• It produces water and oxygen.

• It creates renewable energy.

• It absorbs carbon dioxide.