LT -1 Put the following answer choices on the board: A. B. C. D. Combustion Decomposition Photosynthesis Respiration 1. What short cycle carbon processes removes CO2 from the atmosphere? C 2. Which short cycle carbon process involves breaking down complex compounds into simple atoms and molecules? B 3. Which process is not involved with the biological short cycle? A 4. Which short biological cycle processes add CO2 to the atmosphere? B, D 5. During this short cycle process, simple molecules are recombined to form sugars and starches. C 6. Name 3 places carbon is found? a. Atmosphere, plants, oceans, earth’s crust, animals, soil 7. What are ingredients plants use to make food? a. Water, sunlight, CO2 8. What is the process by which organisms convert organic material (food) into energy using oxygen and releasing CO2? a. Respiration 9. Decomposers help break once living organism back into _________. a. Carbon LT – 2 Put the following on the board: A. Carbon Dioxide B. Oxygen C. Soil D. Sunlight E. Water 1. Besides water, what other matter is need for a plant to make food? A 2. What energy does a plant use to make food? D 3. Although all are important to a plant, which accounts for most of the mass of a plant throughout its lifetime? A 4. When a plant photosynthesizes, what is released as a by-product? B 5. When a plant respires, what is released as a by-product? A Put the following answer choices on the board A. B. C. D. E. 1. 2. 3. 4. 5. 6. 7. 8. 9. Carbon (C) Oxygen (O) Hydrogen (H) Sulfur (S) Nitrogen (N) Which elements could be recombined chemically during photosynthesis to form different substances? (H20 + CO2 + sunlight)? A, B, C Which three elements make up glucose molecules? A, B, C Which three elements make up fructose molecules? A, B, C Which three elements make up cellulose molecules? A, B, C As carbon moves through the carbon cycle, how is the carbon changed physically or chemically? Chemically Where does most of the matter that makes up a plant come from? a. Carbon dioxide Plants release oxygen as a byproduct of ______________. a. Photosynthesis Plants reduce _____________ in the atmosphere. a. CO2 Plants can convert light energy to ____________ energy. a. Chemical LT - 3 Put the following on the board: A. Combustion B. Diffusion C. Weathering 1. Which delayed cycle process involves the movement of CO2 into the ocean? B 2. Which delayed cycle process has to occur before carbon atoms locked away in shells and rocks can be released into the atmosphere? C 3. Which delayed cycle process is involved with burning fossil fuels? A 4. Which delayed cycle process has been accelerated by human activity? A A. Carbon sink B. Carbon source 1. animals B 2. plants A 3. ocean A 4 acres of trees A 5. fossil fuel deposits A 6. volcanoes B 7. decomposers B 8. deforestation B LT 4 1. What type of gases trap heat in the atmosphere, acting like a blanket around the Earth? • Greenhouse gases (methane, water vapor, carbon dioxide, nitrous oxide, CFC’s) 2. From what source do scientists collect their data when researching ancient climates? • Ice cores 2. The rise of CO2 in the atmosphere comes from humans burning what energy source? • Fossil fuels 3. Discounting the fluctuations caused by seasons, what trend has occurred concerning the amount of CO2 in the atmosphere in the last 100 years? • Increasing/ rising