1. Big Idea What relationships exist between living things and the environment? What relationships exist between living things and the environment?

2. Cycles of Matter Chapter 10, Section 5

3. Standards S.6.5.b Students know matter is transferred over time from one organism to others in the food web and between organisms and the physical environment.

4. Key Questions What kinds of questions can you ask based on looking at this picture?

5. Key Questions What kinds of questions can you ask based on looking at this picture?

6. Key Questions What kinds of questions can you ask based on looking at this picture?

7. Key Questions SWBAT describe the processes that are involved in the water cycle. SWBAT describe the processes that are involved in the water cycle. SWBAT explain how carbon and oxygen are recycled in ecosystems. SWBAT explain how carbon and oxygen are recycled in ecosystems. SWBAT describe the nitrogen cycle. SWBAT describe the nitrogen cycle.

8. Nitrogen Fixation The process of changing free nitrogen into a usable form of nitrogen.

9. Law of Conservation of Energy Energy can be neither created nor destroyed, but can change form. Energy can be neither created nor destroyed, but can change form. For example, chemical energy can be converted to kinetic energy in the explosion of a stick of dynamite. For example, chemical energy can be converted to kinetic energy in the explosion of a stick of dynamite.

10. Nitrogen Fixation The process of changing free nitrogen into a usable form of nitrogen. Nitrogen in the atmosphere is broken down to be used by plants in the soil.

11. The Water Cycle The process of evaporation, condensation, and precipitation make up the water cycle.

12. The Carbon Cycle In ecosystems, the processes by which carbon and oxygen are recycled are linked. Producers, consumers, and decomposers play roles in recycling carbon and oxygen.

13. The Carbon Cycle 1. Producers take in carbon dioxide from the air.

14. The Carbon Cycle 1.Producers take in carbon dioxide from the air. 2.The carbon is used to make food molecules for the plants – sugars and starches.

15. The Carbon Cycle 1.Producers take in carbon dioxide from the air. 2.The carbon is used to make food molecules for the plants – sugars and starches. 3.Consumers eat plants, taking in carbon.

16. The Carbon Cycle 1.Producers take in carbon dioxide from the air. 2.The carbon is used to make food molecules for the plants – sugars and starches. 3.Consumers eat plants, taking in carbon. 4.Consumers break down food molecules, releasing carbon dioxide.

17. The Carbon Cycle 1.Producers take in carbon dioxide from the air. 2.The carbon is used to make food molecules for the plants – sugars and starches. 3.Consumers eat plants, taking in carbon. 4.Consumers break down food molecules, releasing carbon dioxide. 5.Decomposers also break down consumers and producers to carbon compounds.

18. The Oxygen Cycle Oxygen cycles through ecosystems, just like carbon. 1. Producers release oxygen as a result of photosynthesis.

19. The Oxygen Cycle Oxygen cycles through ecosystems, just like carbon. Producers release oxygen as a result of photosynthesis. Most organisms take in oxygen from the air or water and use it to carry out their life processes.

20. The Human Impact Humans affect the levels of carbon and oxygen in the atmosphere. By cutting trees, there is less oxygen and more carbon dioxide in the atmosphere. Carbon dioxide is a greenhouse gas. This means that this can lead to a warming of the atmosphere.

21. The Nitrogen Cycle In the nitrogen cycle, nitrogen moves from the air to the soil, into living things, and back into the air.

22. The Nitrogen Cycle Most organisms can use nitrogen only once it has be “fixed,” or combined with other elements.

23. The Nitrogen Cycle Most organisms can use nitrogen only once it has be “fixed,” or combined with other elements. 1. Most nitrogen fixation is performed by certain kinds of bacteria. They live in bumps on the roots of certain plants like beans, peas, alfalfa, and peanuts.

24. The Nitrogen Cycle Most organisms can use nitrogen only once it has be “fixed,” or combined with other elements. Most nitrogen fixation is performed by certain kinds of bacteria. They live in bumps on the roots of certain plants like beans, peas, alfalfa, and peanuts. These plants are called legumes.

25. The Nitrogen Cycle Most organisms can use nitrogen only once it has be “fixed,” or combined with other elements. Most nitrogen fixation is performed by certain kinds of bacteria. They live in bumps on the roots of certain plants like beans, peas, alfalfa, and peanuts. These plants are called legumes. 3. The relationship between the bacteria and the legumes is an example of mutualism. 4. Producers use nitrogen in the soil to build proteins.

26. Key Questions What processes are involved in the water cycle? What processes are involved in the water cycle?

27. Key Questions What processes are involved in the water cycle? What processes are involved in the water cycle? The processes of evaporation, condensation, and precipitation make up the water cycle. The processes of evaporation, condensation, and precipitation make up the water cycle.

28. Key Questions What processes are involved in the water cycle? What processes are involved in the water cycle? The processes of evaporation, condensation, and precipitation make up the water cycle. The processes of evaporation, condensation, and precipitation make up the water cycle. How are carbon and oxygen recycled in ecosystems? How are carbon and oxygen recycled in ecosystems?

29. Key Questions What processes are involved in the water cycle? What processes are involved in the water cycle? The processes of evaporation, condensation, and precipitation make up the water cycle. The processes of evaporation, condensation, and precipitation make up the water cycle. How are carbon and oxygen recycled in ecosystems? How are carbon and oxygen recycled in ecosystems? In ecosystems, the processes by which carbon and oxygen are recycled are linked. Producers, consumers, and decomposers play roles in recycling carbon and oxygen. In ecosystems, the processes by which carbon and oxygen are recycled are linked. Producers, consumers, and decomposers play roles in recycling carbon and oxygen.

30. Key Questions What processes are involved in the water cycle? What processes are involved in the water cycle? The processes of evaporation, condensation, and precipitation make up the water cycle. The processes of evaporation, condensation, and precipitation make up the water cycle. How are carbon and oxygen recycled in ecosystems? How are carbon and oxygen recycled in ecosystems? In ecosystems, the processes by which carbon and oxygen are recycled are linked. Producers, consumers, and decomposers play roles in recycling carbon and oxygen. In ecosystems, the processes by which carbon and oxygen are recycled are linked. Producers, consumers, and decomposers play roles in recycling carbon and oxygen. What is the nitrogen cycle? What is the nitrogen cycle?

31. Key Questions What processes are involved in the water cycle? What processes are involved in the water cycle? The processes of evaporation, condensation, and precipitation make up the water cycle. The processes of evaporation, condensation, and precipitation make up the water cycle. How are carbon and oxygen recycled in ecosystems? How are carbon and oxygen recycled in ecosystems? In ecosystems, the processes by which carbon and oxygen are recycled are linked. Producers, consumers, and decomposers play roles in recycling carbon and oxygen. In ecosystems, the processes by which carbon and oxygen are recycled are linked. Producers, consumers, and decomposers play roles in recycling carbon and oxygen. What is the nitrogen cycle? What is the nitrogen cycle? In the nitrogen cycle, nitrogen moves from the air to the soil, into living things, and back into the air. In the nitrogen cycle, nitrogen moves from the air to the soil, into living things, and back into the air.

32. Homework Workbook 10, Section 5 Workbook 10, Section 5