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- Grade Range
- 3rd - 5th
- Rating
Students gather evidence to explain that organisms in an ecosystem are tied together by their need for energy. They see that decomposers break down dead organisms and wastes and release the nutrients they contain into the soil, Full Review »
- Grade Range
- 4th
- Rating
Students distinguish between acquatic and terrestrial organisms. They label animals as producers, consumers, and/or decomposers. Full Review »
- Grade Range
- Kindergarten - 3rd
- Rating
Students explore some of the organisms that carry out decomposition. They observe a small compost sample under the microscope and identify the organisms with a field guide. They discuss what would happen in the world if there were no decomposers. Full Review »
- Grade Range
- 7th - 12th
- Rating
Students identify the roles that producers, consumers and decomposers play in various ecosystems. They sort different organisms according to the roles they play. Full Review »
- Grade Range
- 6th
- Rating
Students investigate the decomposing ability of microorganisms by constructing a decomposition chamber and observing/recording the changes that take place in one month. Full Review »
- Grade Range
- 3rd
- Rating
Students examine decomposers and their role in food chains. They create two decomposing chambers to observe soil decompostion in progress. They also discover how important decomposers are to the creation of soil. Full Review »
- Grade Range
- 1st
- Rating
Students identify objects in the classroom that decompose over time. They draw a picture of what objects are left. They practice using their critical thinking skills as well. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students describe the role of decomposer organisms in nutrient recycling. They realize the importnace in maintaing the flow of energy through an ecosystem. They describe the physical conditions that are favorable or unfavorable to microbial decomposers. Full Review »
- Grade Range
- 3rd - 5th
- Rating
Students review food chains and food webs by viewing a teacher created PowerPoint presentation. Students draw a food chain for killer whales. They create a food web that includes listed animals. On the worksheet, students write about the decomposer's position in a food web. Full Review »
- Grade Range
- Kindergarten - 1st
- Rating
Students decompose a single digit number in order to know that numbers represent values. They list various ways to make a number using double sided red/white disks. They explain the various combinations they came up with while decomposing the number given to them. Full Review »
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