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Backyard Bacteria
Learners experiment with different bacterias that they found and make predictions of their growth. In this investigative lesson plan students use petri dishes to grow their bacteria then summarize what has happened.Â
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Composting Leftovers
In this composting leftovers worksheet, students set up an experiment with food waste and soil, observing and recording the differences for two weeks.
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Rotten Truth
Students complete activities to study decomposition. In this decomposition lesson, students work in pairs to observe a decay buffet experiment. Students keep compost bag journals. Students define and discuss the process of decomposition.
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The Rotten Truth: Healthy Food from Healthy Soil
Students investigate methods of decomposition in order to make compost. In this decomposition science lesson, students set up compost bags using food and materials which decay over time. The initial lesson is approximately 30 minutes,...
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Look At A Landfill
Students explore how landfills function. In this landfill lesson, students explore the use of landfills and the decomposition process by creating a model landfill. Students discuss pros and cons to landfills and how potential problems...
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Testing for Catalase Activity
In this catalase activity, students read about how enzymes work in cells. Then students conduct an experiment to test for catalase activity in potatoes. This activity has 1 graph and 6 short answer questions.
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Standard Written Method For Subtraction
In this subtraction worksheet, learners solve 9 subtraction problems involving double-digit numbers. Students put their answers below each problem.
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Mathematics of Image Processing Project
For this image processing worksheet, students complete 4 steps related to image processing. First, they work in teams of 2-3 and create a hard copy report and documented m-files. Then, students try compression at various quality levels...
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Linear Systems: Applications of Eiginvalues
In this Eigenvalue and Eigenvector worksheet, students examine the applications of matrix exponentiation. This four-page worksheet provides explanations and examples, as well as three problems to complete.
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Linear Systems: Applications of Eigenvalues and Eigenvectors
In this Eigenvalue activity, students examine the applications of matrix exponentiation. This four-page activity contains examples, explanations and approximately three problems to complete.
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Energy Resources Scavenger Hunt
In this environment activity, learners complete each of the statements with its correct energy resource. They identify and name various types of plants and rocks. Students also identify and explain how fertilizer works and how it can be...
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Fossil Fuel Scavenger Hunt
In this earth science worksheet, students complete each of the statements with the correct fossil fuel. They identify when and where electricity first became available. Students also define fossil fuels and where they first got their...
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The Nitrogen Cycle
Fifth graders investigate the nitrogen cycle and examine the concepts of decomposition and nitrification. Students participate in a class discussion about the creation of waste and ammonia compounds, then using nitrogen cycle cut-outs...
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Dirty Decomposers
Seventh graders design and conduct experiments to determine what environmental factors favor decomposition by soil microbes. They use chunks of carrot for the materials to be decomposed, and their experiments are carried out in plastic...
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Activity #19 Oxygen For Yeast
Students observe and record what occurs when yeast is added to hydrogen peroxide. They indicate why a chemical reaction (decompostion) must have occurred during the experiement. Pupils explain why yeast was used. Students comprehend the...
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Down the Drain
Young scholars explore what problems might occur if oxygen decreases in a body of water. They model what happens in a situation where decomposition is occurring. Students obtain, organize, graph, and interpret information. They i...
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Rate of Decomposition
Students experiment with the decomposition rate of garbage. They discover that environments are fragile and need to be protected and resources are not always used wisely. They then think about their own environment and then about the...
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Forest Floor Terrarium
Learners study the aspects of a forest floor ecosystem, including decomposition, the water cycle, food webs, the needs of living things, and physical vs. chemical change over an extended period. In addition, students conduct observations...
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Environment: Banana-in-a-Jar Experiment
Students conduct experiments using bananas sealed in jars to observe the effects on biodegradable waste in landfills. They cover the lid with a plastic sandwich bag to create an airtight seal. Students observe how the oxygen is used...
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TE Activity: How Fast Can a Carrot Rot?
Young scholars experiment to define which environmental factors favor decomposition by soil microbes. They decompose carrots in dirt, weigh the carrots periodically to determine how long it takes. They look at how engineers use this type...
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Decomposition, Soil, and Life Cycle Research
Pupils conduct background research on the decomposition process, soil composition, and the life cycle using the resources provided for Internet searches. They work in collaborative groups to research topics as a particular plant, soil...
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Vermicomposting
Third graders study vermicomposting. In this vermicomposting lesson, 3rd graders prepare to begin a unit on decomposition by constructing a worm bin. Students collect worms to be used later in experiments.
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Stoichiometry
For this stoichiometry worksheet, high schoolers calculate balance the chemical equations and then calculate the moles needed to complete or activate the chemical reaction. Students also calculate the volume or grams needed for each...
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Stoichiometry Homework: 3
In this stoichiometry learning exercise, students balance chemical equations. Students apply the concepts of stoichiometry to solve for each problem provided.