Curated OER
Case of the Missing Pumpkin
Students explore the process of decomposition. In this science lesson, students carve a pumpkin and observe as it decomposes. Students compare the changes to an uncarved pumpkin. Students write about the disappearing pumpkin.
Curated OER
Buried Treasure
Students examine the role of micro and macro organisms in the decomposition process. They record their observations and discuss. They also read a book about decomposition.
Curated OER
Let's Build a Worm Bin
Students explore the process of decomposition. In this ecology and measurement lesson, students prepare a worm home to be used for vermicomposting. Students weigh a group of worms and the added food, recording this information on a data...
Curated OER
Let's Make a Compost Cake
Students create a compost cake. In this gardening and decomposition science instructional activity, students review and describe the "nutrient cycle." Students create a compost pile, measure and record the dimensions and temperature of...
Curated OER
Layers of the Forest- Leaf Litter
Students conduct an experiment. In this temperate forest lesson, students discuss what kind of animal life can be found in the forest. They read The Magic School Bus Meets the Rot Squad: A Book About Decomposition and complete an...
Santa Monica College
The Composition of Potassium Chlorate
The third lesson in a series of 11 begins by using thermal decomposition of potassium chlorate to determine the mass percent of oxygen. Then a second activity allows scholars to demonstrate that the resulting residue is from a...
Curated OER
Slow Rot or Not?
Fifth graders examine how environmental factors affect decomposition. In this decomposition activity, 5th graders experiment with the decomposition of grapes in five different environmental settings. They look at images of items that...
Curated OER
Decomposition
Learners are introduced to the concept of decomposition. They examine decomposition in their school orchard. They write about their findings in a journal.
Curated OER
Deconstructing, Decomposition and Compost
Pupils create and tend to an outdoor compost pile. They research about decomposition and composting. They create two activities for their peers to complete.
Curated OER
The Nitrogen Cycle
The nitrogen cycle is the focus of a well-designed science lesson. In it, learners see that plants and animals produce waste products and decompose after death. Many of the waste products include nitrogen which is absobed by other...
Santa Monica College
The Properties of Oxygen Gas
Scholars generate and collect pure oxygen through a decomposition reaction of hydrogen peroxide in the fourth lesson of an 11-part series. Then, they complete six investigations into the properties of oxygen.
Beyond Benign
Reactions Lab
You're bound to get a reaction from your classes with this experiment! Scholars perform several chemical reactions, make observations, and classify the reactions as single replacement, double replacement, composition, or decomposition...
K20 LEARN
Untwining And Intertwining: Chemical Reactions
What happened when the chemistry teacher told a bad joke? There was no reaction! A creative take on the traditional reaction types lesson invites learners to draw their own conclusions about how compounds and elements combine. Groups...
Curated OER
De"compost"ition
Students develop an understanding of the decomposition process and the parameters which influence the rate at which it occurs.
Curated OER
Up the Down Tree House
Students investigate the decomposition process. In this ecology activity, students participate in a play, "Up the Treehouse" where the main idea focuses on a decomposing tree and how food chains are effected by decomposition. After the...
SF Environment
Compost Tag
Composting is a great way to get children involved in recycling. First, they discuss how biodegradable products decompose to make compost. Then, they talk about what can and cannot be composted. They play a game similar to around the...
Curated OER
Rotten Truth
Pupils complete activities to study decomposition. For this decomposition lesson, students work in pairs to observe a decay buffet experiment. Pupils keep compost bag journals. Students define and discuss the process of decomposition.
Curated OER
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...
Curated OER
Decomposers- Nurse Logs
Learners investigate temperate forest ecosystems. In this environmental lesson plan, students discover different forms of decomposition and its effect on the environment.
Curated OER
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,...
Curated OER
TE Activity: How Fast Can a Carrot Rot?
Students 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 of...
Curated OER
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...
Curated OER
Forest Floor Terrarium
Students 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...
Curated OER
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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