Curated OER
TE Activity: How Fast Can a Carrot Rot?
Learners 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...
TeachEngineering
Teach Engineering: How Fast Can a Carrot Rot?
Students conduct experiments to determine what environmental factors favor decomposition by soil microbes. They use chunks of carrots for the materials to be decomposed, and their experiments are carried out in plastic bags filled with...
TeachEngineering
Teach Engineering: Dirty Decomposers
Students design and conduct experiments to determine what environmental factors favor decomposition by soil microbes. They use chunks of carrots for the materials to be decomposed, and their experiments are carried out in plastic bags...
PBS
Pbs Teachers: Soil in the Amazon
Compare plants grown in simulated Amazon soil to those grown in soil prepared by the slash-and-burn method. Describe leaf development in plants grown in different soils and chart, average and graph plant growth by height
PBS
Pbs Teachers:levels of Life: Interrelationships in the Rainforest
Research a plant or animal from the rainforest, identify its physical location within the rainforest and contribute information about that organism to a group project on rainforest habitats.