Curated OER
Chemistry In Plant Nutrition And Growth
Students investigate different factors that affect plant growth. They research the effects of water supply, radiant energy, air temperature, and soil temperature. Students also gather facts that influence plant nutrition that include the...
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Squanto's Science Lesson
Students explore Squanto's contribution to the settlers. They plant seeds and follow instructions for water and fertilization. Students keep a record of the growth of the seeds. They write a paragraph that tells what they learned from...
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Inside the Egg, Hatching Chickens
Students conduct an egg candling activity to show the life inside a fertile egg. Students discuss the needs the egg has of the hen, as well as similarities and differences between plants and animals. Students complete a life cycle wheel...
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Nutrient Enrichment vs. Oxygen Depletion
Pupils investigate how excess nutrients enter a body of water, and the harmful effects they have on aquatic organisms.
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Household Chemicals & the Environment
High schoolers conduct a laboratory experiment designed to investigate the effects of chemicals, soil quality and pollution on seed growth and plant yield. They consider how best to maximize agriculture in the long term.
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Ammonium Nitrate - Is it worth the Risk?
Students consider that ammonium nitrate is used as a fertilizer and an explosive. They study the chemistry of ammonium nitrate and consider the advantages and disadvantages of this compound. The dual nature of Ammonium Nitrate was...
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Non-Point Source Pollution
Learners study non-point source pollution. They research the concept of bio-degradation and/or Nutrients/Fertilizers and discuss how non-point source pollution impacts the environment. Afterwards, they participate in an interactive...
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Natural Gardening
Students study the effect of pesticides on plants and insects. In this gardening instructional activity, students discuss the importance of insects. They define pesticides, evaluate their effectiveness and the problems they might...
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Soil Erosion
Second graders complete activities to observe the effects of erosion. In this erosion lesson, 2nd graders define erosion and learn the process. Students complete an erosion experiment.
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Necessary Nitrogen
Students view a video that presents the biogeochemical cycle of nitrogen. They compare types of soils and consider how different fertilizers affect soil composition.
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Experimentation with Teratogens on Zebrafish
Students compare mitosis and meiosis with regard to chromosome number in parent cells versus daughter cells, types of cells produced, total number of cells produced, and the number of divisions. In groups, identify and differentiate the...
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Soil In The Amazon
Students grow plants in soil representing that found in the Amazon basin. They compare results to plants growing in fertile soil and soil fertilized with leaf compost. Students chart, average and graph plant growth by height.
Students...
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Population Growth and Urban Planning
Students discuss the following terms and their definitions: zero population growth, population density, demographics, urban sprawl, census, immigration, migration, infrastructure, population booms, megacities, birthrate, death rate,...
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Infectious Diseases
Eighth graders identify and explain how infectious diseases effect organ systems. Using an analogy with automobiles and body systems, they discover how one part influences the operation of the whole. Students write paragraphs about...
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Demonstrating Erosion in Action
Students easure and record volume of water, then measure and record mass of soil. They explain the effects of the following in controlling erosion: Contouring, cover crop, strip cropping, reforestation, inter-seeding.
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Harbor Estuary
Students study waste and how to eliminate the use of fertilizers. In this estuary lesson students play a pictionary game that helps them to develop a better understanding of an estuary and its issues.
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Natural Selection And Evolution
Students investigate the concept of evolution and how natural selection is used as an indicator that evolution has happened. They recognize the three effects it has on diversity and how adaptations can develop. Diversity is explained as...
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Chemistry And The Nitrogen Cycle
Students investigate the factors that compose the nitrogen cycle. The harmful effects of acid rain and ozone depletion are also discussed in the lesson. Students define the nutrient that is often limiting to plant growth through...
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The Relationships and Cultural Exchanges Between Native Americans and the Hudson's Bay Company at Fort Vancouver
Students are introduced to the geography of the Columbia River basin and its history. Using the internet, they research the relationships between the Native Americans and the Hudson Bay Company. They also discuss the effects on the...
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Erosion
Pupils discover the meaning of the word erosion and discuss effects of rocks and sticks upon the soil. They then work in small groups to construct a model of erosion to make observations and then write them in their science journals.
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Rain Garden
Students build rain gardens. In this community service lesson, students study the effectiveness of rain gardens in allowing water to run off. Students build a community rain garden at their school.
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Eat Your Flowers
Students grow flowers in different soil mediums to determine the effect on flavor. In this investigative lesson students study flowers, plant them and taste them to see how they differ in different potting soils.
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Investigate Factors Affecting Nitrates in Groundwater
High schoolers participate in an experiment in which they investigate the factors affecting the levels of nitrates in groundwater. Using examples, they explain the nitrogen cycle and identify the sources of chemical nitrogen...
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Field Experiments on Succession
Student develop a hypothesis regarding the effects of either mowing or fertilizer upon the diversity of plant species in a grassland ecosystem. They set up experiment field plots and measure species richness.