Curated OER
Does Size Matter?
Students explore chemical solutions. For this chemistry lesson, students investigate the relationship between three related experiments about solutions. Students determine variables that affect the chemical concentration of each solution.
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The Exceptional Nature of Cellulose
Students observe the affects of a substance's composition and structure have on its solubility. In this cellulose lesson students compare the amount of energy required to dissolve mono-saccharides with that required to dissolve...
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Molecular Explorations
Pupils explain the processes for separating DNA from tissue and separating complex mixtures. In this exploratory lesson students complete a lab where they extract DNA.
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Products Made from Petroleum
Students research products made from petroleum. In this transportation lesson students try to find products other than fuel, made from petroleum. They look for the most unusual or surprising products and describe the history and...
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Tree Inventory and Map Project
For this tree inventory and map project worksheet, learners follow the directions on how to take inventories of trees and create a map from it. Students follow 4 sets of directions.
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Wetland Inventory and Map Project
For this wetlands inventory and map project worksheet, students do research on the wetlands and complete a map project about it. Students follow 6 sets of directions with Internet links.
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Investigating the Soil
Students explore the Earth's crust by researching pH levels and acidity. In this environmental safety lesson, students identify the pros and cons of acidity within soil and how it affects plants. Students collaborate in a pH level...
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De-composers - Terrarium
Students explore the environment by building a mock ecosystem. In this rainforest analysis lesson, students define many environmental and rainforest related vocabulary terms and discuss the current status of our planet's rainforests....
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Electric Field Mapping in 3D
Students create a 3D vector field map of an electric field. In this physics activity, students measure the voltage inside an aquarium with water. They present their findings and map to class..
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DNA Isolation from Onion
Students apply measurement skills using the metric system. They explain the process of isolating DNA from other cell contents. They apply knowledge of cell structure to explain the process of isolating DNA.
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Effects of Nitrate and Phosphate Changes on the Growth of Algae
Learners determine the effects of an increase of the amount of nitrate and phosphate levels on the growth of algae. the development of a hypothesis is encouraged and students proceed to a conclusion based on their results.
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ISOLATION OF DNA FROM ONION
Learners perform a lab in which they extract DNA from onion cells. Students break through the cell and nuclear membranes and then break down the protein that the DNA is wrapped around.
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DNA Isolation
Pupils use scientific methods to investigate the concept of DNA. They observe the DNA of human cheek cells. This is done with the use of a lab experience. Students record their observations and reflect upon on how each organism is unique...
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Exploring With Photograms
Young scholars observe the interaction between energy absorbed, reflected or transmitted through an object in a photochemical process with a classroom demonstration.
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Microbial Spoilers: The Impact of Microorganisms on the Shelf-life of Milk
Pupils are inroduced to a commonly used microbial culturing technique. They explore the role of microorganisms in determining the shelf-life of food products.
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pH Potential
Students experiment to determine the positive and negative impacts of human activities on environmental change. They examine how physical and biological processes such as decomposition affect soil characteristics while looking at the pH...
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Emerging Viruses
Young scholars study the characteristics of living things and explore the characteristics of viruses including their structure, function, and reproductive cycles. They also explore the impact of viruses on human health by discussing...
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Mixtures as Solutions or Colloids and the Tyndall Effect
Students classify mixtures as solution or colloids by virtue of the Tyndall Effect. They make a cone and tape to fit over the lens of the flashlight. They turn out the lights in the room and shine the flash light at each of the jars and...
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The Perils of Drinking Water
Learners determine the presence of drugs in water. In this chemistry lesson, students experiment on water samples using thin layer and column chromatography. They determine the concentration of drugs present using graphical analysis.
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Organs to Go...
Students explain the principles of experimental design and reinforce the steps of the scientific method. Each group of students create a "slush" type mixture to store a chicken liver.
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Serial Dilution of CuSO4 and Changing the Value of Paint
Learners relate solution concentration and saturation to color and compare methods of changing value and color intensity with paint solutions.
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Isolation of Synthetic Chemicals from Plant Leaves
Students isolate and identify a dye, which represents a synthetic pesticide, from plants.
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Introduction to Gas Chromatography
Students analyze gas chromatograms and suggest various applications for gas chromatography.
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Plant And Animal Cells
Students identify parts of plant and animal cells and describe the functions of each part. They distinguish between plant and animal cells. After a lecture/demo, students perform experiments which help them construct models of plant and...
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