Biology Junction
Macromolecules
In chemistry, organic means something contains a carbon base. A helpful presentation starts by defining macromolecules as large organic carbon molecules. Scholars answer questions about each topic on the associated worksheet. It covers...
Science-Class.net
Rock Candy Crystals
Candy is one of my favorite words, and it's an even better word when it relates to science. Yes, candy science can happen when you grow rock candy crystals with your class. The entire process for growing these edible wonders of nature is...
Curated OER
Gas Transport
In this biology worksheet, students examine the transport of gases in the circulatory system and how they bond to hemoglobin.
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Stalactites And Stalagmites
Students conduct a scientific investigation about the formation of stalactites and stalagmites. They conduct an experiment to reproduce them in the lab environment. Students make observations over a period of time in order to see the...
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Organic Chemistry-Understanding Organic Reactions
In this organic reactions activity, students are given descriptions of the seven types of reaction of organic compounds. They then answer six questions about these reactions.
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Molecular Models of Functional Groups
In this molecular model activity, students use a molecular model kit to construct 13 different molecule models. After constructing the molecules, the students complete 32 short answer questions.
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Making Molecular Models
In these creative hands-on activities, students construct several different molecular models that represent substances that play an essential role in our nutritional needs. Using gum drops and toothpicks, students design the models....
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Mixing in the Kitchen
Students identify the different types of mixtures. They identify examples of solutions, suspensions, colloidal dispersions, and emulsions through a game and basic experiments.
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The Ins and Outs of Equilibrium
In this equilibrium worksheet, students read about phase equilibrium and dynamic equilibrium. They answer nine questions based on their reading and their background in chemistry.
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Polymers-Greaaaaaat Biiiiiig Molecuuuuuules
Learners explore polymer properties. In this lesson about polymers, students perform an experiment to understand polymers, their properties, and that they are formed from small molecules. Learners role play pretending they are polymer...
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Genetically Engineered Food: Altering the Blueprint
Students explore the genetic engineering of food. In this health lesson students explain how DNA technology can be used to produce food.
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Crystals
Fourth graders use mucilage glue and magnesium sulfate to make crystals. They mix the ingredients, place a drop on a glass slide and observe the forming crystals.
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Mountains of Erosion
Students study the change in land formations due to water erosion. They work in groups to build a model of a mountain that will be composed of materials that will best withstand water erosion.
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Observing the Effect of a Change in Conditions on a System at Equilibrium by Applying Le Chatelier's Principle
Students describe the Le Chatelier Principle. They participate in an experiment in which they observe the changes in an equilibrium system. They answer discussion questions to end the lesson.
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Solubility Homework Problem Set
In this chemistry worksheet, students write the balanced equation for the reaction and rearrange the potassium expression to solve for x. Then they determine how many grams of silver chromatic can dissolve in a specified amount of sodium...
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The Water Cycle
Pupils develop a better understanding of the need to conserve our renewable resources. In this water cycle lesson students take notes, complete a guide sheet and illustrate the water cycle.
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Disease and Nutrition
Learners study disease and explore how it can be avoided or treated with simple solutions. In this investigative lesson students create a food chart for two weeks for themselves to track and be sure they are getting all the nutrients...
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Microscopes and Crystals
Students observe crystals under the microscope. In this science lesson, students compare how the crystal look like using their eyes, hand lens and microscope. They identify the type of crystal based on the amount of light they allow to...
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Teaching about Rain Storms, Land Use, and Lake Turbidity
High schoolers investigate the impacts of major rainfall and subsequent runoff on turbidity in lakes. They, in groups, develop a presentation of their research and/or write a paper summarizing their investigation.
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When Things Heat Up
Ninth graders investigate relationship between the temperature and concentration of dissolved oxygen in water. They examine how pollution and other natural influences can cause the parameters to change. In groups, 9th graders collect...
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Ions in the Environment
Students explain the importance of the five main biogeochemical cycles. In this chemistry lesson, students discuss how ions are transported in the environment. They design an experiment to collect data on eutrophication.
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A Solution for Moles
Students calculate the concentration of different solutions. For this chemistry lesson, students explain what a solution is. They explain ways to change the concentration of a solution.