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Solubility Equilibria
In this solubility equilibria worksheet, students solve five problems. They calculate concentrations of ions at equilibrium, they determine the effects of adding compounds to a saturated solution and they determine if compounds are more...
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Photosynthesis Explored
Students observe the production of gas as an effect of photosynthesis. In this biology lesson, students perform an experiment with pondweed and make measurements and predictions about photosynthesis and the plant.
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Solutions
In this solutions worksheet, students answer 18 questions about solutions, saturation of solutions, solvents and solubility.
Creative Chemistry
Volumetric Analysis 1 to Make a Standard Solution of Sodium Carbonate
In this volumetric analysis worksheet, learners follow the given directions to prepare a standard solution of sodium carbonate. They later use the prepared solution in a laboratory practical.
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Ocean Microstructure
Students assess the ocean's microstructure by analyzing graphs created during tne Ronald H.Brown research cruise. they discuss at what depths various sea animals live and write paragraphs on data analysis from the graphs.
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Colligative Properties Worksheet
In this solutions worksheet, learners determine the boiling points and melting points of solutions. Students calculate the effective molality of a solute. This worksheet has five problems to solve.
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The Nature of Chemical Change: Acting Out an Example
Learners identify the signs that a chemical reaction took place. In this chemistry instructional activity, students role play the movement of different molecules of matter. They classify matter according to their properties.
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Dust in the Wind; Chemicals in the Water
Students explore mechanical and chemical weathering at stations. They articulate some mechanisms of chemical and mechanical weathering through exploration in a lab. Students stations describe how chemical weathering differs from...
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Sugar Solutions
Seventh graders study biological systems and how they reach equilibrium. In this system balance lesson students divide into groups and complete an osmosis lab activity.
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The Influence of Carbon Dioxide on the Chemistry of Soda
Students investigate the carbon dioxide content of different sodas. For this chemistry lesson, students explain why PET containers are preferable than HDPE for soda bottles. They collect data and graph them.
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Density Of A Material
Students determine the density of a material created in the laboratory and observe physical and chemical changes. They engage in a lab activity, and answer questions on a worksheet imbedded in this plan.
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Basic Vitamins: Water-Soluble and Fat-Soluble
High schoolers examine vitamins and study their functions and food sources. They research what happens to vitamins when foods are overcooked. They prepare a microwaveable vegetable quiche.
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Winogradsky Column Unit
Students are introduced to two changes, physical and chemicl, in order to prepare them to comprehend what changes take place in a Winogradsky Column. They participate in two activities including completion of a worksheet, balloon...
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Structure and Function
Structure and Function
SynopsisStudents choose some biological object, examine its structure, and identify or speculate on one particular function. Next they create a blueprint of the object, focusing on the particular function. Then...
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Hydroponics
Students examine how to grow plants using a hydroponic system. In this hydroponics lesson students identify the advantages and disadvantages of growing plants hydrologically.
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Thin Layer Chromatography (TLC) Separation of Plant Pigments - Chlorophyll, Carotene
Middle schoolers use TLC separations to identify various substances. In this chlorophyll lesson plan students separate pigments found in different plants.
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Thin Layer Chromatography (TLC)
Students study flavinoids and how they exist in the plant kingdom. In this pigment lesson students complete a lab activity to see how flavinoids move in substances then record their observations.
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Crystal Growing
Young scholars explore the different phases of a crystal. In this mineral lesson students grow their own sugar crystals using a sugar recipe.
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Rusting-A Form of Oxidation
Students conduct an experiment to observe oxidation. In this chemistry lesson, students explain how rusting happens. They rank metals according to their conductivity.
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Making Soap
Students explore what chemical indicators are and use pH paper to determine if something is alkaline or basic. In this pH lesson students manufacture their own soap.
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Making Ice Cream
First graders create ice cream in class. In this matter lesson, 1st graders discover solids, liquids and gases and the properties of each. Students produce a batch of ice cream in class using household items.
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Save Your Breath
Students discuss metabolism. In this metabolism lesson, students evaluate evidence form a research report and discuss the basis for hypothetical metabolic adaptations to low-oxygen environments in the anchialine caves.
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The Nature of Chemical Change: Acting Out An Example
Students illustrate the molecular nature of matter and show that chemical change involves alteration of molecules.
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Black Holes Revealed
Students explore the concept of black holes through an interactive program. They explore how they form and what materials form them. They can also visit websites in which they can research radio transmission between the Earth and space.