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Ammonium Nitrate - Heat of Solution
Students quantify the relationship between temperature, energy and heat
and define an endothermic reaction. They measure the energy change caused by dissolving one mole of ammonium nitrate in water.
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Solubility of Ionic Substances
In this solubility worksheet, students identify substances as either ionic or molecular, define saturated solution and solubility, and calculate concentration of solutions. This worksheet has 7 short answer, 5 fill in the blank, and 27...
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Water Quality
Students use a microcomputer connected to a conductivity probe to measure the total dissolved solids in local area water samples. Students then compare their measurements with others in their class as well as other standard measurements.
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Testing the Waters
Students use test kits to measure the level of chlorine, iron, sulfide, and dissolved oxygen in tap (drinking) water and stream water. They post and evaluate the results of these water quality tests.
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Is Your Water Clean?
Students compare water quality of different sources. They test water samples for odor, phosphates, pH, bacteria, and dissolved solids. they fill out a data table and answer questions about their findings.
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Earth System Science
Students explore the Earth and its ability to support life. They discuss the geosphere and the water cycle and complete the Water Wonders activity. After completing the activity, they respond in their journals and reflect upon the...
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Breaking it Down
Students discover how water expands when frozen during a glacier. In this matter instructional activity, students fill a glass jar with water, leaving no room for air in the jar and place it in the freezer. Students retrieve the...
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Water Walk
Learners follow the appropriate sampling protocol and take two measurements of a local water source. These measurements are Transparency and Temperature. This info about local land use and/or water chemistry issues may require further...
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Ocean Planet: Pollution Solution
Students explore the concept of environmental stewardship. In this science lesson, students investigate the impact of oil spills as they discuss historical spills. Students use problem solving skills to brainstorm clean-up methods.
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Solids, Liquids, and Gases
Students explore solids, liquids, and gasses and categorize and describe the three states of matter. In this chemistry lesson, students categorize items as solid, liquid, or gas based on the definitions given by the teacher. Students...
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Changes of State
Students examine molecules and the changes in energy of a system. In this energy systems lesson students complete a lab activity and describe changes of state.
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Water Ph
Eighth graders study the concepts of acids, bases, salts and neutralization. They discuss steam adoption program, acid rain and other ecological implications. They use indicators to obtain pH values of household chemicals and to...
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Measuring Reaction Rates
In this chemical reaction worksheet, students determine the rate of consumption or rate of production for given reactions. This worksheet has 14 problems to solve.
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Nonmetals
High schoolers research about the chemical processes involved in cave formation. For this chemistry lesson, students draw or find a cave picture with stalagmites and stalactites online. They write a brief caption and share them with the...
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Creating a Pond Habitat
Students create a pond habitat inside and outside their classroom. For this pond lesson plan, students create a habitat with animals, water, and plants in order to create a proper pond habitat.
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Oxidation: How Can It Be Proved?
Students explore the process of oxidation. In this lesson about oxidation, students observe four different demonstrations. Students watch examples of oxidation in order to understand the process. Students discuss the chemical reactions...
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How Strong is the Solution
Young scholars investigate the strength of solutions. For this scientific inquiry lesson plan, students examine various solutions of food color and water as they discover the concentration of the solutions by adding bleach to clear the...
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Shake It Up
Students explore the three types of mixtures through the use of interactive video. They experiment making mixtures using a variety of ingredients, while observing, comparing and contrasting, and identifying the types of mixtures.
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Science Lessons
Tenth graders research about the different cell organelles. In this series of biology lessons, 10th graders compare two allotropes of carbon. They investigate how the rate of reaction is affected by concentration.
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Diffusion of Molecules
Students study the process for diffusion of molecules. In this chemistry instructional activity, students understand molecular movement, develop skills for a chemistry investigation, develop skills in making hypotheses, develop...
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Pauli's Magical Water
Students predict the shape of molecules using VSEPR theory. In this chemistry lesson, students differentiate a polar and nonpolar molecule. They discuss why water's polarity is very important.
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Phases of Matter
Students describe the motion of solids, liquids and gases. In this chemistry lesson, students describe how temperature affect motion of the particles. They determine the physical properties of each phase.
Forest Foundation
Forests, Carbon & Our Climate
To conclude their examination of forest ecosystems, class members consider the role forests play in the carbon cycle and how forests can offset climate change.
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What is Everything Made of?
Students observe a demonstration on how we see space between water molecules. In this experimental instructional activity students discover what elements make up the things around them and discuss what they learned.