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The Chemistry of Water
Students investigate the properties of water. In this chemistry of water lesson plan, students observe a demonstration of the properties of water using sand, sugar, oil, vinegar and salad dressing. Students experiment with water, pepper,...
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Ion (Derstand) Bonding through Energy Level Diagrams
Ninth graders investigate ionic bonding through energy level diagrams. In this ion bonding lesson plan, 9th graders observe demonstrations to show energy level diagrams using magnets to represent the subatomic particles. Students fill...
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Tree Birthdays
Students investigate the growth of trees. In this tree growth lesson, students discover that trees make a ring each year they live. Students use new voabulary such as bark, phloem, and cambuim to talk about tree parts. Students create a...
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Rate of Solution
Eighth graders determine the amount of agitation necessary to dissolve various sized sugar particles. This task assess students' abilities to collect, organize, and interpret data, create appropriate graphs, predict future events based...
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Bigger Better Bubbles
Learners research different types of bubble gum and identify the variables in them. In this bubble gum activity students design an investigation to test their hypothesis and graph their data.
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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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Rate of Solvation
Students test factors that may affect the rate at which sugar dissolve in water. They conduct two studies: One is to test the effect of temperature on the rate of solvation and the other is to test a factor which Students come up with...
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CREATE A CAVE
Students investigate the concept of caves by conducting an experiment. The instructional activity contains background information for the teacher. They collect data while making observations and write a review of the concept once the...
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Experimenting with Physical Changes
Fourth graders explore physical changes. They discuss that physical change is a change in size, shape, or state of matter of a substance. Students explore what change takes place when two substances can dissolve each other. They observe...
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Milk Makes Me Sick
Learners experiment with lactase to find out how milk sugar is broken down in the body. In this enzyme lesson, students use glucose strips to investigate the breakdown of lactose into glucose and galactose for milk digestion in the human...
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Rate of Solution Demonstration
Pupils explore the factors that can increase the rate of dissolution for a solid. They complete a laboratory exploration in which they compare the dissolution rate of a whole sugar cube to that of a crushed sugar cube in a variety of...
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Yellow Pod
Students use appropriate skills to design and conduct scientific investigation. They sort and classify various ingredients and analyze their investigation. Finally, students describe the observable states of matter, bot solids and liquids.
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Properties of Ionic and Covalent Compounds
Test six various reagents for their ability to conduct electricity. Cooperating chemists research whether each is ionic or covalent and discover the relationship between bonding and conductivity. This laboratory exercise would be an...
American Chemical Society
Matter on the Move
Start this mini unit on matter out by demonstrating how food coloring behaves when placed in cold and in hot water. Then have the class experiment with warm water and soap film. Pupils will learn that an increase in thermal energy also...
It's About Time
More Chemical Changes
Generate entertainment by assisting students in creating multiple chemical changes during the course of small experiments integrated into one packed lesson. Individuals observe examples of chemical changes as they occur and gather data...
Nuffield Foundation
Enzyme-Catalysed Synthesis
Enzymes: not just for breaking chemicals apart. Young biologists perform an experiment on potatoes. They first remove starch from potato extract. They then add the resulting liquid to samples of glucose-1-phosphate, glucose, maltose, and...
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What Are The Properties of Sea Water?
Ninth graders conduct research on the subject of sea water. They use a variety of resources to obtain information. There are helpful resource links listed in the lesson plan. In conjunction with the research students make inquiry of the...
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Heat Loss and Gain in Physical Changes and Chemical Reactions
Young scholars measure the heat of physical and chemical changes in reactions. In this chemistry lesson students determine at what extent changes emit or absorb heat.
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Filter It!
Elementary schoolers who are learning about filtration and mixtures could use this instructional activity to gain practice in filtering techniques. In it, they are asked how to manipulate a container in a way that would lead to properly...
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Bhopal - Rate of Reaction
Learners determine that the rate of reaction is affected by temperature, surface area, concentration of reagent, and addition of a catalyst or inhibitor. They observe that on December 3rd, 1984, 8000 people died when the chemical plant...
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Solution Shapes
In this solutions worksheet, learners soak a pipe cleaner in hot water and a supersaturated solution of 20 Mule Team Borax. Students leave their pipe cleaner in the solution for 30 minutes and then observe. They put it back in over night...
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Alka-Seltzer Cannons
Fourth graders observe what is happening when an Alka-Seltzer tablet is placed in a clear cup of water. They observe the release of carbon dioxide gas. Pupils answer the question of how much as is released by observing the experiment...
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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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Solution Shapes
Eighth graders examine different solutions. In this solution material instructional activity students complete a lab activity and several worksheets.