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Ionic and Covalent Bonds

For Students 9th - 11th
Ionic and covalent bonds are the focus of this chemistry activity, which provides students with eighteen key terms to use in a fill-in-the-blank activity. Additionally, students are prompted to write the number of atoms in four given...
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Limiting Reactant

For Students 10th - 12th
For this chemistry worksheets, students calculate the amount of reactants and products are produced by the given equations. Students also calculate the number of moles as well as the mass of the given compounds.
Lesson Plan
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Practice Test Chapter 12: Energy Changes in Chemical Reactions

For Teachers 10th - 12th
In this chemistry practice test worksheet, young scholars review their knowledge of energy changes in chemical reactions as they answer 17 multiple choice and short answer questions.
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Qualitative Analysis and Ksp Calculations

For Teachers 10th - Higher Ed
In this compounds worksheet, students determine which anion is present in solution from the results of testing with various reagents. Students compare the solubility of different compounds in water. This worksheet has 7 fill in the blank...
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WS 8.9 Presentation Questions

For Teachers 9th - 11th
In this mixtures worksheet, students answer twenty three questions about student presentations on topics such as amalgams, homogenized milk, antifreeze and coolants, soaps and detergents and water softeners.
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Let it Grow

For Teachers 3rd
Third graders observe plants and seeds. In this lesson, about growth, 3rd graders analyze seeds to understand how plants grow. Students water and maintain the seeds and record observations. Students will complete three activities during...
Lesson Plan
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Does Size Matter?

For Teachers 6th - 8th
Students explore chemical solutions. In this chemistry activity, 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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Activity #17 Liquid Density and Temperature

For Teachers 6th - 8th
Students comprehend that hot water rises up through cold water but cold water does not rixe in hot water. They comprehend that water at temperatures above 4oC decreases in density with increases in temperature. Students answer lab...
Lesson Plan
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How Big is a Molecule?

For Teachers 9th - 12th
Students estimate the size of a molecule of oleic acid. They conduct an experiment using chalk dust, water, and oleic acid, solve various calculations, and answer discussion questions.
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Activity # 13 Float or Sink?

For Teachers 4th - 8th
Students have seen that solids, which are more dense than a liquid, that sinks in that liquid and solids, which are less dense than a liquid, that floats on that liquid. They use a metal boat to float in water. Pupils comprehend that...
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Activity #15 The Cartesian diver

For Teachers 4th - 8th
Students comprehend that the Cartesian diver is a dropper and the water and air inside it. They vary the volume of the air and the amount of water, the diver can be made to be either more or less dense than water. Pupils squeeze the...
Lesson Plan
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Activity #16 Dancing Spagehetti

For Teachers 4th - 8th
Learners experiment with floating the spaghetti, the gas functions like a life preserver. Pupils comprehend that a person is slightly more dense than water. They comprehend that a life preservers are made of low-density materials. The...
Lesson Plan
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Seltzer Breath

For Teachers 9th - 12th
Students investigate "indicator" (Bromothymol Blue or BTB) to test for the presence of certain chemicals in liquids and gases. They compare distilled water and seltzer water for presence of carbon dioxide.
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Activity #19 The Density of Alka Seltzer Gas

For Teachers 6th - 8th
Students (teachers) complete the activity, they should not come in contact with Alka-Seltzer. They comprehend that the density of a gas can be calculated from its mass and volume. Pupils calculate the volume of gas generated by...
Lesson Plan
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Science Lesson Plans

For Teachers 10th - 12th
Learners conduct a variety of exploration activities on various science topics. For this science lesson outline, students design a cell encapsulation to hold a specific type of medicine. They give examples of physical and chemical...
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Soda Bottle Boat

For Teachers 4th - 5th
Students explore chemical reactions. In this chemical reaction lesson, students conduct an experiment observing chemical reactions.
Worksheet
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Phase Changes

For Students 9th - 12th
In this science activity, learners examine the physical changes associated with the change of temperature and mixtures. The answers are included.
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Chemical Equilibrium

For Teachers 6th - 8th
Students explore Le Chatelier's Principle. In this lesson about chemical equilibrium, students do an experiment with several different activities . Students observe as they do the experiments and understand the outcome. Students become...
Lesson Plan
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Burning Snacks in Chem Lab

For Teachers 9th - 12th
Students determine the energy content of various snack foods. They measure the temperature changes in various snack foods as the foods are burned in order to determine the foods' energy content. Students create graphs and data tables of...
Lesson Plan
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Acid Rain

For Teachers 9th - 12th
Students investigate the effects of acid rain. The lesson plan contains a lab background for the teacher to use before the implementation of the lesson plan. They conduct an experiment to collect data and then report the results of the...
Worksheet
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Cloud Seeding

For Students 6th - 9th
In this rain worksheet, students read about how clouds are seeded to produce rain and the substances used for cloud seeding. Then students complete 3 short answer questions.
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To Smell or Not to Smell, That is the Ester

For Teachers 9th - 12th
Students explain the basic concepts of polymerization. Students participate in a lab to create a crude preparation of carboxyl esterase and test its effectiveness in reducing the residual monomer in an emulsion such as paint.
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Types of Reactions (Demonstration)

For Teachers 9th - 11th
Students visually observe chemical changes that occur when various solutions are combined. Teacher explains chemical reactions that are happening.
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Chemical Changes

For Teachers 6th
Sixth graders explore chemical and physical changes. In this lesson about chemical changes, 6th graders observe various items and changes that occur at certain times. Students determine what change took place and observe the change....

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