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How is the Strength of an Acid Determined?
Students study acids and how they can be measured. In this acid lesson students distinguish the properties that create strong and weak electrolytes.
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Activity #8 Simulation of Oil Spills
Students conduct an experiment to simulate an oil spill and identify the characteristics of oil in water. They evaluate the effectiveness of various cleanup methods. They discuss the how to clean up an oil spill, and what causes oil...
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Making a Miniature Concrete Girder
In this concrete girder worksheet, students use water, sand, cement and gravel to construct concrete girders. Students vary the proportions of the mixtures and label each concrete girder with the mixture's components.
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DNA Fingerprinting through a Chemistry Lens
Students explore DNA and restriction enzymes using fragments of DNA separated by electrophoresis on an agarose gel. They analyze the results to see "whodunit".
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Density Of A Material
Young scholars 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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Colligative Properties Worksheet
In this solutions worksheet, students 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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Ice Cream Blizzards
Fourth graders explore whether the making of homemade ice cream is a physical change or a chemical change in a lab experiment. Students identify states of matter, describe the physical properties of states, and collect temperature data...
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Density Worksheet
In this chemistry worksheet, students identify and describe that density is the ratio of the mass of the substance to the volume of the substance at a given temperature. They also respond to various questions that refer to density in...
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Ice Cream Chemical and Physical Changes
Fourth graders identify characteristics of a simple physical and chemical change. They describe objects by the properties of the materials from which they are made and that these properties can be used separate. Students describe the...
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Solutions
In this solutions worksheet, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This worksheet has 2 short answer questions and 9 problems to...
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Superballs
Students mix two different solutions to become more familiar with molecules and polymers. For this chemistry lesson, students decide whether or not the reaction between two solutions is chemical or physical. Students then observe the...
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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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Mixtures
Sixth graders experiment with mixtures. In this chemistry instructional activity, 6th graders determine which mixtures are considered heterogeneous, a suspension, a solution or a colloid. Students create a data sheet of what they discover.
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pH Pre-Lab: Acids and Bases
In this chemistry lab, students determine whether or not their saliva is acidic, basic, or neutral. After completing their test, they answer 6 analysis questions.
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Rusting and the Scientific Method
Students observe the oil can scene with the tin man from a clip from "The Wizard of Oz" and answer the question, "What can we learn about rust from this scene?". They take 2 tubes and 2 nails, adding 1 salt packet to 2 ml of distilled...
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The pH scale
Students list the common properties of acids and bases. They classify substances as acids or bases, by using pH and litmus tests and are able to explain the pH scale. They participate in a lab activity which reinforce their understanding.
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Magnets
Students investigate the magnetic attraction of different materials by observing a demonstration, and review the words "attraction" and "materials." Next they conduct exploration of a number of materials which have different properties...
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Answers for Physical and Chemical Changes Crossword
In this chemistry instructional activity, students are provided with the answers for a crossword puzzle containing 15 clues about physical and chemical changes.
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Exploring Atoms
In this chemistry worksheet, learners complete 29 fill in the bank questions about atoms based on the movie Exploring Atoms from the website www.brainpop.com .
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Does Size Matter?
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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How Big is a Molecule?
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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Separation of Mixtures and Compounds For K Through 12
Learners explore mixtures and compounds. In this lesson, students do an experiment to distinguish between mixtures and compounds. Learners complete ten different phases of the experiment testing many different substances. Students will...
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Density
For this density worksheet, students read a selection on density and answer 10 questions using the information from the selection.
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Survival Science: How Evaporation and Condensation Can Save Your Life!
Eighth graders demonstrate how scientific principles can be used to provide resources in an emergency situation. In this evaporation lesson students view a demonstration on a solar still and see a brief PowerPoint presentation.