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Sink or Swim
Young scholars define density and explain how to determine the density of an object. Students participate in a demonstration that shows the differences in the densities of different liquids and how they affect the liquid's physical...
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Mystery of the Eleven Unknown Substances
Fourth graders identify eleven white substances that are commonly found in the household. They, in pairs, perform experiments on a variety of substances, and must identify them based on the reactions they observe.
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Physical vs. Chemical Change Lab
Students recognize both a physical and chemical change in different substances. They determine which particles actually changed into different substances, and explain if it represented a physical or a chemical change.
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Diffusion of Molecules
Students conduct a series of experiments to observe factors that impact molecular movement. In this molecular chemistry lesson, students drop food coloring in water with different properties (hot, with ice, with alcohol) and observe how...
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Preparation of Artificial Flavorings and Fragrances
Learners prepare artificial flavorings and fragrances. In this esters lesson, students combine an acid and an alcohol of choice to make an ester. Water is released and they produce an artificial flavoring or fragrance. They answer 4...
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Hot Food
Students compare and contrast photosynthesis and chemosynthesis as processes that provide energy to biological communities. They investigate the energy content of hydrocarbons used in coral communities.
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Acid/Base Indicators
Learners use plant materials as indicators of acids and bases. For this acid/base indicators lesson plan, students use boiled beets, cabbage, flowers, teas or berries that have been boiled with alcohol to test various acids and bases....
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Everything You Ever Wanted to Know About Stoichiometry
In this chemistry worksheet, students identify the process of Stoichiometry and use it to calculate various chemical reactions similar to that of a recipe. In addition, they identify a connection between isoamyl alcohol and the product...
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Compounds
In this chemistry activity, students complete a chart about common compounds. Examples include baking soda, sugar, and wood alcohol.
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States of Matter
Students discuss a given set of questions based on Chemistry and matter and review a glossary of terms. They conduct experiments on each state of matter: "Dry ice and water, Dry ice and soap and Dry ice and Isopropyl Alcohol." and...
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Lipid Worksheet
For this lipid worksheet, students answer questions about the structure and functions of lipids. They read about the three main lipids in the body including triglycerides, phospholipids and cholesterol and answer questions about each.
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What do Chemists See When they Look at Chemicals?
In this chemicals worksheet, students answer 15 multiple choice questions about chemicals, compounds, inorganic and organic molecules.
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Vapor Pressure
In this vapor pressure worksheet, students use a given graph of the vapor pressure of four liquids to answer eleven questions. They compare and find boiling points and vapor pressures of propanone, ethanol, water, and ethanoic acid.
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Molecular Forces at Work: Creating Soap Bubbles
Students investigate adhesion, cohesion and surface tension. For this molecular forces lesson plan, students observe multiple demonstrations that show surface tension, the attraction of water molecules to each other and the ability of...
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Colligative Properties - Freezing Point Depression
In this freezing point activity, learners determine the freezing point of solutions at different concentrations. This activity has 9 problems to solve.
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Lose Some Weight- Evaporate!
Students determine that some liquids are able to evaporate more readily than others. They create a balance using cups and a ruler to determine which end of a strip dipped in alcohol or water evaporates the fastest, hence loses the most...
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Chemical Compounds
In this chemical compounds learning exercise, students match the chemical formula with its chemical structure. This learning exercise has 39 matching questions.
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Invisible Ink
Students wxplore acids and indicators by watching a demostration in which "magic" ink appears. They duplicate the demonstration by writing magic messages using phenolphthalein solution and painting the message with vinegar to show it.
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Chemical Reactions
In this chemical reactions activity, students write the structures or names from molecular formulas. Then students predict the products from reactions given. This activity has 9 fill in the blank questions.
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Chemical Reactions
In this chemical reactions worksheet, students give the IUPAC name for compounds, predict the products of reactions, and list the steps in the synthesis of certain compounds. This worksheet has 1 short answer and 11 fill in the blank...
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Chemical Formulas
Students examine the structure of molecules, their formula, and percentage composition of each element in the compound. They construct an organic compound with different functional groups using a modeling kit, and draw a 3-D structure...
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Activity #5 Environmental Effects
Learners explain the implications of particle theory of The Law of Conservation of Matter for problems of pollution and waste disposal. They describe, in terms of atoms and molecules, what happens to materials when they are dissolved or...
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Chemical Compounds
In this chemical compounds worksheet, students determine the name or formula for given compounds. Students list acids in order of increasing acid strength from their pK values. This worksheet has 8 problems to solve.
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Drugs Change the Way Neurons Communicate
Students examine that certain drugs interfere selectively with neurotransmission, and realize that the effect of a drug is dependent upon dosage and route of administration.