American Chemical Society
A Dissolving Challenge
After collecting carbon dioxide bubbles from a cup of club soda, learners attempt to make their own lemon soda while preventing the loss of carbonation. They do so by creating a syrup before mixing the substances into the club soda....
Curated OER
Testing for Life’s Molecules
Want to hear a joke about sodium? Na. Young scientists test various materials to identify if they include protein, starch, and glucose by using the Biuret test, iodine starch test, and Benedict's test respectively. After practicing with...
Cornell University
Energy Changes in Chemical Reactions
The heat of solution measures how much thermal energy a dissolving substance consumes or gives off. The experiment demonstrates both endothermic and exothermic reactions. Scholars dissolve several substances, measure the temperature...
American Chemical Society
Controlling the Amount of Products in a Chemical Reaction
Everyone enjoys combining baking soda and water. Here is a lesson that challenges scholars to analyze the reaction three different ways — the real substances, the chemical equation, and the molecular models. Class members experiment to...
Curated OER
The Case of Similar Substances
Young scholars solve a crime mystery using chemical tests. They review the crime scenario and then become familiar with the procedure and results for two tests used to identify unknown powders. They perform the tests on the crime samples...
Curated OER
Controlling Substances
Students consider their own understanding of household safety, examine the latest remedy deemed poisonous by physicians, and research the hazards of household products. They create public service announcements regarding potential hazards.
Department for Children, Schools and Families
Explaining Change Processes Using a Simple Particle Model of Matter
The more things change, the more they stay the same. This unit includes seven lessons starting with physical change and moving through to chemical change. Conservation of matter is explained clearly with multiple hands-on activities and...
Curated OER
SKIN CARE: ACNE
Young scholars study the underlying causes, prevention, and treatment of acne.
Curated OER
Just Can't Get Enough
Students research modern addictions and create public service announcements about them. They research modern additions such as food, shopping, and video games.
Curated OER
Density
In this biology worksheet, students use the given clues at the bottom of the sheet to solve the crossword puzzle on density. They identify how density in mass is divided. Students also measure the density of water in grams.
Baylor College
Crossing the Synaptic Gap
As part of a unit on the chemistry of the brain, thinkers learn how chemicals work to transmit messages between individual neurons and how controlled substances impact the synaptic cleft. They do so by playing a dice-and-card game in...
Curated OER
Analysis of the Concentration of Sodium Chloride in a Product
Students design an experiment to test for the concentration of chloride in products. In this analysis of chloride concentration lesson plan, students develop and conduct an experiment to find the amount of chloride ion in a substance of...
Curated OER
2008 U.S. National Chemistry Olympiad Part III
In this chemistry olympiad lab worksheet, chemists are required to design two experiments. In one, they design an experiment to identify seven solutions given to them in pipettes. In the other, they design an experiment to determine the...
Curated OER
1999 U.S. National Chemistry Olympiad Part III
In this chemistry olympiad laboratory worksheet, learners design and carry out two experiments. They design one experiment to test for the percent mass of a substance in a solution and they design another experiment to identify two...
Curated OER
Stoichiometry
In this stoichiometry learning exercise, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting...
Scholastic
Study Jams! Elements & Compounds
Compound class members' knowledge of elements and compounds with this delightful video clip! As the animated characters work on baking a birthday cake, they reveal that elements are simple substances that can be combined to form...
American Chemical Society
Using Chemical Change to Identify an Unknown
If you have taught the first lesson in this mini unit, learners already know that cabbage juice and vinegar cause chemical changes in some materials. Now, they get a chance to use them to compare the liquids' reactions to five known and...
Virginia Department of Education
Metals, Nonmetals, and Metalloids
How can one easily classify metals, nonmetals, and metalloids? Pupils answer this question as they experiment with unknown substances and perform tests on conductivity, brittleness, and malleability to determine which unknown belongs in...
Virginia Department of Education
The Particle Theory of Matter
Demonstrate the particle theory of matter to high school scientists with an engaging experiment that allows them to visually see the results as substances change from one state to another. The class concludes with a discussion about how...
American Chemical Society
Neutralizing Acids and Bases
Most things naturally strive for balance, and acids and bases are no exception. Neutralization of acids and bases allows scholars to explore the color changes associated with the pH scale. After this exploration, pupils neutralize two...
Laboratory for Atmospheric and Space Physics
Science at 100,000 Feet
Take your class up, up, and away with an engaging weather balloon simulation! Individuals get hands-on experience in creating and launching their own airborne labs to study how temperature and pressure affect substances at 100,000 feet.
iCivics
Washington’s Water
It's easy to forget about something as simple as water, a substance that is easily available to many in the world. However, understanding water management and the importance of a renewable resource system becomes clear in an informative,...
Curated OER
Forms of Exponential Expressions
Your young physicists analyze the forms of four equivalent exponential expressions representing an amount of a radioactive material in a substance. They show how each expression is equivalent to the others and what aspects of the decay...
Curated OER
Your Five Senses
Students identify the five senses. In this biology lesson, students participate in an experiment and use their five senses to identify various substances.
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