Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows individuals...
Purdue University
Designing a Device Utilizing a Balloon Filled with Carbon Dioxide
Don't waste all that carbon dioxide. Scholars first produce carbon dioxide by mixing baking soda and vinegar. They measure the masses of the reactants and products to verify the law of conservation of mass. As a culminating activity,...
Herff Jones Education
Reaction Rates
Equip pupils with tools to determine reaction rates as they explore conditions that cause a reaction to increase or decrease. They also discuss why this occurs and predict the next steps as they take part in a series of...
Virginia Department of Education
The Effects of Heat and Acid on the Enzyme Catalase
How quickly do enzymatic reactions occur? Assist the class as they examine heat and pH change to determine the rate of chemical reactions using catalase as an enzyme. Watch them "glow" with excitement!
Curated OER
Chemical Reactions - Borax & Glue, Cream
Fifth graders, in groups, complete two activities in which various substances are combined, resulting in a very different substances. They discuss reactants and products and chemical reactions.
Curated OER
Chemical Change
Fifth graders watch a demonstration in which a balloon is inflated using the gas created by combining vinegar and baking soda. Then, in groups, they combine various assigned substances and watch and record the results.
Perkins School for the Blind
Conservation of Mass
How do you teach a student with visual impairments about the conservation of mass? You use tactile models that represent the theoretical concept. Baking soda and vinegar are used to add gas to a deflated balloon. Learners will feel the...
Curated OER
Conservation of Mass
In this conservation of mass activity, students experiment with vinegar, baking soda, a balloon and a flask. They compare the mass of the closed system of reactants before the experiment to the mass of the products after the experiment...
American Chemical Society
Production of a Gas - Controlling a Chemical Reaction
Though the publisher designated this unit for use with third through eighth grades, this particular lesson plan would be best used with middle schoolers due to the specific measurement skills required. Basically, they set up the reaction...
Curated OER
Limiting Reagents and Percent Yield Problems
Twelve questions about the various calculations of mass and yield are given here. There is significant practice of molarity calculations and consideration of the reactant and product balance.
Curated OER
Physical and Chemical Reactions - Factors Which Affect Reaction Rate
A total of five experiments lead chemistry pros to understand the difference between physical and chemical change. They also experiment with exothermic reaction factors that affect rate of reaction. The procedures are not written in the...
Curated OER
The "Laws" and Principles of Chemical Reactions
In this chemical reactions worksheet, learners review the law of conservation of mass, the principle of definite proportions, and balancing equations. This worksheet has 3 problems to solve.
Curated OER
WS 4.7 Writing Chemical Reactions
In this chemical reactions worksheet, learners are given fourteen chemical reactions that they must write using chemical formulas for the reactants and products. They balance each equation by placing the proper coefficients in front of...
Pingry School
Qualitative Analysis of Eleven Household Chemicals
Chemical and physical properties give compounds an identity. Learners use the identity of a compound to predict what it is. By performing different tests like solubility, flame, heat, and reactions, individuals attempt to identify an...
Virginia Department of Education
The Law of Conservation of Matter
The Law of Conservation of Matter can be complex for young scientists to fully grasp. Use this experiment to help simplify the process as pupils perform two experiments to determine mass: one that melts a substance and the other that...
Curated OER
Activity #9 Tye Green Blob
Students comprehend that a chemcial change produce substances with a different composition and physical and chemcial properties. They state the differences between physical and chemical changes. Pupils observe changes that occur during...
Curated OER
It is a Crash Test, Dummy
Students research air bags on the Internet and use the information to design their own version of an air bag. After exploring the benefits and dangers of air bags students perform a chemistry lab in which they mix baking soda and vinegar...
Curated OER
The "Laws" and Principles of Chemical Reactions
In this chemical reaction principles worksheet, students read about definite proportions and the law of conservation of mass. Students read about how to balance a chemical equation. Then students complete 20 fill in the blank, 2 short...
Curated OER
Chemical Change and Physical Change
Sixth graders combine chemicals to create a chemical change. In this chemicals lesson plan, 6th graders will investigate characteristics of chemical change by combining chemicals. They will learn that color change is an indicator of...
Curated OER
It's a Crash Test, Dummy
Students use the internet to research air bags in cars and trucks. In groups, they discover air bags history and the safety issues surrounding them. They create their own design of a new air bag and test it using a raw egg in...