American Chemical Society
Using Chemical Change to Identify an Unknown
If you have taught the first instructional activity 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...
Curated OER
Fun With Chemical Changes
Looking for a terrific chemistry lesson for your 5th graders? This one could be for you! After a teacher-led demonstration, learners are broken up into groups and perform an experiment using cabbage juice, water, window cleaner, and...
Curated OER
Chemical Changes Making Foam and Using Indicators
Students are able to observe chemcial and physical changes while producing a brilliant formation of foam. They are able to experience the use of an indicator in the reaction. Students record information based on their observations.
Curated OER
Investigating the Change
Sugar crystal growth is observed as an example of physical change and cabbage juice pH indicator is used to demonstrate chemical change. The crystal growth is tracked over five days. The cabbage juice experiment is involved and can also...
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
Chemical Changes
Second graders investigate chemical changes and reactions and will identify four characteristics that indicate a chemical change. In this chemical change lesson plan, 2nd graders perform experiments that promote chemical changes. They...
Curated OER
Chemical Changes
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....
Curated OER
Chemical Changes
Eighth graders observe two types of interactions in a sealed plastic bag. One bag contains baking soda and water, and the other baking soda and vinegar. They determine what evidence indicates that a chemical change is occurring.
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...
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...
American Chemical Society
Powder Particulars
By both demonstration and hands-on investigation, physical science fanatics come to know that some materials react when they come together. Adding vinegar to both baking soda and to baking powder, the difference between the two is clear....
Curated OER
Acids and Bases: Cabbage Juice Indicator
Fifth graders perform tests to identify acids and bases. For this chemistry lesson, 5th graders identify common household substances as acids or bases using cabbage juice indicator strips.
Cornell University
Chemical Reactions
Investigate the Law of Conservation of Mass through a lab exploration. Individuals combine materials to initiate chemical reactions. They monitor for signs of reactions and measure the masses before and after the reactions for...
American Chemical Society
Chemical Reactions and Color Change
Colors are more than just a pretty effect. Learners explore what color change means in terms of chemical properties and reactions. They create a pH solution using cabbage leaves and observe the changes when acids and bases are added.
American Chemical Society
Formation of a Precipitate
Conclude this chemical change unit by having your class combine two liquids that result in formation of a precipitate. The learners discover that chemical reactions result in new materials. Make sure to consider all of the preceding...
Curated OER
Chemquest: Physical Changes or Chemical Reactions
Students explore physical and chemical changes. For this chemistry lesson plan, students will go outside to observe changes seen in nature. Students will then work in the lab to identify changes at different stations prior to doing a...
American Chemical Society
Color Changes with Acids and Bases
Getting back to the beginning of the unit, learners use reactions with red cabbage juice to determine if solutions are acidic, neutral, or basic. This is a straightforward and classic investigation, but what you will appreciate is the...
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.
Curated OER
The Heat is On!
Fifth graders investigate evidence for changes in matter that occur during a chemical reaction.
American Chemical Society
From Gas to Liquid to Solid
From gas to liquid condensation to solid frost, water undergoes phase changes before students' eyes! Using ice, salt, water, and a metal can, they set up an investigation that can be used in a physical science setting, or as part of a...
Curated OER
ChromaCool!
Fifth graders watch a video about physical and chemical changes. In groups, they participate in a variety of activities involving color. They write their observations in a journal. To end the lesson, they use a checklist to classify...
Curated OER
Science Detectives
Fifth graders examine the differences between chemical and physical changes. As a class, they are read a scenerio and determine whether it was deliberate act or not. In groups, they observe the changes of an alka-seltzer tablet and...
Curated OER
Cool Chemistry- DIY pH Indicator
Young scholars study the differences between an acid and a base. In this pH lesson students view a demonstration then test chemicals in groups.
Curated OER
Stiochiometry: Quantifying Changes in the Environment
Students examine stoichiometry. In this chemical reaction and mole lesson, students complete an experiment based on readiness levels to explore that changes are quantified in chemical reactions.