Curated OER
Chemistry: Balancing Chemical Equations
Eighth graders practice balancing chemical equations. For this chemistry lesson, 8th graders explain why it is necessary to balance equations. They complete practice worksheets individually.
Curated OER
Physical and Chemical Changes
Eighth graders distinguish between physical and chemical change. In this chemistry lesson, 8th graders observe a series of demonstrations showing physical and chemical changes. They identify the signs that a chemical reaction took place.
Curated OER
Acid and Base Testing
Students study descriptions of indicators and the way they are used to identify acids and bases. They use this information to determine if unknown solutions are acids or bases.
Curated OER
Acids And Bases -- Universal Indicator
Eighth graders design and perform an experiment that uses a Universal Indicator Color Guide to measure the strength of acids and bases. They also determine happens when acids and bases are mixed together. They decide which of three...
The Wonder of Science
The Wonder of Science: 5 Ps1 2: Conservation of Matter
On this site, find a variety of materials to help students understand the conservation of matter. Create lessons that allow students to measure and graph quantities that could show even if matter is heated, cooled or combined with other...
Better Lesson
Better Lesson: Changing Matter:changing Matter: Is Weight the Same or Different?
Students conduct a hands-on investigation to determine how matter, changing state, effects the property of weight. Students will collect data and graph their results. Resources include step by step instructions, a data worksheet, videos...
Science Education Resource Center at Carleton College
Serc: Conservation of Mass Gum Lab
Students investigate whether or not chewing gum should be considered eating using the law of conservation of mass to reason that the portion lost of the original mass of gum must be swallowed.
The Wonder of Science
The Wonder of Science: Ms Ps1 5: Conservation of Atoms in Reactions
Work samples, phenomena, assessment templates, and videos that directly address standard MS-PS1-5: conservation of atoms in reactions.
Utah Education Network
Uen: Physical Changes
Second graders explore the concept of law of conservation of mass.
Science Education Resource Center at Carleton College
Serc: Blowing Up Balloons, Chemically
Students will understand and apply the Law of Conservation of Matter; balance chemical equations; use the following skills: observing and recording data (observations) and making inferences from observations.
American Chemical Society
Middle School Chemistry: Lesson Plans: What Is a Chemical Reaction?
After observing a demonstration of a chemical reaction between a burning candle and the oxygen in the air, learners use atom model cut-outs to model the reaction and see that all the atoms in the reactants show up in the products.
American Chemical Society
Middle School Chemistry: Controlling Amount of Products in a Chemical Reaction
Students analyze the chemical equation for the reaction between vinegar and baking soda. They observe that the gas produced in the reaction is also part of the products of the written chemical equation.
Utah Education Network
Uen: Trb 5:1 Act. 4: Chem. Reactions Borax & Glue, Cream
For this experiment for Grade Five, students develop an understanding that chemical changes in matter do not affect the actual mass of the matter.
Science Education Resource Center at Carleton College
Serc: Chemical Reactions: Investigating Exothermic and Endothermic Reactions
In this 9th grade physical science guided inquiry, learners will work in pairs to discover the indicators of chemical reactions. Each pair of students is assigned either an exothermic or endothermic reaction. Based on their observations,...
University of Texas at Austin
The University of Texas Mc Donald Observatory: Spectroscope
This lesson guides students to build a spectroscope, use it as a tool, and interpret their observations by applying concepts of conservation of energy and properties of matter.
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