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Lesson Plan
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Curated OER

Sorting Plastics For Recycling

For Teachers 9th - 12th
First, young chemists practice polymer identification by density and flame tests. With the data collected, they propose a method of separating polyethylene from other plastics and determine what property makes it desirable for recycling....
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Lesson Plan
Curated OER

Conserving Chemical Resources

For Teachers 9th - 12th
High schoolers balance chemical equations and solve for gram to mole ratios.
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Lesson Plan
Curated OER

What Influences Reaction Rate?

For Teachers 6th - 8th
Students study reaction rates, what determines how fast a reaction happens and how the chemical changes occur.  In this reactions lesson students complete a lab where they use Alka-Seltzer to observe reaction rate and create a graph with...
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Worksheet
Curated OER

Matter Test

For Students 7th - 9th
Physical science learners define matter, explain the law of conservation of matter, and identify compounds according to their state on this twenty-question test. Most appropriate for the introductory physical science class, this resource...
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Worksheet
Curated OER

Natural Resources

For Students 9th - 12th
In this natural resources worksheet, students compare examples of chemical and physical properties, balance equations, and calculate molar mass and moles. This worksheet has 12 problems to solve and 12 short answer questions.
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Worksheet
Curated OER

Stoichiometry

For Students 10th - Higher Ed
In this stoichiometry learning exercise, students review concepts related to stoichiometry including molar ratio and conservation of matter. Students calculate the number of mole is specific reactions. This learning exercise has 7 fill...
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Worksheet
Curated OER

Resources - A Reading Guide

For Students 9th - 12th
In this resources worksheet, students compare and contrast physical and chemical properties and changes. Students review the periodic table, pattern of atomic numbers and chemical reactivity. This worksheet has 56 short answer questions.
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Unit Plan
Vision Learning

Visionlearning: Chemical Relationships: Chemical Equations

For Students 9th - 10th
An introduction to chemical reactions and an explanation of balanced equations.
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Unknown Type
American Association for the Advancement of Science

Aaas: Project 2061: Substances, Chemical Reactions, and Conservation of Matter

For Teachers 9th - 10th
[Free Registration/Login Required] Create a science test that checks for student understanding in science, for common misconceptions, as well as for correct ideas. This is a list of key ideas related to Substances, Chemical Reactions,...
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Lesson Plan
American Chemical Society

Middle School Chemistry: Lesson Plans: What Is a Chemical Reaction?

For Teachers 9th - 10th
After observing a demonstration of a chemical reaction between a burning candle and the oxygen in the air, students use atom model cut-outs to model the reaction and see that all the atoms in the reactants show up in the products.
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Lesson Plan
Better Lesson

Better Lesson: Changing Matter:changing Matter: Is Weight the Same or Different?

For Teachers 4th - 6th
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...
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Lesson Plan
American Chemical Society

Middle School Chemistry: Controlling Amount of Products in a Chemical Reaction

For Teachers 9th - 10th
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.
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Unknown Type
McREL International

Mc Rel International: Naep Released Item [Pdf]

For Students 4th
A released question from the National Assessment of Educational Progress (NAEP) test about the conservation of matter. Includes scoring guide.
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Handout
US Geological Survey

Mercury in the Geochemical Cycle

For Students 9th - 10th
Mercury in the geochemical cycle ultimately affects the food chain. Learn about this and its effect on the Everglades.
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Lesson Plan
Utah Education Network

Uen: Trb 5:1 Act. 4: Chem. Reactions Borax & Glue, Cream

For Teachers 3rd - 5th
For this experiment for Grade Five, students develop an understanding that chemical changes in matter do not affect the actual mass of the matter.
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Unit Plan
CK-12 Foundation

Ck 12: Chemical Reactions

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] What happens in a chemical reaction is explained, along with how it is represented by a chemical equation. In a chemical reaction, the law of conservation of matter...
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Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Flow of Matter in Ecosystems

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this module, students will learn about the cycles of nature (water, carbon, nitrogen, and phosphorus) that support the flow of nutrient matter through an...