Lesson Plan
Curated OER

Conservation of Mass

For Teachers 9th - 12th
Students conduct an experiment to compare the total mass of products to the mass of reactants. In this conservation of mass lesson plan, students devise an experiment to show that matter is neither created or destroyed in a chemical...
Lesson Plan
3
3
American Chemical Society

Conservation of Mass

For Teachers 5th
It may take up less space, but the mass stays the same. Tackle a common misconception about conservation of mass using a hands-on activity. Learners measure the mass of substances before and after melting, dissolving, and undergoing a...
Lesson Plan
Curated OER

Impulse, Momentum, and the Conservation of Momentum

For Teachers 9th - 12th
What happens when two worlds collide? In the first of several activities, future physicists experiment with colliding ball bearings or Newton's cradle. Another activity requires the use of an air track with cars to examine collision....
Lesson Plan
1
1
Science 4 Inquiry

Maintaining Mass

For Teachers 6th - 8th Standards
Can you disprove the law of conservation of mass? Pupils observe the teacher weigh each part of a reaction. Then, the teacher weighs the result of the reaction and everyone sees that the products do not equal the reactants. Then they...
Lesson Plan
Curated OER

Conservation of Mass

For Teachers 7th - 9th
In this conservation of mass worksheet, students design an investigation to demonstrate the Law of Conservation of Mass. Students describe their investigation, collect data, graph the data and write a conclusion about what they discovered.
Lesson Plan
NASA

The Cycle of Matter

For Teachers 6th - 8th Standards
An educational lesson focuses on the idea of conservation of matter through a demonstration of the water cycle, a discussion of digesting food, and the path of carbon and oxygen atoms as they change form. 
Lesson Plan
Virginia Department of Education

The Law of Conservation of Matter

For Teachers 9th - 12th
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...
Lesson Plan
2
2
American Chemical Society

Forming a Precipitate

For Students 6th - 8th Standards
Can you mix two liquids to make a solid that is insoluble? Yes, you can, and pupils see this as the lesson plan uses more than one combination of liquids to form a solid. Through two teacher demonstrations and a hands-on...
Lesson Plan
Cornell University

Predicting Chemical Reactions

For Teachers 9th - 12th
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...
Lesson Plan
2
2
American Chemical Society

Controlling the Amount of Products in a Chemical Reaction

For Students 6th - 8th Standards
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...
Lesson Plan
2
2
American Chemical Society

What is a Chemical Reaction?

For Students 6th - 8th Standards
When a candle burns down, what happens to the mass that appears to be shrinking? Lesson begins with a demonstration of the chemical reaction of a candle burning. Then scholars use atom models to observe conservation of mass...
Lesson Plan
Virginia Department of Education

Matter and Energy: Equations and Formulas

For Teachers 9th - 12th Standards
Using simple materials, an informative lesson demonstrates the Law of Conservation of Matter and explains how to balance chemical equations. Young chemists perform experiments, analyze reactions, and balance chemical equations...
Lesson Plan
University of Georgia

Endothermic and Exothermic Reactions

For Teachers 9th - 12th Standards
Equip your chemistry class with the tools to properly understand endothermic and exothermic reactions. Young chemists collect, analyze, and graph data to determine how the Law of Conservation of Matter is applied to chemical...
Lesson Plan
Kenan Fellows

Balancing Equations Using Matrices

For Teachers 9th - 12th Standards
Matrices help solve systems of equations in chemistry, computer graphics, circuitry, probability, and more. The second lesson in a seven-part series focuses on using matrices to balance chemical equations. Pupils rely on the Law of...
Lesson Plan
Curated OER

The Conservation Of Mass (The Mass Of Gas)

For Teachers 6th - 8th
Students gain an understanding of matter in all of its phases. In this science lesson plan, students further their knowledge of the laws of conservation of mass, the loss in mass can be accounted for, when the gas is allowed to escape...
Lesson Plan
Santa Monica College

The Composition of Potassium Chlorate

For Teachers 9th - Higher Ed Standards
The third instructional activity in a series of 11 begins by using thermal decomposition of potassium chlorate to determine the mass percent of oxygen. Then a second activity allows scholars to demonstrate that the resulting residue is...
Lesson Plan
University of Texas

Lives of Stars

For Teachers 9th - 12th Standards
Stars exist from a few million years to over 10 billion years, depending on their mass. Scholars perform a play acting as stars to learn about their different life cycles. They develop an understanding of many of the fundamental concepts...
Lesson Plan
Curated OER

Measuring the Heat Energy of a Chemical Change

For Teachers 9th - 12th
Students investigate the Law of Conservation of Energy and the relationship between heat and temperature. In this heat energy and chemical changes lesson, students observe a candle heating a paper cup of water and make predictions about...
Lesson Plan
Curated OER

How much Carbon Dioxide is in My Seltzer Water?

For Teachers 9th - 12th
Students discover the law of conservation of mass though experimentation.  In this chemistry lesson, students experiment with acid - base indicators to determine the presence of carbon dioxide. Students complete the labs with...
Lesson Plan
Curated OER

Law of Conservation of Mass

For Teachers 6th - 8th
Young scholars work in small groups. They grab a handful of ice, and place the ice in an empty beaker of ice using a triple beam balance. Students heat up the beaker of ice over a hot plat until the ice has changed into water. They...
Lesson Plan
Curated OER

The Chemistry of Killer Coal

For Teachers 9th - 12th
Students research chemical components of coal, as well as environmental health impacts of mining and burning coal. They discuss conservation of mass as it relates to combustion of organic compounds.
Lesson Plan
Curated OER

Swinging Pendulum

For Teachers 6th - 8th
Students engage in an activity which demonstrates how potential energy (PE) can be converted to kinetic energy (KE) and back again. Given a pendulum height, students calculate and predict how fast the pendulum will swing by understanding...
Lesson Plan
1
1
Purdue University

Design of an Earthen Dam for a Lafayette Neighborhood

For Teachers 3rd
How do dams support bodies of water? Scholars engage in a hands-on STEM activity where they design, build, and test dams to learn about bodies of water and how humans use natural resources. They learn how criteria and constraints affect...
Lesson Plan
Science Matters

Peanut Energy

For Teachers 6th Standards
How do humans get energy since they aren't mechanical and can't photosynthesize? Learners explore this question by relating potential energy in food to human energy levels. Scholars measure the change in mass and a change in...