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
Curated OER

Chemical Formulas for Molecules

For Teachers 7th - 12th
Newcomers to chemistry compare hydrogen peroxide to water, realizing that the difference of one oxygen atom significantly affects the chemical properties. Other pairs of compounds and their formulas are also examined. A few chemical...
Lesson Plan
Cornell University

Chemical Reactions

For Teachers 5th - 8th
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...
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 instructional activity asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products...
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. For 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
Curated OER

No Creation-No Destruction--All in a Baggie

For Teachers 10th - 11th
Students investigate the concepts of conservation of mass and simple chemical reactions. Students complete lab experiments and record all observations as well as conduct experiments on their own to determine which reactions created...
Lesson Plan
Curated OER

How much Carbon Dioxide is in My Seltzer Water?

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

Freezing Point Depression: Why Don’t Oceans Freeze?

For Teachers 9th - 12th Standards
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions...
Lesson Plan
Curated OER

Einstein's BIg Idea

For Teachers 9th - 12th
Students discuss what the m in E=mc2 represent. They relate that mass in a chemical reaction is always conserved. Students convey that atoms rearrange themselves in chemical reactions to form different molecules and compounds.
Lesson Plan
Curated OER

Trophic Relationships, Cycling of Chemicals, Human Impact on Ecosystems and Conservation

For Teachers 7th - 11th
Students explore how the energy flow through a system is related to trophic levels. They investigate how organisms affect the cycling of elements and water through the biosphere. Students participate in lab activities to observe ways...
Lesson Plan
Curated OER

Melting and Freezing of Water

For Teachers 9th - 12th
Students examine the three states of matter. They identify the segments of heating and cooling curves. Students analyze data and create a graph to determine the freezing and melting temperature of water.
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...
Lesson Plan
Curated OER

Mass of Water vs. Ice

For Teachers 7th - 12th
Students examine how ice changes state and when  its volume changes.  In this mass lesson students complete a lab that shows them how waters volume can change. 
Unit Plan
Columbus City Schools

Magnificent Mendeleev: An Elemental Tale

For Teachers 7th Standards
Discover how the periodic table tells the story of its elements. Learners begin by studying the makeup of several mixtures. Their analysis leads to a discussion of elements and the periodic table. As they dig deeper, they understand the...
Lesson Plan
Curated OER

Activity Two Teacher Page: Explosions

For Teachers 9th - 12th
Students identify variables that affect the system, and specify which variables are independent and which are dependent.
Lesson Plan
Curated OER

Sports Helmets and Impact Testing of Polymers

For Teachers 5th - 9th
Students examine the importance of good quality safety gear. In this investigative lesson, students will tests various polymers, collect data, and analyze the data to determine which polymer is best for safety helmets. They will design a...
Lesson Plan
Curated OER

Potato Launcher Energy Lab

For Teachers 11th - 12th
Young scholars investigate conservation laws using a potato launcher. In this physics instructional activity, students measure angles, time and distance of the potato. They discuss applications of experiments like this.
Lesson Plan
Curated OER

Balancing Bottles

For Teachers 5th - 6th
Young scholars explore the Law of Conservation of Matter using effervescent tablets.  In this mass and energy lesson, students investigate how mass is conserved in the reaction of effervescent tablets and water. They will discuss...
Lesson Plan
Curated OER

GUM: More, Less, or the Same?

For Teachers 4th - 6th
Learners confirm the law of conservation of matter by weighing chewing gum before and after it is chewed.
Lesson Plan
Curated OER

Model Mania

For Teachers 8th
Eighth graders study the conservation of matter.  In this chemical reaction lesson students examine what happens during a chemical reaction and complete a lab activity. 
Lesson Plan
Curated OER

Melting and Freezing of Water

For Teachers 9th - 12th
High schoolers differentiate the three states of matter. In this chemistry lesson, students analyze graphs of heating and cooling curve of water. They complete a lab report and discuss results.
Lesson Plan
Curated OER

Determination of Phosphates

For Teachers 11th - 12th
Students engage in a laboratory lesson in order to increase understanding of the impact of phosphates at the chemical and ecological levels. The lab exercise is completed with the goal of getting them to predict the outcomes and future...
Lesson Plan
Curated OER

THe Decomposition of Water

For Teachers 9th - 12th
High schoolers collaborate in an experiment where they decompose water into simpler substances through the process of electrolysis. They collect, measure, and observe data and then place the data into a table. Accomodations for...
Lesson Plan
Beyond Benign

Green"er" Precipitation Reaction

For Students 9th - 12th
All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...