Worksheet
Net Texts

Hess's Law Worksheet

For Students 10th - Higher Ed
Challenge young scholars' understanding of thermochemistry with this skills-practice worksheet on Hess's Law. Given a series of five multi-step chemical reactions, students must determine the overall change in entropy...
Lesson Plan
Curated OER

Chemical Composition of American Coins

For Teachers 9th - 12th
High schoolers investigate the chemical composition of pennies dated 1983 or later. In this chemical composition of American coins lesson plan, students scratch the surface of the penny to expose the zinc core. They put the penny in...
Worksheet
Curated OER

Stoichiometry

For Students 9th - 12th
In this stoichiometry worksheet, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting reagents and...
Lab Resource
Creative Chemistry

Simple Calorimetry to Find the Enthalpy of Combustion of Alcohols

For Students 9th - 12th
Accomplished chemistry learners set up a calorimeter and measured the energy released by various alcohols: methanol, ethanol, and either propanol or butanol. Lab masters will first need to design their tables for recording data. Consider...
Lesson Plan
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NOAA

Ocean Primary Production

For Teachers 6th - 12th Standards
A cold seep is an area on the ocean floor where hydrocarbons leak from the earth, creating entire unique biomes. Learners explore cold seeps, photosynthesis in the ocean, and its limitations due to loss of sunlight. They further explore...
Lesson Plan
Chymist

Alum from Waste Aluminum Cans

For Students 9th - 12th
Turn aluminum cans into pickles! An engaging experiment has learners chemically change aluminum into a substance with many purposes including the manufacture of pickles. After performing the chemical conversion, the experimenters verify...
Lesson Plan
Curated OER

Balancing Acts

For Teachers 4th
Fourth graders solve problems that can be modeled with algebraic equations or expressions. There are five sets of problems. Students should attempt one problem from each set each day. They increase in difficulty as the week progresses....
Lesson Plan
Virginia Department of Education

The Rate of a Chemical Reaction

For Teachers 9th - 12th Standards
If your pupils think a catalyst is a list of their cats, then this might be the lesson for you! Young chemists study the effect of temperature, catalysts, concentration, and particle size on reaction rates during four different...
PPT
Curated OER

Force and Motion

For Teachers 7th - 12th
Each of the slides here gives a definition, equation, or calculation example for a component of force and motion. This large collection covers topics from momentum and Newton's laws to centripetal forces and simple machines. Animations...
Lesson Plan
Curated OER

The Effects of Photosynthesis on Plant Growth

For Teachers 9th - 12th
Students are able to draw a diagram of the light reactions and briefly describe what is occurring throughout the process. They are able to explain where each reactant/product in the photosynthesis equation comes from/goes during the...
Worksheet
Curated OER

Electrochemistry Test Review

For Students 9th - 12th
This review sheet will be very useful to test your pupils' understanding of battery structure and redox reactions.  The questions ask for equations to be balanced and for the traditional equipment setups to be drawn and labeled....
Lesson Plan
Curated OER

The Chemistry of Coal

For Teachers 9th - 10th
Students investigate the chemistry of coal. This lesson serves as a review of conservation of mass, simple reactions and equation balancing. During the lesson, students research chemical components of coal, as well as environmental...
Lesson Plan
Curated OER

Photosynthesis and Cellular Respiration

For Teachers 9th - Higher Ed
In this energy worksheet, students review the processes that create energy for a cell: photosynthesis and cellular respiration. This worksheet has 11 fill in the blank and 14 short answer questions.
Worksheet
Curated OER

Hess's Law Cycle

For Students 11th - Higher Ed
In this chemistry worksheet, students write the balanced equation for the formation of one mole of fat from its elements under standard conditions. Then they write the balanced equation of the combustion of this fat. Students use Hess's...
Activity
American Chemical Society

Exothermic, Endothermic, and Chemical Change

For Teachers 9th - 12th Standards
Scientists can't observe bonds breaking or forming, so how do they distinguish between exothermic and endothermic reactions? Young scholars complete two experiments to do just that. They monitor temperature change and calculate the...
Lesson Plan
Virginia Department of Education

Aspirin Analysis

For Teachers 9th - 12th Standards
Laughter may be the best medicine, but aspirin is also important. Young chemists analyze aspirin tablets using titration in this lab experiment. They then repeat the entire experiment using a different aspirin brand. 
Lesson Plan
Curated OER

Chemical Formulas Unit-Day 4

For Teachers 10th - 11th
The purpose of this lesson involves reviewing nomenclature and molecular formulas as well as introducing naming molecular compounds and identifying acids. The students investigate and understand how conservation of energy and matter is...
Lesson Plan
Curated OER

Avoiding Carbon Dioxide Emissions from Burning Fossil Fuels

For Teachers 9th - 12th
Young scholars calculate stoichiometrically the amount of carbon dioxide that would be emitted from burning a mole of varios alkanes that comprise fossile fuels. If the energy released from burning a mole of these alkanes is known, then...
Lesson Plan
Curated OER

Chemical Reactions

For Teachers 10th - 12th
In this reactions worksheet, students state the differences between a coefficient and subscript and an exothermic and endothermic reaction. Students review the different types of reactions. This worksheet has 13 short answer questions.
Worksheet
Curated OER

Classifying Chemical Reactions

For Students 9th - 12th
In this chemical reactions worksheet, students learn about the 5 types of chemical reactions as well as endothermic and exothermic reactions. Students are given 5 equations to balance and they identify the type of reaction for each...
Worksheet
Curated OER

Classifying Chemical Reactions

For Students 6th - 12th
In this chemical reactions worksheet, students follow a flow chart to determine what type of reaction is occurring. Students then classify reactions and balance the equations. This worksheet has 2 short answer and 10 fill in the blank.
Lab Resource
Pingry School

Kinetics of the Acid Decomposition of Thiosulfate

For Students 9th - 12th
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
Lesson Plan
Curated OER

Combustion Reactions

For Teachers 9th - 12th
Students write a balanced chemical reaction. They articulate how burning fossil fuels increase the carbon dioxide levels in the atmosphere. Students incorporate all the environmental risks involved as well.
Unit Plan
Curated OER

Quantum Mechanics and Atomic Physics

For Teachers 9th - 12th
Students will discuss the de Brogile Hypothesis and state the circumstances under which the wave nature of matter is observed. They will also calculate the wavelengths of matter waves.