American Chemical Society
Energy and Entropy of a Stretched Rubber Band
Stephen Perry invented and patented the modern rubber band in 1845. Young scientists put his discovery to work as they use rubber bands to observe entropy and enthalpy. They determine the change in free energy to figure out if it...
Curated OER
Being Spontaneous
In this spontaneous reactions learning exercise, students read about entropy, enthalpy and Gibbs free energy. They complete a table with reaction conditions and determine if the reaction is spontaneous or not. They solve three problems...
Curated OER
Construction of Food Chains and Tracing Energy Changes
If you need a few basic activities for teaching food chains to your emerging ecologists, here they are. Three sheets of organism cards are included for learners to cut out and arrange according to trophic relationships. To make the most...
Curated OER
Thermodynamics
Students investigate energy involved for bonds to form and break. For this thermodynamics lesson plan, students experiment with chemical reactions to observe endothermic and exothermic reactions, they explore entropy and the effects of...
Curated OER
WS 7.5 Thermodynamics Concepts and Vocabulary
In this thermodynamics worksheet, students fill in the blanks with terms related to specific heat, calorimetry, phase changes, enthalpy, entropy and free energy.
Curated OER
CHM 152 Thermodynamics (Ch. 16)
In this thermodynamics instructional activity, students answer multiple choice questions about enthalpy and entropy, they calculate molar entropies and they determine equilibrium constants and free energy of reactions.
College Board
2000 AP® Environmental Science Free-Response Questions
Practice makes perfect! A released AP® exam gives scholars practice with the high level of expectations of their exams. The exam consists of four questions from 2000. Questions ask about endangered species, recycling, alternative fuels,...
Curated OER
2009 U. S. National Chemistry Olympiad - Local Section Exam
Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...
Curated OER
Chemistry Module 5 - Specifications
While this resource does not provide problems for chemistry learners to solve, it outlines skills that they should have and concepts that they should grasp. Topics include thermodynamics, periodicity, redox equilibria, transition metals,...
Curated OER
Thermodynamics
In this thermodynamics activity, students calculate the change of entropy and standard free energy change for given reactions. Students write expressions for the thermodynamic equilibrium constants for reactions. This activity has 10...
Curated OER
Thermodynamics
In this thermodynamics worksheet, students calculate the enthalpy change and free energy change for given reactions. students describe what happens to the entropy of a system and describe how its enthalpy changes. This worksheet has 20...
Flipping Physics
AP Physics 1: Work, Energy, and Power Review
Prepare your AP Physics class for the exam with a video that covers work, energy, and power. The quick review also covers common mistakes and test-taking tips that will help your scholars find areas they need to spend more time reviewing.
Curated OER
Create Hydrogen Energy
Learners complete an experiment to understand changes to the environment over time. In this hydrogen instructional activity, students discuss electrolysis and conduct an electrolysis experiment. Learners observe and record their...
Curated OER
Energy and Cars: What Does the Future Hold?
Students examine alternative energy. In this research based lesson, students study alternative energy and how it will influence transportation in the future. They will write a report and give an oral presentation of their findings.
Curated OER
Exploring Energy with GIS
Learners examine GIS technology as it is used to locate energy sources. In this GIS activity, student access an assigned website to locate a series of lessons using the GIS software. They use the maps that are located on the primary...
College Board
2018 AP® Environmental Science Free-Response Questions
Less than nine percent of all AP Environmental Science test takers scored a perfect five on the exam in 2018. Learn from the best answers as well as the common mistakes thanks to the College Board. Four questions from the test covering...
College Board
2011 AP® Environmental Science Free-Response Questions
Beetle population, climate change, and acidification are all real environmental threats. Scholars display their knowledge of these threats and offer solution strategies in a four-question assessment resource. Questions from the AP® exam...
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
Curated OER
Reaction rates and Equilibrium
Students listen to a lecture on the collision theory. They discuss the reactant and product changes during a chemical reaction. Students are taught the factors affecting reaction rates. They complete a lab on entropy, heat and free...
Curated OER
The Climate Change Skeptic's Argument: Natural Solar Cycles or Human Activity?
Teachers explore patterns in sunspots and total solar irradiance to understand the counterpoint to the human effect of global warming. In this professional development tool, teachers work through a lesson on the sun's natural patterns to...
Curated OER
Solar Energy
In this solar energy worksheet, students read about the uses of solar energy, the benefits and the costs. They answer four critical thinking questions about solar energy.
Curated OER
Temperature Changes Everything
Middle school chemists visit interactive websites in order to discover what happens to molecular motion when heat is added to matter. They conduct an experiment that demonstrates the expansion of matter with the addition of heat. A lab...
Concord Consortium
Seeing Specific Heat and Latent Heat
What happens inside a melting solid? Prospective physical chemists observe a solid-to-liquid phase change at the molecular level using an inspired interactive. Pupils add heat to a close system, then monitor changes in kinetic and...
Curated OER
How Solar Cells Work
Students create electricity. In this solar energy lesson, students role play how photovoltaic cells change sunlight into electricity. Students discuss the experiment and create their own diagram of the model.