It's all uphill from here! Scholars examine the pattern of random particle motion up a staircase. The simulation shows how the linear increase in energy corresponds to an exponential decrease in particle concentration.

In this enthalpy worksheet, students calculate the combustion for propane and find the enthalpy of the reaction. They discuss entropy and free energy.

In this thermodynamics worksheet, 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 worksheet has 10...

The National Chemistry Olympiad exams are comprehensive tests covering an entire  year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your...

This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...

Do spontaneous reactions really occur? Activity 12 in a series of 36 focuses on spontaneity of chemical reactions. Learners read about, discuss, and answer questions pertaining to entropy, explain the third law of thermodynamics, explore...

In this thermodynamics instructional activity, students apply Hess's Law and review internal energy theory and heat capacity theory. Students use Boltzmann formula to calculate entropy and calculate the change in free energy. This...

Students define thermal equilibrium. They distinguish between internal energy and heat. Students describe how the quantity of heat that enters or leaves a substance is measured.

In this thermodynamics worksheet, students review kinetic and potential energy, enthalpy, entropy, and standard hear of formation. This worksheet has 1 short answer and 5 problem solving questions.

In this entropy worksheet, students review the Second Law of Thermodynamics and explore how entropy changes. This worksheet has 5 word problems.

In this thermodynamics worksheet, learners match terms to their definitions such as enthalpy, equilibrium, bond energy, and heat capacity. This worksheet has 20 words to match.

Students begin familiarizing themselves with the concept of energy, systems and state functions. They are introduced to the following concepts: Conservation of Energy, Systems, Heat, Entropy, Enthalpy, and Gibbs Free Energy.

This worksheet focuses on writing equilibrium constants. Students work to determine the direction of reactions, concentrations of different substances, and equilibrium constants.

Learners investigate the concept of a thermodynamic system. The difference between a state and phase is defined as part of the experimental explanations given in writing. Students conduct experiments to demonstrate laws of science like...

In this thermodynamics worksheet, students define and give examples of state functions. Students review the laws of thermodynamics. Student determine the standard formation reactions for given chemical species. This worksheet has 10...

In this chemical reactions worksheet, students determine what is true about a system at equilibrium and give examples of macroscopic properties. Students determine minimum enthalpy and maximum entropy for reactions. This worksheet has 2...

Seventh graders create a model of an ecosystem and label it to show structure and function. They research the food web of an aquatic animal and also trace energy flow from the primary producer up the food chain.

Your students will love this PowerPoint! Great visuals will support understanding of membrane proteins, cell membranes, active transport, and diffusion. There are a lot of details on each page and all are relevant. The presentation could...

Several slides compare different temperature scales. Thermal expansion, heat transfer, and Maxwell speed distribution are also explored. The last two slides seem unrelated to the topic of heat, but are easily left out of this otherwise...

In this science worksheet, students locate and identify various vocabulary terms related to earth science. There are 44 words/phrases located in the puzzle.

Young scholars study how to complete thermochemical equations.  In this equation lesson students learn how to manipulate equations to calculate energy changes and reactions.

In this chemistry learning exercise, students calculate specific changes that take place with different chemical reactions. Students indicate whether the reactions are endothermic or exothermic and spontaneous or nonspontaneous.

In this thermodynamics activity, 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 activity has 20...

For this thermodynamics worksheet, students review the first law of thermodynamics and define enthalpy, state functions, and heat capacity. Students use Hess' law and heats of formation to solve reactions. This worksheet has 30 problems...