Students use this problem to help them to relate to force vectors: Suspend a meterstick horizontally between two tables. Place a 1kg mass in the middle of the meterstick. Notice the bend of the meterstick. Explain why the meterstick...

Entropy, it isn't what it used to be. Presentation includes kinetic-molecular theory, heat and internal energy, thermal equilibrium, temperature scales, laws of thermodynamics, entropy, latent heat of fusion, specific heat, calorimetry,...

In this chemical reactions instructional activity, students use the LeChatelier's principle to predict concentrations. Students determine if products or reactants are favored at equilibrium for given equilibrium constants. This...

In this acid-base worksheet, students calculate the pH of given solutions and determine if given solutions are acids, bases, or neutral. This worksheet has 3 graphic organizers and 4 problems to solve.

Fourth graders study the equilibrium of internal forces in a main sequence star.

In this weak acid and base worksheet, students find the pH of solutions given the equilibrium constants for each of the weak acids and weak bases.

In this equilibrium learning exercise, students determine what effect a catalyst has on the rate of a reaction and the activation energy. Students explore how the equilibrium shifts when different stresses are added to a compound. This...

In this chemistry worksheet, students determine the equilibrium pressure of NO at each temperature listed. Then they explain why lowering the combustion temperature would have any effect on the NO emission. Students also use the values...

In this chemistry practice exam worksheet, students solve ten multiple choice questions about equilibrium, acids, bases and reactions. Students then solve four problems about equilibrium and chemical reactions of acids and bases.

In this equilibria worksheet, students are given detailed information about LeChatelier's principle and how to solve equilibrium problems. They then calculate concentrations of compounds in solutions.

Across the top of the page is a large Z diagram representing varying degrees of acid-base equilibria. Advanced chemistry classes answer eight questions using the values listed for the H+ and the OH- ions that are part of the...

In this solubility product constant of sodium chloride worksheet, students gather the equipment needed and follow the procedures to determine the solubility product constant of a solute and demonstrate precipitation of a common ion to a...

In this colligative properties and chemical equilibria worksheet, students answer twenty questions including ranking solutions base on their colligative properties and determining what must happen to a reaction to reach equilibrium.

Taking your young economists through the characteristics of four market models (Pure Competition, Pure Monopoly, Oligopoly, and Monopolistic Competition), this presentation uses both charts and graphs to illustrate the necessary...

Take a look at an organized physics course. The 34-section electronic textbook covers material in AP® Physics 1 and 2. Teachers use the text to supplement lectures and have the class work through the labs. Each section contains...

The presentation offers a set of three problems related to temperature and equilibrium reactions. It walks through solving each, reminding pupils how to figure for the forward and reverse rates.

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...

In this chemical reactions learning exercise, learners determine how mixtures shift toward reactants or products to reach equilibrium. For given reactions, students determine how concentrations will change when adding or removing gases...

Physic starters spring into energy with a problem-solving activity. They work with graphs, apply Hooke's law, draw force diagrams, and solve for distance, force, or mass in spring systems. There are seven problems in all.

In this weight worksheet, students read about weight, friction, and equilibrium. Students then complete 10 matching, 7 fill in the blank, and 8 word problems.

In this electrochemistry instructional activity, students solve a variety of problems including identifying parts of oxidation and reduction reactions, writing balanced equations for galvanic cells, determining free energy and...

Did you know that there are comic books that can help learners discover economic concepts like supply and demand. The format of this lesson is highly engaging and enables them to discover how economics can be an exciting field of study....

For this equilibrium worksheet, learners predict the concentrations of solutions at equilibrium and apply Le Chatelier's principle to systems at equilibrium. This worksheet has 15 multiple choice questions.

In this setting up equations worksheet, students solve 4 different problems that include setting up the equations in each problem. They write out an equation or set up an equations that describe each given situation. Then, students state...