For this Le Chatelier's Principle worksheet, students are given three chemical reactions along with various disturbances on the systems. They must indicate the effects of each disturbance on the concentrations of products and reactants...

Seventh graders study biological systems and how they reach equilibrium.  In this system balance lesson students divide into groups and complete an osmosis lab activity.

Students explore the Everglades ecosystem using the Internet. To develop a picture about conservation of resources in the context of the Everglades. Explore relationships between species and habitats. Develop an idea of how human beings...

In this acid and base worksheet, students solve three problems. They calculate pH and equilibrium concentrations, they determine what is needed to prepare a proper buffer solution and they answer questions about a titration.

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

In this thermodynamics worksheet, high schoolers read about conduction, convection and radiation. They answer 47 questions about heat transfer, thermal equilibrium, insulators, conductors and the states of matter.

In this estimating cell sizes worksheet, students read about the relationship between a cell's size and the rate of cell waste diffusion. Students solve 4 problems including writing the equation for the rate of waste exchange, finding...

Students determine if the economic model of slavery in the United States could or could not survive without expansion of slavery to the western territories. They access an excellent multi-media narrative imbedded in this plan.

Use this worksheet on interest to help your class practice important skills. Learners fill in the blanks for questions relating to interest, plot supply and demand schedules on a graph, complete a table, and solve problems.

For this Graphing Perfect Competition worksheet, students analyze seven graphs, then must add to them or create their own based on directions.

Challenge your class with this worksheet relating to the excise tax. They examine a variety of graphs and diagrams, solve problems, and make predictions.

This two-page assignment covers basic thermochemistry concepts. Chemistry learners identify exothermic and endothermic processes, explain a phase change graph, and draw an energy level diagram. There are no problems to solve, just...

Why do the bases in DNA pair up the way they do? Unravel the mystery of the double helix in a virtual lab. Young scientists follow in the footsteps of Watson and Crick to determine the free energy associated with DNA base pair binding....

Currency depreciation, technology, an increase in the price of oil, or an increase in consumer spending have powerful impacts on an economy. Learners evaluate these effects using authentic materials from College Board. Other questions...

Defense spending often has massive impacts on the economy. Learners consider its effect in a hypothetical case and structured questions from College Board. A second query asks them to consider the effects of international trade on...

Foreign exchange rates have a ripple effect on economies worldwide. A case study asks scholars to examine what would happen to international investment and capital after tweaking variables that can ricochet around the world. A second...

What could be the link between a college education and reduced crime rates? Learners consider the question using authentic College Board materials. Other practice sets examine the effects of price and competition in various case studies.

What effect could a break-through device have on company's profits? A set of prompts from College Board explores just that question. Other questions consider the role of wages in profit and what factors affect the supply and demand of...

Consumer income drives consumer demand. A set of problems explores what happens to a dairy business when consumers all of a sudden don't have as much money to spend on milk. Other prompts from College Board examine supply and demand...

How does one factor in the social costs of a product? What factors influence price? Learners consider the question and others using authentic College Board materials. Other questions examine profits and competition in the market and the...

Unemployment: The job of the future. The resource, designed for high school scholars, explains unemployment rates, recessions, and job trends that are impacting employment in the United States. Academics explore potential careers of the...

Challenge young scholars' understanding of thermochemistry with this skills-practice instructional activity on Hess's Law. Given a series of five multi-step chemical reactions, students must determine the overall...

Why did lightning shock the man? Because it didn't know how to conduct itself. Presentation covers electric charges, insulators, conductors, electroscopes, lightning, generators, grounding, static electricity, and more. Presentation...

I don't always make vector jokes, but when I do, IJK. Vector addition using multiple methods, scalar multiplication, vector subtraction, vector components, relative velocities, free body diagrams, and so much more Are covered in this...