Use Ohm's law, Watt's law, and the power equation to derive formulas for the DC power wheel.

In this interactive object, learners complete dental formulas for various species of animals.

Formulas and Functions in Microsoft Excel

A learning object to illustrate the right way to enter formulas and functions in Excel.

Learners follow a four-step process to determine the empirical formula of a compound from the masses of its constituent elements. The molecular formula is determined in a fifth step using the molecular weight of the compound.

In this animated learning object, users view the process of entering a formula in an Excel spreadsheet. Several different methods and associated examples are given.

In this interactive object, learners calculate formula and molecular weights by working through five examples and two problems.

Students use algebra to rearrange formulas and solve for the missing volume, density, or mass quantity.

In this learning activity you'll review the format for a five-paragraph essay, which is the second part of the GED Writing Test.

Students read an explanation of chemical formulas in this animated activity. A quiz completes the object.

In this learning activity you'll create strategies for sending and receiving complaints and requests.

In this interactive object, the learner practices identifying charges on ions.

Students read how to lock a cell that is being referenced in a formula so that it does not automatically show an increment when the formula is copied.

Learners read an explanation of the RL time constant and examine the formula for calculating the instantaneous current value. The current is graphed as it climbs to maximum or drops to zero. Note* In the formulas in this module, the Greek letter epsilon should be the mathematical constant 'e'.

Equilibrium plays a vital role in our lives. We'll show you how the equilibrium formula works in real life using our friend the chicken.

Students read how to calculate feed rates for drills in inches per minute (IPM). The IPM formula is given and students work two practice problems.

In this module, you will see the derivation of the total surface area formula for a cylinder and work through several application problems.

Learners read about the concepts of true power, reactive power, and apparent power, and are introduced to the power factor formula. A short quiz completes the activity.

In this animated and interactive object, learners use an algebraic formula to solve a problem involving distance, rate, and time.

Students view the formula for determining twist drill speeds in metal.

In this animated object, learners use an algebraic formula to solve the following problem: An airplane travels a certain distance with the wind in the same amount of time that it takes to travel a shorter distance against the wind. Given a constant wind speed, what is the speed of the plane without a wind?