Students examine how voting rates are determined and how those rates change depending upon the population being studied. A brief quiz completes the activity.

In this learning activity you'll calculate exchange rates to determine the impact of prices of exports and imports.

In this learning activity you'll test your knowledge of global rates for births.

In this learning activity you'll test your knowledge of global rates for marriage.

In this learning activity you'll test your knowledge of global rates for life expectancy.

Viewers watch an introduction to monosaccharides, disaccharides, and polysaccharides. The processes for dehydration synthesis and hydrolysis.

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.

Learners follow the path of a carbohydrate food from consumption through digestion to absorption into the bloodstream. In a matching exercise, students identify the main type of carbohydrate found in four different foods.

In this animated activity, learners examine the circuitry in a DC variable speed drive that causes the motor to accelerate or decelerate at slow rates. This learning object has audio content.

In this screencast, you'll observe two vehicles moving across the screen at different rates then describe the motion. Additionally, you'll select the corresponding graphs of distance vs. time, velocity vs. time, and acceleration vs. time for each vehicle.

In this learning activity you'll test your knowledge of global rates for life expectancy, marriage, divorce, and births.