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

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

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 test your knowledge of global rates for marriage.

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

In this learning activity you'll apply knowledge about eustress to high and low stressors in your life.

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

In this animated activity, sexual reproduction in animals is contrasted with the alternation of generation lifecycle of plants.

In this learning activity you'll create your own lifeline and realize important events that helped shape who you are today.

In this screencast, learners read how microbes in such items as yogurt, bread, insulin, and insect sprays improve our lives.

In this learning object you'll explore how agents of socialization shape a person's life and you'll map the significant events, places, and people that have shaped your life.

In this learning activity, you'll analyze a poem written by a refugee to answer four short questions.

In this animated learning object, students examine the life cycles of a virus.

In this animated object, learners examine the different phases of a cell's life.

The learner reviews steps in analyzing a process and applies them to a situation in his/her own work or personal life.

In this learning activity you'll practice applying information about stress moderators to your personal life.

In this learning activity you'll review how every protein molecule of an organism is synthesized by that organism in a prescribed process. This activity helps students understand the fundamental life process of making protein.

In this activity you'll explain the stress in your life. You'll also identify ways to reduce stress and handle your current levels of stress.

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.