In this learning activity you'll discover three factors that affect group performance: group cohesiveness, communication structure, and individual roles.

Students read about the Federal Reserve System's structure and goals and the tools it uses to control the flow of money and credit in the economy. At the end of this activity, learners are asked to write how they would solve specific economic problems if they served on the Fed's Board of Governors.

In this interactive object, learners work 11 problems covering atomic structure, conductors, and insulators.

In this learning activity you'll review the structure and function of the different tissues of the human body.

In this screencast, students read about the basic organization and structure of the periodic table of elements. Students identify elements as belonging to a group, a period, or neither.

In this lesson on atomic structure, learners examine how the binding energy of electrons affects light production in certain phosphors used in x-rays.

In this learning activity you'll study the structure of the cell membrane and construct it using the correct molecules.

Learners view an animation of a sequence valve in operation and examine the valve’s internal structure.

In this colorful and interactive object, learners examine the structure and function of muscle and connective tissues. A quiz completes the activity.

In this animated object, learners examine the structure and function of intracellular and extracellular fluid. They also read about the most common electrolytes in the body and complete a matching exercise to test their knowledge.

In this animated and interactive object, learners examine the structure and functions of granulocytes and agranulocytes. Two exercises complete the activity.

In this screencast, learners examine hearing and balance. Detailed drawings of the outer, middle, and inner ear structures are included.

In this interactive object, learners read the definitions of the parts of a cell and assemble a basic eukaryotic cell in a drag and drop exercise. A matching quiz involving cell terms and their definitions completes the activity.

In this learning activity you'll analyzes the structures and processes of religion within a global context.

In this interactive object, learners identify the risk factors and the precautions to follow when treating a patient with a cardiac condition. They also design a treatment plan for that patient.

In this learning activity you'll analyze the structures of Buddhism and identifies the countries with the largest Buddhist populations.

Learners view a mind map of the social-conflict Approaches and answer questions about the inequalities, competition, and power found in social structures.

In this well-illustrated object, learners examine the structures and properties of the four types of solids: molecular, metallic, ionic, and covalent network. Five interactive questions are provided.

In this animated object, learners view the "T" and "P" waves and the "QRS complex." A brief quiz completes the activity.

Students read about the process of hair growth beginning with the joining together of amino acids.