In this animated and interactive object, the learner designs a treatment plan that includes precautions and adaptive equipment.

Learners read about five different fractures of the hip and the treatments used.

Learners examine and identify the parts of the hip joint.

Learners examine the factors that contribute to hip fractures including osteoarthritis, osteoporosis, and osteomalacia.

Learners examine three formulas than can be used to find dc power. Examples are given.

Students read how to determine and calculate the dry unit weight for a given sample of soil or aggregate based on the weight-volume relationship.

Learners will examine the four steps to listen actively to improve relationships.

In this learning object you'll examine the supply and demand curves and to demonstrate the effects on equilibrium price/quantity and on price ceilings and floors.

Learners view a demonstration showing that line-neutral voltages and line-line voltages are not in-phase with each other, but have a definite 30-degree relationship.

This interactive learning object demonstrates how the moisture content is determined for a given sample of soil or aggregate.

Students read how to determine and calculate the void ratio for a given sample of soil or aggregate based on the weight-volume relationship.

In this interactive object, learners vary the value of the resistance to see how it affects current. Example problems are included.

In this learning activity you'll explain how voltage and resistance in a series circuit affect current flow.

Students read how to determine and calculate the dry density for a given sample of soil or aggregate based on the mass-volume relationship.

Students complete a questionnaire to help identify their readiness for business ownership.

Students read how to determine and calculate the saturated density for a given sample of soil or aggregate, based on the mass-volume relationship. Practice problems complete the activity.

Students read how to determine and calculate the saturated unit weight for a given sample of soil or aggregate, based on the weight-volume relationship. Practice problems complete the activity.

In this animated learning object, students examine the addresses of PLC elements and how they pertain to I/O connections and internal memory files.

In this animated object, learners examine the relationship between pressure and temperature in an air conditioning system.

In this animated activity, students read about weight-volume relationships within a given sample of soil or aggregate. They complete problems using a 3-phase diagram.