In this video learners view the valves and chambers of the heart.

In this animated activity, learners view the pathways and functions of the fasciculus gracilis and the fasciculus cuneatus.

In this learning activity you'll use active listening skills to answer 10 questions based on a story.

The student watches a car move through a city and writes directions based on the car's route.

In this learning activity you'll write a technical description of a stopwatch.

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

Learners view an explanation of how to read a graduated cylinder by measuring the lowest portion of the meniscus. A quiz completes the activity.

In this learning activity you'll examine force, mass, and acceleration to understand this "Law of Acceleration."

In this interactive object, learners examine the structure and function of the sense of taste.

In this animated activity, learners examine the two major phases of cell division: mitosis and cytokinesis.

In this animated and interactive object, learners identify the valves and chambers of the heart.

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

In this animated object, learners view molecules as they collide and move between two different solutions. They also observe what happens when the temperature of the solutions is raised or lowered.

In this animated object, learners are introduced to the structure and function of animal cell organelles.

Learners read a general description of the function and structure of leaves and examine drawings and microscopic views. A matching exercise completes the learning object.

In this animated activity, learners examine muscle cell contraction and relaxation and consider the role of calcium ions.

In this animated object, learners examine water molecules moving through a semipermeable membrane.

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

In this learning activity you'll identify acceptable paraphrases of source material.

In this animated object, learners examine neutral fats, phospholipids, and cholesterol. The molecular formula and general function for each are shown.

In this interactive and animated object, learners read a description of the number, name, and function of the cranial nerves. A matching quiz completes the activity.

In this animated object, students observe how ATP energy is used to move substances across the cell membrane from an area of lower concentration to an area of higher concentration and when something too large needs to get in or out of a cell.

In this learning activity you'll select the correct pronoun to match the given noun.

In this animated object, learners examine the formation of ester bonds in the synthesis of lipids using triglyceride biosynthesis as an example. Ester bond formation is described as a dehydration synthesis reaction.

In this animated and interactive object, learners examine how blood flows through the heart and lungs. A brief quiz completes the activity.