In this video, you'll review how every protein molecule of an organism is synthesized.

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

Students identify the various regions of the human body through video.

Learners watch a short video showing the correct procedure for police officers to follow when making contact with a high-risk vehicle.

In this video, learners view the parts of an animal cell and its organelles.

Learners watch a short video demonstrating the correct procedure for police officers to follow when approaching a motorist after stopping a vehicle.

Learners watch video clips demonstrating the correct procedures for police officers to follow when entering and clearing a room.

Learners watch a short video showing the correct procedure for police officers to follow when making a non-approach vehicle contact.

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

Learners watch video clips demonstrating the correct procedure for police officers to follow when metering a room.

Learners view video clips showing how coiled wire provides more resistance to AC current flow than uncoiled wire.

Students interpret pie chart information and identify the parts of a chart in an interactive exercise.

In this learning activity you'll examine Newton's Third Law: for every action, there is an equal but opposite reaction.

The learner views several animations to study Newton's First Law of Motion, also known as "The Law of Inertia."

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

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

Learners identify negative roles, match statements characteristic of each role, and relate how they have handled negative teams.

Explore what passive transport osmosis is and how it moves water through a semipermeable membrane.

Learners read about lab equipment and basic safety measures. In a quiz, they view photos and determine if the lab technicians pictured are using safe practices.

Explore what proteins are, their structure, and their functions.