Learners examine a table containing the names of common cations and anions.

Learners listen to a lecture given during the early days of nanotechnology titled, “There’s Plenty of Room at the Bottom.” Dr. Richard Feynman made the presentation to the American Physical Society on December 29, 1959. Animation makes this lecture fun to absorb.

Learners read about how universities, government agencies, energy companies, and nanotech firms are working together to use nanotechnology to help produce clean water for consumption.

This learning object offers a brief summary of the impact of nanotechnology on automobile tires. Learners look at the future of cars, especially the safety and future of automobile tires.

Roman numerals are used to identify the charges on metal cations having multiple oxidation states. Five examples are provided for practice.

In this learning activity you'll explore the operation of a NAND gate using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.

Students view diagrams of nails and read the client's nail history. They then determine if the affected nail has a disease or a disorder and recommend salon treatment and home care.

The learner constructs a nail and identifies the terms relating to the structures of the nail in a matching exercise.

Components and Operations

Learners examine a table of common polyatomic ions. Eight examples are provided for practice.

In this learning activity you'll explore the process that servers follow to take a name entered on a computer browser and convert it to an IP address.

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

Learners examine the anatomical parts of the lungs.

In this activity, you will explore what web analytics are and how to use them for site optimization.

In this interactive object, learners sort veterinary cardiovascular system drugs into categories.

This project gives a drawing with steps to complete the activity.

This is a project that gives steps to complete the activity.

Students read about fresh herb garnishes and match the garnishes to appropriate foods.

In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.