Learn how the sense organs are structured and how they function to provide you with five senses.

This teacher's guide introduces children to the human body and the five senses and covers the major body parts and what they do. Children also will use their five senses to learn about the world.

How does the sense of touch work? Is the sense of touch more sensitive in some parts of the body, such as fingertips, than in others? In this lesson students explore the sense of touch by identifying mystery objects with their eyes...

Learn how to type correctly or test your typing skills with this free tutorial.

Students are introduced to chemical engineering and learn about its many different applications. They are provided with a basic introduction to matter and its different properties and states. An associated hands-on activity gives...