Robotic Hand

Your body moves when muscles pull on the bones through ligaments and tendons. Ligaments attach the bones to other bones, and the tendons attach the boRead More…

Lesson 5: Star Gazing

Telescopes and binoculars are pretty useless unless you know where to point them. I am going to show you some standard constellations and how to find Read More…

Lesson 7: Solar Astronomy

The Sun rotates, but because it’s not a solid body but a big ball of gas, different parts of the Sun rotate at different speeds. The equator rotatesRead More…

Lesson 12: Division

If you hate long division like I do, then this lesson will be very useful in showing you how to make the most out of your division tasks without losinRead More…

Working Lung Model

Food and air both enter your body through your mouth, diverging when they reach the esophagus and trachea. Food goes to the gastrointestinal tract thrRead More…

Eyeballoon

In this lab, we are going to make an eyeball model using a balloon. This experiment should give you a better idea of how your eyes work. The way your Read More…