Introduction to Body Systems
Digestive. This is the system that breaks down food and absorbs its nutrients. The digestive tract is a long system of tubes that run from the mouth to the anus. It includes the esophagus, stomach, small intestine, and large intestine. The liver and the pancreas...Experiment with Wind Power
Experiment with wind power as you build a simple turbine.
Magnets & Magnetism
Science Lesson Introduction to Magnetism All objects are made up of tiny particles called atoms. Atoms are composed of several different particles, including tiny negatively charged electrons that rotate around the atom nucleus. The electrons in the atoms of magnetic...Learn About Summer
Summer is the season that comes after spring and before fall. In many places, summer is the warmest time of the whole year. During summer, sunrise happens earlier and sunset happens later, which gives us more hours of daylight.