The sun sends the earth 35,000 times the amount of energy required by all of us on the entire planet, every day. The fourth lesson in the 10-part series looks at how light energy from the sun transfers into thermal energy. Scholars build...

Add a visual aid to your solar system lessons. Enthusiastic astronomers create a model depicting the nine planets and their distance from the sun. 

In this health worksheet, students respond to 46 multiple choice questions related to foodborne illnesses and the prevention of contaminating foods. They also identify which foods are safe to eat as leftovers and which are not safe to eat.