How hard do you need to throw a ball in the air so that it never returns? Scientists call this measure the escape velocity. Classes can explore this concept through an intriguing interactive lesson. Pupils adjust velocities and observe...

Get to know our little part of the vast universe. Learners read about the common and not-so-common facts about each of the planets in the solar system. The interactive lesson includes a large amount of information as well as a quiz to...

Do you understand the relationship between temperature and carbon dioxide in our atmosphere? This computer model shows factors such as clouds and carbon dioxide that could cause global temperatures to rise. Students investigate how the...

A virtual lab to look at the physical features of Earth that affect the amount of the Sun's energy that hits Earth. Students investigate how solar and infrared radiations enters and leaves the atmosphere with this model. Virtual lab...