Tornado winds can reach more than 200 miles per hour. Learners explore wind speeds and more characteristics of tornadoes with an online lesson. They learn how tornadoes form and how scientists attempt to predict them. Can be used as an...

Get ready for an explosive lesson! Learners read and interact with an online lesson describing the characteristics of volcanoes. They study specific historical volcanoes as well as the science of volcanic eruptions using animations and...