Young scholars explore parts of an impact crater and compare and contrast craters found in Earth, the Moon, and Mars. Crater formation is modelled and the relationship of mass, velocity, and size of the projectile to the crater formation...

Students explore natural disasters around the world from the experiences of other students, friends and families. They collaborate with countries such as Japan, China, India, Australia, Russia, Great Britain as well as from the United...

After reading five short paragraphs about planet earth, students must answer 4 comprehension questions about the topic. This worksheet provides great practice for state testing in language arts. 

Fourth graders research and analyze theories on why dinosaurs became extinct. They need to find clues as to what the cause may have been. They record the evidence that they find to support their theory on the Dinosaur Extinction Theory...