Earth is a complex structure. Learners explore their home, the earth, using a fun hands-on activity. They create tactile models of the earth using ordinary household materials that represent some common features: land, polar caps,...

Huygens spacecraft landed on Saturn's moon Titan in 2005, making it the farthest landing from Earth ever made by a spacecraft. In this hands-on activity, the 12th installment of 22, groups explore how density affects speed. To do this,...

Scholars take part in two exercises to boost their knowledge of personification. After reading a detailed description and excerpts from famous poems, writers list action verbs and objects then combine words to create a humorous...

Students will explore the difference between the three types of contrails. Then they will make observations of contrails outside, record their observations, and then make follow-up observations 15 minutes later to see how the contrails...