Young scholars demonstrate how stellar spectra measures a star's motion relative to Earth along the line of sight.

Learners work together to discover the concepts of stability and equilibrium. They examine how equilibrium is related to an item's center of mass. They create their own action scene in a literacy activity.

Students participate in an experiment to define a parts-per-billion solution. For this ecology lesson, students select a second substance to create a parts-per-billion solution and observe and record their results. Students work in...

Students research the relationship between physical activity and the prevention of illness, disease and premature death. Students understand that working out regularly will increase muscular strength, endurance and improve many areas of...

In this using infinitives in context worksheet, students read an article containing infinitives, then interactively complete 8 sentences with immediate online feedback.

Students get a taste of New Zealand. In this global studies lesson, students view photographs from the country and discuss its geographic location and features. Students then participate in a scavenger hunt based on facts about the nation.

Learners create and send postcards to friends and family members. Using actual photographs, they write a rough draft and final draft of a paragraph and print it out to glue onto a postcard template to mail to their friend or family member.

[Free Registration/Login may be required to access all resource tools.] This study guide provides a brief overview of satellites, shuttles, rockets, and space stations. Includes a few questions to check for understanding.

This unit of study explores the International Space Station through STEM experiences in space science education. Learners become a spacecraft crew and launch from Earth to discover how microgravity affects the orbit of the International...

Discover what the International Space Station is, what it does, who is building it, where it is and the answers to many more ISS questions.

Learn about the evolution of spacewalking over the last fifty years. Includes video.