Read about all the jobs astronauts do and all the responsibilities they have while on a spacewalk. After reading the what, the why, and the how about spacewalks, readers respond to six comprehension questions.

Learners examine a quote from George W. Bush's recent speech on space exploration. They evaluate one writer's stance on Bush's space exploration goals by reading and discussing "Plea to Policy Makers: Let's Take Another Giant Step." In...

Students examine the life of Sacagawea, the exceptional woman chosen to appear on the Golden Dollar, and write journal entries based on their research.

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

Students identify and describe the moons of Saturn. They sort the moons by their characteristics. They write a paragraph describing the moons to end the lesson.