Curated OER
Lines, Segments, and Rays
Fifth graders use their arm, toothpicks, and marshmallows to create lines, segments, and rays. In this lines, segments, and rays lesson plan, 5th graders learn how these appear on a plane.
Curated OER
What's Out There? Space Shuttle Exploration and Simulation
Students role-play the jobs of space shuttle astronauts, conduct experiments, and research space using the Internet and offline experiments. Student-astronauts hold a "press conference" to share their information with others in a...