Lesson from the yr 9 activate 3 topic on detecting position. Describes how GPS works and how you can find the distance to planets and stars.

Lesson on detecting particles from the yr activate 3 topic on detection. The lesson describes how physicists investigate what the Universe is made of and describes how particles can be detected.

Lesson created for the yr9 Acrivate 3 physics topic on detection. this lesson describes how a radio wave carriers a signal.