Earth and Space

Big Idea: The Earth is a planet orbiting the Sun - one of many stars
in our galaxy, which is one of many galaxies in the Universe. More info...

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Episode 402: Fields, field lines and field stren...

This episode introduces the notion of a "field of force" and how we can diagrammatically represent such a field using field...

Lesson 16-19

In this episode, students will appreciate the energy changes that take place as a body moves in a gravitational field. They...

Lesson 16-19