Lesson Plan
BBC

Rivers

For Teachers Pre-K - 6th
The water cycle, rainfall, and the flow of water into rivers then out into the ocean are the main ideas covered here. After a teacher-led discussion and activity, learners pair off and write a commentary about the water cycle that is to...
Lesson Plan
Curated OER

Musical Mysteries

For Teachers K - 3rd
Students examine the changes that occur to sound as the pressure changes. Echoes and sound changes in caves and tunnels are explored in this activity.

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