Break it down experiments. [videorecording].
Material type:
- 531.14
Gravity-- Matter and energy -- Bology and ecosystems -- Velocity and friction -- Force: magnitude and direction -- Motion and impact.
Journey into our sewage systems, down elevator shafts, into Hollywood movie scenes, and through traffic jams to explore the mechanical electrical and chemical components needed to make things happen! A program that answers the question: "How does that really work?" - container.
DVD.
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