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Secret Lab 1: Volcanoes
Find out about erupting volcanoes
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Secret Lab 1: Space and gravity
Take off to look at space and gravity
15m 11s
Factual series (2011). Series 1. Explaining all the mysteries of the world of science in BSL! In this episode, Professor Knowitall and his sidekicks, Dr Spark and Dr Bright, explain how space and gravity works. How do satellites stay in orbit? How do we stay rooted to the ground? Dr Spark goes bungee jumping to show us just how gravity works! Meanwhile, Dr Knowitall explains the impact of atoms and mass, and tells us how Isaac Newton discovered gravity when an apple fell to the ground from an apple tree. He also explains why the moon can sometimes look like it has ‘disappeared.’ Produced by Drip Media and Remark! Production for BSLBT.
This is Episode 4 of 4; you can watch Episode 1 (Forces) here, Episode 2 (Electricity and Energy) here, and Episode 3 (Volcanoes) here.
More episodes

Secret Lab 2: Aviation
Professor Knowitall explores aviation with Dr Spark and Dr Bright

Secret Lab 2: Electromagnetics
Professor Knowitall explores electromagnetics with Dr Spark and Dr Bright

Secret Lab 2: Light
Professor Knowitall explores light with Dr Spark and Dr Bright

Secret Lab 2: Sound
Professor Knowitall explores sound with Dr Spark and Dr Bright

Secret Lab 3: Acids, Alkalis and Salts
Professor Knowitall and his two assistants learn what acids and alkalis are.

Secret Lab 3: Crude Oil & Fossil Fuel
Professor Knowitall and his two assistants discover where petrol is from.

Secret Lab 3: Genetics
Professor Knowitall and his two assistants find out how our genes shape us.

Secret Lab 3: Humans and the Environment
Professor Knowitall and his two assistants learn how humans can affect the environment.

Secret Lab 3: Periodic Table
Professor Knowitall and his two assistants discover how scientists predict chemical reactions.

Secret Lab 3: The Respiratory System
Professor Knowitall and his two assistants find out how our respiratory system works.

Secret Lab Series 3 Glossary
A scientific BSL glossary for science lovers!