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Threshold 1: The Big Bang

Threshold 1: The Big Bang (1:59)

Key Ideas

As this video progresses, key ideas will be introduced to invoke discussion.

Key Ideas

Think about the following questions as you watch the video


  1. 00:26 How long ago did the Big Bang happen?
  2. 00:46 What made the Big Bang possible? Why did the Big Bang happen? Was there space and time before the Big Bang?
  3. 01:15 When did matter and energy form after the Big Bang?
  4. 01:20 What forms did energy take after the Big Bang?