Lesson: The Big Bang Science • Third Year of Preparatory School

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In this lesson, we will learn how the universe began and how it has changed over the course of billions of years.

Students will be able to

know what the universe is,
know that the universe began with the Big Bang,
know that the Big Bang occurred approximately 14 billion years ago,
know that the initial state of the universe had a very high pressure, temperature, and density,
know that the universe is constantly expanding,
know that in the early universe, only light elements such as hydrogen and helium formed,
know that over time, gravity began to form galaxies,
know that galaxies appear to be moving apart with the expansion of space.