The Big Bounce?

The Big Bounce?

Assessment

Interactive Video

Physics, Science

11th Grade - University

Hard

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The video discusses the theory of cosmic inflation and its challenges, proposing a reinterpretation of the Big Bang as a bounce. This new perspective addresses issues like the uniformity, contact, and flatness problems by suggesting a universe that contracts and then expands. The concept of a bounce universe opens up new possibilities for setting initial conditions and understanding the universe's evolution.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one of the main criticisms of the cosmic inflation theory?

It does not involve general relativity.

It suggests the universe is static.

It perfectly explains the uniformity of the universe.

It requires a special start and leads to the multiverse.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the bounce theory address the contact problem?

By introducing a new form of energy.

By eliminating the need for gravity.

By proposing more time existed before the Big Bang.

By suggesting the universe is static.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the flatness problem in cosmology?

The universe is too curved to be explained by current models.

The universe is expanding too quickly.

The universe is too flat to be explained by a slowly expanding model.

The universe is contracting too rapidly.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a contracting universe help solve the flatness problem?

By eliminating the need for inflation.

By increasing the universe's expansion rate.

By naturally flattening the universe.

By making the universe more curved.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What potential does the bounce theory open up regarding initial conditions?

It allows for a large, classical universe with set initial conditions.

It suggests initial conditions are irrelevant.

It proposes that initial conditions are random.

It allows for a universe where quantum physics is dominant.