IELTS 7.0 - Listening Quiz 5

At its conception, the universe is compared with a ___________

Based on the Big Bang theory, the universe was born _________ years ago.

The universe began to expand rapidly during the __________ epoch.

The first ever known element in the universe is _____________

Which era is defined by a period of constant shifts of atomic particles and quarks?

In ________ epoch, stars began to form.

Besides helium, ___________ plays a crucial role in the emergence of various elements in the universe.