Lesson Worksheet: The Big Bang Science

In this worksheet, we will practice describing how the universe began and how it has changed over the course of billions of years.

Q1:

Which of the following occurred last?

  • AThe development of life on Earth
  • BThe formation of the Milky Way
  • CThe formation of the solar system
  • DThe big bang

Q2:

Which of the following statements is true?

  • AThe universe is contracting.
  • BThe universe is expanding.
  • CThe universe is neither expanding nor contracting.

Q3:

Complete the following sentence: The elements that formed in the early universe are than the ones that formed later.

  • Aheavier
  • Blighter

Q4:

Approximately how long ago did the big bang occur?

  • A6,000 years ago
  • B1 million years ago
  • C14 billion years ago
  • D14 million years ago
  • E4 billion years ago

Q5:

When the universe began, was it denser than, less dense than, or the same density as it is today?

  • ALess dense
  • BThe same density
  • CDenser

Q6:

Which of the following statements is true?

  • AAt the very beginning, the universe had a very high temperature, high pressure, and high density.
  • BAt the very beginning, the universe had a very low temperature, low pressure, and low density.

Q7:

When the universe began, was it at a higher pressure, a lower pressure, or the same pressure as it is today?

  • AThe same pressure
  • BA lower pressure
  • CA higher pressure

Q8:

When the universe began, was it at a higher temperature, a lower temperature, or the same temperature as it is today?

  • AA higher temperature
  • BA lower temperature
  • CThe same temperature

Q9:

What was the most common element in the early universe?

  • AHelium
  • BHydrogen
  • CGold
  • DIron
  • ELithium

Q10:

Complete the following sentence: Over time, pulled matter in the universe together to form galaxies.

  • Anuclear forces
  • Belectrostatic forces
  • Cgravity

This lesson includes 19 additional questions for subscribers.

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