Reading · Part 5

Long TextExercise 10 of 83

What is 'Time'?

If you can read a clock, you can know the time of day. But no one knows what time itself is. We cannot see it. We cannot touch it. We cannot hear it. We know it only by the way we mark its passing. For all our success in measuring the smallest parts of time, time remains one of the great mysteries of the universe.…

  • Why is time such a difficult concept to understand?
  • How were early humans able to begin measuring time?

Unlock all Contents

Unlock every exam, unlimited simulations, all 80 game stages and more.

Try the free exam
Long Text: tips and strategyHow to approach this part of the exam