What is Time?

10/10/2020 2:49:00 PM

Image: National Institute of Standards and Technology

Do you know?

  • How long it takes the Earth to rotate – isn’t 24 hours. It’s 23 hours, 56 minutes and 4.2 seconds.
  • There are total 31,557,600 seconds in a year.

Let's explore more about time in the following passage!

FACT: The smallest standard scientific measure of time is the “Planck time”.

Image: National Institute of Standards and Technology

Listen and choose the correct answer to each of the following questions.

  • What is one thing you use to measure time?
  • In which season do the leaves change color?

According to the audio, what is one thing you use to measure time?

  • a stopwatch
  • a calculator
  • a ruler

In which season do the leaves change color?

  • summer
  • fall
  • winter

Complete the text you are listening to by dragging the correct word to each blank.

Sometimes, time to go fast. Other times, it seems to go slow. Does the of time change? Time doesn't really change. We only think it does. Sometimes, telling time can be confusing! What is time? We use time to how long it takes to do something. You might use a stopwatch to measure time. Time is seconds. It takes seconds to my pencil. Time is minutes. It takes minutes to eat my lunch. Kids usually have about 20 minutes to eat lunch at school. Time is hours. It takes hours for the school day to finish. After many hours at school, a boy takes the bus home. Time is days. It takes days for us to drive across the United States. If you only stop to sleep, it could take 3 days to cross the US. Time is weeks. It takes weeks for my hair to grow. After a few weeks, a boy needs a haircut.  Time is months. It takes months for the seasons to change. The leaves change color in the fall months. Time is years. It takes years for you to grow big and tall. You will graduate in 11 more years!

Read and answer the following questions.

What is Time? 

Image: brainfeedmagazine.com

Sometimes, time seems to go fast. Other times, it seems to go slow. Does the speed of time change? Time doesn't really change. We only think it does. Sometimes, telling time can be confusing! What is time? We use time to measure how long it takes to do something. You might use a stopwatch to measure time.

Time is seconds. It takes seconds to sharpen my pencil. Time is minutes. It takes minutes to eat my lunch. Kids usually have about 20 minutes to eat lunch at school. Time is hours. It takes hours for the school day to finish. After many hours at school, a boy takes the bus home. Time is days. It takes days for us to drive across the United States. If you only stop to sleep, it could take 3 days to cross the US. Time is weeks. It takes weeks for my hair to grow. After a few weeks, a boy needs a haircut. Time is months. It takes months for the seasons to change. The leaves change color in the fall months. Time is years. It takes years for you to grow big and tall. You will graduate in many more years!

What do we use time to measure?

  • How large something is
  • How expensive a clock or watch is
  • How long it takes to do things
  • How much you use to buy things

According to the passage, which of these actions would be measured in minutes?

  • changing of the seasons
  • sharpening a pencil
  • eating lunch
  • driving across the United States

Graduation is something that ____.

  • takes several seconds to achieve
  • takes a few minutes to achieve
  • takes some hours to achieve
  • takes many years to achieve

What is the passage mostly about?

  • The moments in your life
  • The change in speed of time
  • Things you do to kill time
  • Some units to measure time

Put the right word in each blank. The sentences are from the text.

  1. It takes seconds to my pencil.
  2. We use time to how long it takes to do something.
  3. Sometimes, time to go fast.
  4. Does the of time change?

Put the right word in each blank. These are new sentences for words in the text.

  1. This machine your heart rate.
  2. He's 16, but he often to be younger.
  3. He was travelling at a of 90 mph.
  4. I need to that knife.