Clock

High school (ages 12+)
Mathematics & Numbers

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/clock

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is a clock?A clock is a device that tells us the time, helping us know when to do things like school, play, or sleep.
2. Why did people make water clocks?Water clocks were made because they could measure time even when the sun was hidden by clouds, making timekeeping more reliable.

Chronometry: The science of accurate time measurement and recording.
Escapement Mechanism: A device in mechanical clocks that controls the release of energy from the power source, allowing gears to advance incrementally.
Piezoelectric Effect: The property of certain materials, like quartz, to generate an electric charge in response to applied mechanical stress, or vice versa.
Cesium Standard: An atomic clock that uses the specific microwave frequency of the cesium-133 atom to define the second.