Clocks: From Sun Dials to Quartz Crystals

Clocks: From Sun Dials to Quartz Crystals

Assessment

Interactive Video

Science

KG - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores the evolution of timekeeping from ancient methods like sundials to modern quartz clocks. It highlights the significance of clocks in daily life and explains the mechanics behind different types of clocks, including pendulum, hairspring, and quartz clocks. The video also discusses the components of clocks, such as power sources, oscillators, controllers, and indicators, and how these have evolved over time.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What natural phenomenon did ancient civilizations use to create the sundial?

The change of seasons

The flow of water

The movement of the sun

The phases of the moon

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which invention in the 16th-17th century allowed for more precise time measurements?

Quartz crystal

Digital controller

Pendulum clock

Water clock

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the purpose of the hairspring developed in the 1670s?

To power clocks using solar energy

To provide precise movements in clocks

To display time digitally

To synchronize clocks with the moon

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of quartz in modern clocks?

To control the pendulum

To provide energy

To oscillate at a fixed frequency

To display time

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In modern clocks, what component is responsible for converting oscillator movements into short pulses?

The power source

The counter chain

The controller

The indicator