Time Measurement

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What are the basic conversions in time?

60 seconds = 1 minute, 60 minutes = 1 hour, 24 hours = 1 day, 7 days = 1 week, 12 months = 1 year, 10 years = 1 decade

What is the definition of elapsed time?

Elapsed time is the time passed between a certain number of moments.

What instruments are used to measure time?

Clocks, calendars, and diaries are used to measure time.

What are some challenges of using a sundial for timekeeping?

Creating shadows on overcast days and at night Signup and view all the answers

What were clay oil lamps used for in timekeeping?

To check the level of oil that had depleted as time passed Signup and view all the answers

How were candles used for timekeeping?

Candles were marked with intervals, and each time a candle reached a certain interval as it burned, it would help people read how many time intervals had passed Signup and view all the answers

Why were water clocks not accurate over time?

The movement of water is affected by pressure, causing the water clock to lose accuracy as time goes by Signup and view all the answers

How can the time elapsed between two moments be found on an analog clock?

The time elapsed between two moments on an analog clock can be found by subtracting the initial time from the final time, considering hours and minutes separately. Signup and view all the answers

What is the Mountain Strategy for calculating elapsed time?

The Mountain Strategy is a time elapsed calculation method that uses images instead of numbers. It assigns key objects to different time intervals (mountains for hours, hills for 10-minute intervals, and rocks for 5-minute intervals) and represents the elapsed time visually on a number line. Signup and view all the answers

What was one of the early methods used by humans to measure time?

One of the early methods used by humans to measure time was relying on natural events such as the stars, the sunrise, the sunset, and the changing seasons. Signup and view all the answers

Flashcards are hidden until you start studying