WorksheetsTime measuring devices
Total questions: 12
Worksheet time: 12mins
Which factors affect the time period of a sand clock?
Sand quantity and roughness
Bulb size
The narrow neck of glass
glass bulbs
Which of these is NOT a unit of time?
Second
Minute
Plankton
Pascal
An atomic clock doesn’t gain or lose a second in over
50 billion years
20 million years
30 million years
78 trillion years
Which principle is the water clock based on?
(a)
The IST is how many hours ahead or behind the GMT?
4 hrs 30 mins behind
5 hrs 30 min ahead
6 hrs 30 min behind
5 hrs 40 mins ahead
How does an atomic clock measure time?
clue: atoms
(a)
Which principle is the sundial based on?
shadow formation
sunlight
VIBGYOR formation
vibration of atoms
When was the water clock first used?
4000 BCE
2000 BCE
500 CE
1000 BCE
Write one disadvantage of sundial
The hands of a quartz crystal vibrate how many times per second?
31,835
27,937
32,768
32,934
GIve an example of a way to measure time that wasn't listed in the lesson.
Challenge question:
What do you think is the formula for speed?
(a)
