competitions & quizzes...pit your wits & win with Planet Science
tick tick tick time quiz
Synchronise watches – it’s time to test your knowledge on all things chronological.
If you get all 10 answers correct, you’ll be entered into the prize draw to win one of these super-snappy SuperSampler cameras.
These amazing cameras don’t just click once, but four times in quick succession. So you can capture the passage of time right in front of your eyes… Einstein would have killed for one of these!
OK, ready… steady …
GET CLICKING!
01 When the Sun is at its highest point in the sky, what time is it?
Midday
Bedtime
Dawn
02 How is the human body clock reset each day?
By the noise of an alarm clock
By light from the Sun
By getting 8 hours sleep
03 Sundials are some of the oldest clocks, but how do they work?
The Sun casts a shadow of a pointer onto a flat disk
Energy from the Sun is used to generate electricity that moves a pointer
The Sun’s heat expands a metal pointer forcing it to bend
04 What is a light year?
It is the distance that light travels in one year
It is a year with more than 200 sunny days
It is the time it takes light to travel from outside the solar system to the Earth
05 Why is there a leap year every four years?
A year is really 365.25 days long so one extra day is added every four years
Julius Caesar wanted certain years to be extended in his honour
Every four years the Earth slows fractionally down making the year slightly longer
06 According to special relativity you can stay younger if you do what?
Travel close to the speed of light
Travel close to the speed of sound
Travel close to the speed of Concorde
07 What's special about an equinox?
It is the longest day of the year
It is a day when there are 12 hours of daylight and 12 hours of darkness
It is a day when the Moon covers the Sun, blocking out the light
08 Physicists can only investigate the history of the Universe up to a tiny fraction of a second after the Big Bang. What is this fraction called?
The Iota Interval
The Planck Time
The Mobius Strip
09 If it is 2 pm on New Year’s Day in London, what time is it at the North Pole?
2 pm
Midday
6 pm
10 How many seconds are there in a leap year?
19764200
31622400
79056000
Answers:
1= Midday • 2= By the light from the Sun • 3= The Sun casts a shadow of a pointer onto a flat disk • 4= It is the distance that light travels in one year • 5= A year is really 365.25 days long so one extra day is added every four years • 6= Travel close to the speed of light • 7= It is a day when there are 12 hours of daylight and 12 hours of darkness • 8= The Planck Time • 9= 2pm • 10= 79056000 •
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