UK’s atomic clock ‘is world’s most accurate’

This is an article from BBC Science, really useful for how we work out units!
By Jason Palmer Science and technology reporter, BBC News, Teddington
An atomic clock at the UK’s National Physical Laboratory (NPL) has the best long-term accuracy of any in the world, research has found.
Studies of the clock’s performance, to be published in the …

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Permanent link to this article: https://www.animatedscience.co.uk/2011/uks-atomic-clock-is-worlds-most-accurate

Cool Chemistry Demo’s

This is a set of cool Chemistry / Physics demos which can be quite exciting and dangerous. They are not mine so I take no resposibility for each one or how you apply it. I have only put them here for reference to give you some ideas!
Methane Bubbles. Methane from a natural gas line or …

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Permanent link to this article: https://www.animatedscience.co.uk/2011/cool-chemistry-demos

KS3-5 Waves Animation

This animation acts as a simple virtual oscilloscope with explainations and calculations on wavelength….

Permanent link to this article: https://www.animatedscience.co.uk/2011/ks3-5-waves-animation

Hangman

Here is a simple hangman game. It is based on pH for Y7 with a selection of words. However, you can also type in your own word for kids to guess using any 12 letters dynamically for any topic for revision or end of year fun. Suitable for all ages!

Permanent link to this article: https://www.animatedscience.co.uk/2011/hangman

30s Countdown Clock

If you fancy a quick 30s timer with sound for the projector or a game then here it is….
 

Permanent link to this article: https://www.animatedscience.co.uk/2011/30s-countdown-clock

Science Stopwatch..

If you need a quick science stopwatch for an experiement or a projector…

Permanent link to this article: https://www.animatedscience.co.uk/2011/science-stopwatch

A Selection of Animal Videos…

Just click on the pictures of the animals to see a video….

Animals

Maldivian Snail
This clip was taken on Kurumba Island Beach in the Maldives 2004. It shows the mollusc in action on the sand. (no sound)
Patagonian Cavy
This clip was taken at Twycross Zoo in Leicestershire. It is of a Patagonian Cavy up close. (no sound)
Sheep
This clip …

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Permanent link to this article: https://www.animatedscience.co.uk/2011/a-selection-of-animal-videos

SI Units…

Here are some basic SI units that you might want to use in your calculations….

quantity
name
symbol
in terms of …

other units
base units

plane angle
radian
rad
 
m m−1

solid angle
steradian
sr
 
m2 m−2

frequency
hertz
Hz
 
s−1

force
newton
N
 
m kg s−2

pressure, stress
pascal
Pa
N/m2
m−1 kg s−2

energy, work, heat
joule
J
N m
m2 kg s−2

power, heat flow
watt
W
J/s
m2 kg s−3

electric charge
coulomb
C
 
s A

electric potential
volt
V
W/A
m2 kg s−3 A−1

capacitance
farad
F
C/V
m−2 kg−1 s4 A2

resistance
ohm
Ω
V/A
m2 kg s−3 A−2

conductance
siemens
S
A/V
m−2 kg−1 s3 A2

magnetic flux
weber
Wb
V s
m2 kg s−2 A−1

magnetic flux density
tesla
T
Wb/m2
kg s−2 A−1

inductance
henry
H
Wb/A
 m2 kg s−2 A−2

celsius temperature
degree celsius

 
K

luminous flux
lumen
lm
cd sr
m2 m−2 cd

illuminance
lux
lx
lm/m2
m−2 cd

radioactivity
becquerel
Bq
 
s−1

absorbed dose
gray
Gy
J/kg
m2 s−2

equivalent dose
sievert
Sv
J/kg
m2 s−2

catalytic activity
katal
kat
 
s−1 mol

Permanent link to this article: https://www.animatedscience.co.uk/2011/si-units

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