Sound
LeveL MeterHas a range of 35-120 dB. Calibrated by
an internal oscillator and powered by 1x9V PP3 battery (included). Robust
construction for student field use. Complete with a carrying case.
42/635
£48.95
Sun
print pAper Contains 10 sheets of light sensitive paper. This gives a
white image on dark blue paper when an object is placed in contact with it then
exposed to bright light.
64/695
£3.40
SiMpLe
Sound LeveL MeterMeter has a LED dial. Reads from 50 -
100dB. It is easy to use and robust. Size 145 x 75mm. Requires 2 x AA
batteries.
42/ 720 £14.70
LiGHt
poSter Set A set of three posters showing light, shadows and
reflection.
40/438 £9.75
Sound
poSter Set A useful set of three posters showing how we hear sound,
loudness, amplitude, pitch and vibration. Size 840 x 594mm.
40/439 £9.75
LiGHt
& SHAdowS Kit QCA Approved classroom kit now including detailed teachers'
notes How are shadows formed? How do shadows change throughout the day? Does
the sun shine from the same direction at the same time each day? How do we know
the earth spins on its axis? Do all materials let light through? Which surfaces
reflect light best? How can a shadow change?
67/735 £29.95
tuninG ForKS Tuning forks for producing sounds at a constant
frequency/pitch. Available in Middle C or Top C.
26/229 £3.75 Middle C 256 Hz
26/230 £3.75 top C 512 Hz
periSCope Useful for demonstrating practical uses for mirrors. Size
110 x 70 x 300 mm, extends to 470mm. Design may vary.
40/235 £10.95
Mini periSCope Set Pack consists of 10 mini periscopes made from coated
cardboard. A practical way to learn about reflection. Flat packed.
40/673 £8.50
qCA
Approved SoundS Kit Classroom kit with photocopiable work sheets and now
including detailed teachers' notes Making sounds - visible vibrations Watching
sounds travel Measuring vibrations Which material can sound travel through?
Which is the best material for muffling sound? What is pitch? Investigating
pitch.
