We use a sounding board called a sonometer to investigate how the pitch of sound changes when the length of wire being plucked changes. We change the position of a moveable bridge to change the length of the wire and discover that...

The bending or spreading of waves when they encounter an obstacle. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...

The lowest frequency range of electromagnetic radiation, with wavelengths from millimetres to many kilometres. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...

A fluorescent substance is one that absorbs light at one wavelength and re-emits the energy as light at another wavelength, usually longer, a phenomenon called fluorescence. A Twig Science Glossary Film. Key scientific terms defined in...

Find out why the sky is blue.
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Physical processes -Light


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Learning Point
s


The Sun emits white light.


White light can
b

e split into the spectrum of...

Optical activity refers to the ability of chiral compounds to rotate the plane of polarized light. Compounds that rotate light clockwise are termed dextrorotatory (+), while those that rotate it counterclockwise are levorotatory (−). The...

By the end of this learning object, the learner should be able to: Classify waves according to their ability to propagate and transfer energy in space.9871

By the end of this learning object, the student will be able to: Summarize the types of wave motion and its law.28774

By the end of this learning object, the student will be able to: Recognize the spectrum colors.86731

Jump into 'What Is Wavelength And Frequency?' to see how waves move and groove! Perfect for curious kids on a quick, colorful science adventure.

Ride into 'Waves' to discover the powerful forces that shape our oceans, sounds, and even light! It's a splashing journey into the science of waves, made simple and fun for kids.

Discover the characteristics of sound waves, including wavelength, frequency, and pitch. Learn about the Doppler effect and its impact on sound perception. Explore how acoustics influence building design and sound...

Dr. Forrester explains the qualities of sound, pitch and volume, and how sound is created through vibrations.

Dr. Forrester explains light energy and how it travels.

Dr. Forrester explains how sound behaves through different mediums.

This video is answering the question of what is wave length.

This video covers:

- What wave
s are
- How to label a wave. E.g. amplitude, wavelength, crest, trough and ti
me period
- How to calcul
ate wave speed
- The difference between transverse an

d longitudina
l...

This video covers:

- The idea that objects can absorb and emit energy in the form of radiation, and that this can affect their temper
ature
- What determines which type of radiation
is emitted
- Wavelength-in
tensity...

In this video we cover the following:

- The 7 different types, and order, of the waves in the electromagnetic spe
ctrum
- The phrase ROYGBIV to help you remember the order of colours in the visible ligh
t spectrum
- The...

This video covers:

- The different colours of visible l
ight
- How light is used is optic
al fibres
- The concept of fluorescence with ultrav
iolet radiation
- How ultraviolet radiation can

be used in...

In this video, we cover:

- How light microscopes
work
- How electrons micros
copes work
- The pros a

nd cons of each


Exam board specific info:r/>AQA - Suitable for everyone
IGC
SE Edexcel - Suitable for...

Why Quantum mechanics applies to more than just the smallest particles. And how quantum mehcnaics converges to the classical limit depending on the de brogile wavelength.

We explore the double slit experiment and discover bucky...

This video will explain the electromagnetic radiation spectrum, what it is, and how it can be used to observe space objects.

Amplitude, Frequency, and Wavelength describes amplitude, frequency, and wavelength to explain how they impact a wave's energy.