Flashcards
Sound and light
Flashcards do conjunto (18)
- 1What are sound waves ?sound waves are longitude waves
- 2what does longitudnal mean ?longitudinal means running lengthwise rather than across
- 3how does sound tavel ?sound travels through vibrations
- 4What does Amplitude mean?Amplitude is how LOW the sound is
- 5what does wave length relate to ?wavelength relates to the pitch of the sound .
- 6where is the trough on a sound wave ?The trough is at the bottom of the wave .
- 7Where is the amplitude on a sound wave ?The amplitude is at the top of a sound wave
- 8How can you tell whether there is a high frequency ?you can tell if there is a high frequency because the waves will be very close together and the gaps in between them will be very small.
- 9How can you tell if there is a low frequency ?you can tell if there is a low frequency because the waves will be spread apart and have gaps in-between them .
- 10what is a vacuum ?A vacuum, is a space with no matter in it.
- 11What is an echo ?An echo is a sound refelecting on a suface or an object
- 12What does sound go better through :solid, liquid or gases?Sound goes through solid better because there is lots of particles vibrating together .
- 13What are the two ways you can see objects?The two ways you can see objects are :
.You see some objects because they reflect light
.The other way you can see light is because there are light sources - 14What are light sources ?A light source is an luminous object that gives out light
- 15What does the word TRANSPARENT mean ?An object that allows ALL light to pass through .
- 16What does the word TRANSLUSANT mean ?An object that allows SOME light to pass through .
- 17What does the word OPAQUE mean ?An object that allows NO light through .
- 18What is the spectrum of colour ?The spectrum of colour is a colour that is evoked by a single wavelength of light in the visible spectrum or by a relatively narrow band of wavelength .
Informações
- Descrição
- This is flash cards for the topic sound and light . Most helpful to year 8 students sitting their exam soon but also can be helpful to everyone .Hope you do amazing on your exam !!Good luck !!
- Criado por
- Abi Fisher-Dolby
- Visualizações
- 5
- Avaliação