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Science Revision > Sound & Light > Flashcards

Sound & Light Flashcards

1
Q

Another word for vibrations

A

Oscillations

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2
Q

Can sound travel through space if not why

A

No because there are no particles in space n

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3
Q

How does sound travel

A

The oscillations bounce of particles in the air

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4
Q

Does sound travel quicker in liquid, gas, solid & why

A

Solids because the particles are closer together

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5
Q

Does low amplitude have less or more energy

A

Less energy

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6
Q

What does amplitude depend on

A

The energy in the vibrations

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7
Q

Frequency definition

A

Number of waves which go past a particular point per second

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8
Q

What is frequency measured in

A

Hertz

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9
Q

1 Hz =

A

1 sound wave per second

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10
Q

What is the pinnas job in the ear

A

collects sound waves and channels them into the ear canal

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11
Q

What do the ear bones do

A

Makes sound louder

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12
Q

What does the ear canal do

A

an entryway for sound waves,

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13
Q

What is a cochlea

A

participates in the process of auditory transduction

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14
Q

What’s an ear drum

A

that separates your outer ear from your middle ear.

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15
Q

Explain why damage to the eardrum can result in hearing loss

A

The vibrations can’t go through to the brain

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16
Q

Light is a form of …….

A

Energy

17
Q

Transparent

A

Allows light through

18
Q

Translucent

A

Scatters light

19
Q

Opaque

A

Doesn’t let light through

20
Q

In a reflection diagram what is the angle of incidence

A

It goes into the mirror from the left hand side

21
Q

In a reflection diagram what is the angle of reflection

A

The line that comes out of the mirror that is on the right hand side also eaqul to the angle of incidence

22
Q

What happens when light is shone at a concave mirror

A

The light is reflected inwards

23
Q

What happens when light is shone at a convex mirror

A

The light is reflected outwards

24
Q

Concave mirror folds what way (/)

A

)

25
Q

Convex mirror folds what way (/)

A

(

26
Q

What is the line going through both angles called

A

The normal line

27
Q

What is at the bottom of the reflection diagram

A

The mirror ———
///////

28
Q

Iris

A

helps control the size of the pupil to let more or less light into the eye.

29
Q

Pupil

A

To allow light to enter the eye so it can be focused on the retina to begin the process of sight

30
Q

Cornea

A

protecting the eye from outside infiltrates

31
Q

Lense

A

to bend the light to focus it on the retina.

32
Q

Retina

A

converts light that enters into your eye into electrical signals your optic nerve sends to your brain which creates the images you see.

33
Q

Optic nerve

A

send visual messages to your brain to help you see

34
Q

Three Main science colours are

A

Blue, green, red

35
Q

3 main secondary science colour

A

Cyan, magenta, yellow

Science Revision (6 decks)

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