Lesson 3 Flashcards by Abigail Halsall | Brainscape

Q

What is sound?

A

Lots of vibrations

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Q

How do you get different pitches and volumes?

A

Different wavelengths and amplitudes

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Q

What is an ultrasound?

A

Image made by waves

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Q

Name parts of your eye

A

Pupil iris relana lens optic nerve sclera corncea

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Q

Primary colours?

A

Red
Green
Blue

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Q

Secondary colours?

A

Cyan
Yellow
Magenta

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Q

Why does your jumper look green?

A

It is the only colour that is reflected

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