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Seeing colour (1.1)

Last updated almost 8 years ago

32 questions

Note from the author:

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seeing colour

Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Explain in your own words why we see colours.

Now you can do activity 2 to 8 on page 12 in your textbook. Once you are done, use the answers below to check your work.

Question 8

8.

Begrijp je de opgaven van het boek die je net gemaakt heb? Antwoord alleen ja of nee

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Question 16

16.

Question 17

17.

Question 18

18.

Question 19

19.

Question 20

20.

Question 21

21.

Question 22

22.

Question 23

23.

Question 24

24.

Do you understand the questions from the book? If your answer is no, have another look at the video.

Question 25

25.

Why do you think there is a difference when you mix different colours of light as compared to when you mix different colours of paint?

Question 26

26.

Question 27

27.

Question 28

28.

Question 29

29.

Question 30

30.

Question 31

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Question 32

32.

Do you understand the questions 16, 17 and 18?

In the rainbow you see all known colours.

True

False

The rainbow consists of six colours.

True

False

A red object absorbs red light

True

False

A white object reflects all the light.

True

False

Which colour does not belong to the six colours of the rainbow?

Red

Green

Purple

Violet

Which of the following is NOT a lightsource

Sun

Moon

Halogen lamp that is switchen on

UV lamp that is switched on

Question 9

9.

Explain how we can see things.

Question 10

10.

Explain what the difference is between rods and cells

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

What is peripheral vision. (Write it in your own words, and dont copy-paste something)

A colour tv only works with red, yellow and blue pixels

True

False

With only three colours, you can make all the colours of the rainbow

True

False

Under a coloured lamp it is possible for objects of colour to appear black.

True

False

Most colour blind people can not distinguish between red and green

True

False

Which colours are not observed by the cones?

Red

Yellow

Blue

None

Which cones react more strongly to the light of a candle?

Red and blue

Red and green

Green and blue

Why do you not see colour when observing things in the moonlight?

Rods dont see colours

Cones dont see colours

There is no colour present

Which colour is NOT absorbed by a red surface?

Red

Blue

Yellow

Green

An inkjet printer usually only has four colours of ink: magenta, cyan, yellow and black.

True

False

The yellow ink of a printer absorbes only one colour.

True

False

Cyan absorbes red light.

True

False

Which colour will you see if you project yellow on a blue screen?

Yellow

Blue

White

Black

Which colour will you see if you project magenta on a red screen?

Magenta

Red

Black

White

Which colour will you see if red, green and blue are projected on a white screen?

Black

White

Grey

Yellow

Which part of the eye is better at seeing colour?

Rods

Cones

Which part of the eye can spot the contrast between different shades of grey?

Rods

Cones

Which part is better at spotting movement?

Rods

Cones

Which part is better at spotting the finer details?

Rods

Cones