CAMBRIDGE LOWER SECONDARY SCIENCE 8 UNIT 6: LANGUAGE DEVELOPMENT
Name ___________________________________
Date _____________
Worksheet 6.1
Reflection and refraction vocabulary
1
Write the scientific and everyday meanings of these words.
a
Normal
scientific meaning:
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everyday meaning:
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b Plane
scientific meaning:
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_______________________________________________________________________________
everyday meaning:
_______________________________________________________________________________
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_______________________________________________________________________________
Cambridge Lower Secondary Science 8 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
1
CAMBRIDGE LOWER SECONDARY SCIENCE 8 UNIT 6: LANGUAGE DEVELOPMENT
2
These sentences contain mistakes. Write each sentence again with the mistake corrected.
a
When light is reflected, the angle of incidence is greater than the angle of reflection.
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b In a ray diagram for a plane mirror, the angle of incidence is measured from
the direction of the incident ray to the surface of the mirror.
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_______________________________________________________________________________
Cambridge Lower Secondary Science 8 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
2
CAMBRIDGE LOWER SECONDARY SCIENCE 8 UNIT 6: LANGUAGE DEVELOPMENT
Name ___________________________________
Date _____________
Worksheet 6.2
Light wordsearch
Answer the clues, then find the words in the grid on the next page.
1
In a blue filter, red light gets ________________. (8 letters, starts with A)
2
When blue and green light mix, it makes ________________. (4 letters, starts with C)
3
When light is refracted, it changes speed and ________________. (9 letters, starts with D)
4
White light can be passed through a ________________ to subtract colours. (6 letters, starts with F)
5
When red and blue light mix, it makes ________________. (7 letters, starts with M)
6
A triangular ________________ can be used for dispersion of white light (5 letters, starts with P)
7
When white light shines on a blue object, blue light is ________________. (9 letters, starts with R)
8
A continuous range of colours, such as a rainbow, is called a ________________.
(8 letters, starts with S)
9
When white light shines on a green filter, green light is ________________. (11 letters, starts with T)
Cambridge Lower Secondary Science 8 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
3
CAMBRIDGE LOWER SECONDARY SCIENCE 8 UNIT 6: LANGUAGE DEVELOPMENT
Name ___________________________________
Date _____________
Worksheet 6.3
Correcting the answers
The answers to these questions are wrong. Write the correct answer on the answer line.
1
Question: Write the name given to light changing direction when passing from air to glass.
Wrong answer: reflection
Correct answer: ___________________________
2
Question: What does a galaxy contain?
Wrong answer: stellar dust and gas only
Correct answer: ___________________________
3
Question: State the material that asteroids are made from.
Wrong answer: gas
Correct answer: ___________________________
4
Question: State the term given to white light being separated into its component colours.
Wrong answer: triangular prism
Correct answer: ___________________________
5
Question: What name is given to a diagram showing the paths of light rays?
Wrong answer: light picture
Correct answer: ___________________________
Cambridge Lower Secondary Science 8 – Mary Jones, Diane Fellowes-Freeman and Michael Smyth © Cambridge University Press 2021
4