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year 8 Science Homework Week 2

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Last updated over 4 years ago
15 questions
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Question 1
1.

Ultrasound and Echoes are examples of…

Question 2
2.

When sound reaches an object, some of it is _______ back to the source

Question 3
3.

Sonograms use __________ to produce images

Question 4
4.

Animals using sound waves is called….

Question 5
5.

________ is used to measure further distances

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Question 6
6.

Which type of electromagnetic wave is the blue box covering?

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Question 7
7.

Which type of electromagnetic wave is the orange box covering?

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Question 8
8.

Which type of electromagnetic wave is the yellow box covering?

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Question 9
9.

Which type of electromagnetic wave is the yellow box covering?

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Question 10
10.

Which type of electromagnetic wave is the blue box covering?

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Question 11
11.

Which type of electromagnetic wave is the orange box covering?

Question 12
12.

An object that gives out its own light is called a…..

Question 13
13.

Light rays always travel in….

Question 14
14.

Materials that light cannot pass through are called…

Question 15
15.

Materials that some light can pass through are called…