Natural Sciences grade 8 Term 3
Authored by Carla Watson
Science
8th Grade
Used 35+ times
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41 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A circuit can ____ when a very large current flows through it.
bom
explode
overheat
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The retina contains specialised receptor cells which convert light energy into.
visual energy
electric nerve impulses
potential energy
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which light is refracted the most?
violet
blue
indigo
orange
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is used to break up water into hydrogen and oxygen?
Fuel
Electrolysis
Hammer
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does LED stand for?
Light emitting diode
Light emission diode
Light electrical diode
None
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct symbol for a light bulb?
7.
FILL IN THE BLANKS QUESTION
45 sec • 1 pt
The planets and all light - reflecting objects are examples of (a) objects
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