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Revision 2
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Which two forces act on the parachutes?
Gravity and air resistance
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If you want to change the pitch of a sound, you have to change the ___
Frequency
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The process where the semen leaves the penis
Ejaculation
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What is the unit of measurement for pressure?
Pascal
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How does light behave when hitting this shirt?
Yellow is reflected; all other colors are absorbed.
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Large intestine is responsible for absorbing the water. True or False
True
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Warm air rises and the cool air sinks demonstrates this type of heat transfer.
Convection
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Which blood vessel carries blood into the heart
The vein
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Which colour is a mix of blue and green light?
Cyan
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What structure helps the sperm to swim?
Tail
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In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
Hotter to colder
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The eggs are produced in
The ovaries
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What will happen when these magnets are brought near each other?
Attract
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Bouncing of a light ray when it strikes a reflecting surface is called.........
Reflection
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This chamber of the heart RECEIVES blood returning from the body
Right Atrium
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