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25
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A force that can cause moving object to slow down because of two surfaces/objects that are in contact is called _______ force.
friction
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monster
Reset all scores!
Oops!
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gold
Win 50 points!
Okay!
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gift
Win 20 points!
Okay!
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banana
Go to last place!
Oops!
25
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When the unlike poles of magnet are facing each other, they will _____ .
attract
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25
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Which person will land on the ground first?
A person with parachute 2
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25
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Name force 1 and force 2 based on the picture!
1: air resistance, 2: friction
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seesaw
Swap points!
Oops!
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shark
Other team loses 15 points!
Okay!
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gift
Win 20 points!
Okay!
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baam
Lose 10 points!
Oops!
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heart
Other team wins 20 points!
Oops!
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fairy
Take points!
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25
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fairy
Take points!
5
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25
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lifesaver
Give 25 points!
Oops!
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banana
Go to last place!
Oops!
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star
Double points!
Okay!
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fairy
Take points!
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25
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thief
Give points!
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25
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Mention two examples of non contact force!
Magnetic force, gravity force
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25
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An object will have different weight on Earth and on the Moon. Why?
Weight is affected by gravity. The Earth and the Moon have different amount of gravity.
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25
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Which statements are correct about force?
1, 3, and 4
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25
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The object shown by the picture is _______, it is used to measure _______ .
balance scale, mass
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25
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Gold and aluminum are magnetic objects. True or False?
False.
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25
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Airplanes and birds have streamlined shape that is useful to _________ .
reduce air resistance
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25
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The flowing water in the picture is an example of _______ force.
gravity
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25
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Mention two problems caused by friction!
Wear and tear, difficult to move things
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