______ ______ go back to their initial shape when a force stops acting upon them.
Elastic objects
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monster
Reset all scores!
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magnet
Take 20 points!
Okay!
gift
Win 25 points!
Okay!
thief
Give points!
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15
T/f : the sounds made by whales travel long distances because there are few obstacles in its path. los sonidos que emiten las ballenas recorren largas distancias porque hay pocos obstÃĄculos en su camino.
True
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15
T/f: An object at rest can move without a force. (59)
False
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15
Volume is measured in ______
Decibels (dB)
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15
T/f: sounds travel faster in liquids than in gases
True
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15
When we push or pull something, or pick up an object up from the ground we are using _______(58)
Force
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15
T/f: forces can break objects
True
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seesaw
Swap points!
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magnet
Take 25 points!
Okay!
fairy
Take points!
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lifesaver
Give 10 points!
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15
Clay is an example of a _______ object
Plastic
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15
T/f: When an object vibrates it makes big movements very slowly
False: it makes SMALL movements very QUICKLY
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15
To make an object move you have to ____?
Put force on it
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15
______ _______ do not return to their initial shape.
Plastic objects
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15
T/f : not all objects respond to force the same way.