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15
×
A student wrote this name for a compound made of calcium and sulfur: sulfur calcium. Is this correct?
No
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15
×
quantity that must be changed in order to do something
energy
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15
×
Which two elements are combined in magnesium oxide?
magnesium and oxygen
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trap
No points!
Oops!
×
rocket
Go to first place!
Okay!
×
shark
Other team loses 25 points!
Okay!
×
banana
Go to last place!
Oops!
15
×
when energy is converted from one store to another
change
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15
×
What is the chemical formula for carbon monoxide?
CO
CO2
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×
seesaw
Swap points!
Oops!
×
rocket
Go to first place!
Okay!
×
shark
Other team loses 20 points!
Okay!
×
banana
Go to last place!
Oops!
×
monster
Reset all scores!
Oops!
×
seesaw
Swap points!
Okay!
×
gift
Win 25 points!
Okay!
×
lifesaver
Give 10 points!
Oops!
15
×
Which two elements are combined in hydrogen sulfide?
hydrogen and sulfur
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15
×
The sailor did not know about gravity, so could not give an______ for the tides.
explanation
conclusion
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15
×
energy stored when objects change shape
elastic potential
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15
×
Which of these causes the force of gravity for tides on Earth?
the Moon only
the Sun and Moon
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15
×
The strength of gravity is 10 N/kg on Earth. Calculate the weight of an adult who has a mass of 75 kg.
7500N
750N
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15
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a store of chemical energy
fuel
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15
×
How does your mass on Earth would compare with your mass on Mercury.
It will be greater
It's the same
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15
×
energy associated with movement
kinetic
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