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Team 2
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Teams
Name
Score
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trap
No points!
Oops!
×
rocket
Go to first place!
Okay!
×
rocket
Go to first place!
Okay!
×
lifesaver
Give 25 points!
Oops!
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trap
No points!
Oops!
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star
Double points!
Okay!
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fairy
Take points!
5
10
15
20
25
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banana
Go to last place!
Oops!
15
×
Which of these is an example of a physical change?
Dissolving salt in water
Burning paper
Cooking an egg
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15
×
An element is a pure substance made up of atoms of the same kind.
False
True
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15
×
Scientists use IR spectrometers to:
Weigh substances
Detect chemical "signatures"
Measure sound waves
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15
×
In a mixture of iron and sulfur, the substances are not chemically bonded.
True
False
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15
×
What is a solute?
The leftover mixture
The substance being dissolved
The liquid that dissolves a solid
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15
×
In the reaction: Magnesium + Oxygen â Magnesium oxide, what is the product?
Magnesium oxide
Carbon dioxide
Magnesium
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15
×
What does IR in IR spectrometer stand for?
Infrared
Ionic Reflection
Intense Radiation
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15
×
What kind of change occurs when water evaporates?
Chemical reaction
Nuclear reaction
Physical change
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15
×
What makes a compound different from its original elements?
It cannot be separated
It has new, unique properties
It weighs less
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monster
Reset all scores!
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×
rocket
Go to first place!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 15 points!
Oops!
15
×
A solution is a type of mixture, not a compound.
True
False
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15
×
A compound has different properties than the elements that form it.
True
False
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15
×
What happens during a chemical reaction?
A new substance is formed
Atoms disappear
The mixture turns into a gas
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15
×
A mixture of sand and water can be separated using:
Filtration
Distillation
Chromatography
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