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15
×
Which of these methods is used often in forensic science?
Magnetic separation
Chromatography
Distillation
Filtration
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boom
Lose 50 points!
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×
seesaw
Swap points!
Okay!
×
shark
Other team loses 10 points!
Okay!
×
baam
Lose 25 points!
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×
baam
Lose 10 points!
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×
rocket
Go to first place!
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×
rocket
Go to first place!
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×
baam
Lose 20 points!
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15
×
The property of light that allows a shadow to form
Insulator
Opaque
Rigid
Colourful
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15
×
The property that allows us not to get wet in the rain
Soft
Opaque
Waterproof
Strong
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15
×
Will wanted to extract essence from cinnamon bark. Which separation method would he use?
Crystallisation
Distillation
Froth flotation
Filtration
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15
×
Which of the diagrams show only mixtures?
TOP: b. BOTTOM: none.
TOP: a. BOTTOM: c, d.
TOP: c. BOTTOM: a, b, d.
TOP: a, c. BOTTOM: a, b, c, d.
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15
×
Properties of a metal spoon
Shiny
Float
Conductor
Rigid
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15
×
The property that allows an object to be stretched without breaking
Heavy
Magnetic
Opaque
Elastic
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15
×
Which of the following substances is pure?
Distilled water
Tomato sauce
Cookie dough
Shampoo
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15
×
Why might scientists wish to separate substances?
To make rock candy.
They want to learn what some mixtures are made of.
They want to obtain pure substances from nature.
A mixture contains a contaminant they want to get rid of.
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15
×
The property that describes an object stay on the surface of water
Rigid
Transparent
Sink
Float
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seesaw
Swap points!
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shark
Other team loses 15 points!
Okay!
×
shark
Other team loses 15 points!
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×
banana
Go to last place!
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15
×
Properties of a ceramic vase
All of them
Opaque
Heavy
Fragile
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15
×
Properties of a wood
Opaque
Float
All of them
Rigid
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trap
No points!
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gold
Win 50 points!
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fairy
Take points!
5
10
15
20
25
×
thief
Give points!
5
10
15
20
25
×
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