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25
×
What is this material that can hold water without absorbing it?
pail
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25
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What kind of materials sink on water?
Objects made of metal.
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25
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TRUE or FALSE: Biodegradable materials take years to decay.
FALSE
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25
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TRUE or FALSE: Absorbent materials like paper bags can protect our things when it is raining.
FALSE
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monster
Reset all scores!
Oops!
×
rocket
Go to first place!
Okay!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
25
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How is this object useful to us?
It helps us float on water and keeps us from drowning.
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25
×
What property of a material refers to its ability to decay over time?
biodegradability
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25
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What do you call the property of a material to float or sink on water?
buoyancy
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25
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TRUE or FALSE: Materials that decay easily can be recycled.
TRUE
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heart
Other team wins 20 points!
Oops!
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seesaw
Swap points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 20 points!
Oops!
25
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TRUE or FALSE: When a material decays, it usually changes in color and odor.
TRUE
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Okay!
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trap
No points!
Oops!
×
shark
Other team loses 20 points!
Okay!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
25
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Which of these will float on water? honey, oil, or syrup?
oil
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Okay!
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heart
Other team wins 15 points!
Oops!
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shark
Other team loses 25 points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 25 points!
Oops!
25
×
Given an example of a non-biodegradable material.
Answer may vary.
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25
×
TRUE or FALSE: Diamonds float on water
FALSE
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Okay!
Check
×
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