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15
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Write the formula for finding the density of an object.
Density = Mass / Volume
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15
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Complete the sentence. Density is…
The quantity of matter packed into a unit volume.
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thief
Give points!
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25
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gold
Win 50 points!
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gift
Win 15 points!
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baam
Lose 20 points!
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15
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What is the instrument in the picture used for?
Used to measure mass.
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15
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What is mass?
The quantity of matter in a body.
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seesaw
Swap points!
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magnet
Take 20 points!
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shark
Other team loses 25 points!
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baam
Lose 25 points!
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15
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Why do some objects float in water?
Because they have a lower density that water.
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15
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What are physical properties?
The qualities that can be detected using our five senses or a measuring device.
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15
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What property of materials is being described? Temperature at which it changes in state from a solid to a liquid.
Melting point
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15
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Why do we use displacement cans?
To measure the volume of an irregular solid.
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15
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What property of materials is being described? Bend without breaking.
Flexibility
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15
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Name the piece of lab equipment shown.
graduated cylinder, measuring cylinder
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15
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What is volume?
The amount of space an object occupies.
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15
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What are three important questions to ask before selecting a material to build an object?
What purpose does the object serve? What physical properties does the object need to have? Is the cost of this material too much for the purpose?
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15
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What is the SI unit of mass?
kilogram/kg
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lifesaver
Give 10 points!
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fairy
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25
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shark
Other team loses 15 points!
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thief
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25
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