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15
×
Mass tells us... a) how much matter is in an object b) the space an object occupies.
A) Matter tells us how much matter is in an object.
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15
×
Matter is anything that has volume, but not mass. True or False?
False. Matter has volume and mass.
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eraser
Reset score!
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shark
Other team loses 5 points!
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fairy
Take points!
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25
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lifesaver
Give 20 points!
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15
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Define "pure substance". Give me 2 examples.
A pure substance is made up of only one type of matter. For example: sugar, salt, water.
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15
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Physical changes produce new substances. True or false?
False. Physical changes affect the state, position and shape of matter.
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15
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Liquids have got a fixed shape and a fixed volume.
False. Liquids haven't got a fixed shape.
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15
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Tell me the difference between "heterogeneous mixtures" and "homogeneous mixtures" using an example.
In the heterogeneous mixtures you can see the different types of matter (pizza), but in the homogeneous mixtures you cannot (milkshake).
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15
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Give me 3 examples of physical changes and 3 examples of chemical changes.
Physical changes: when ice melts, when you make something with plasticine. Chemical changes: when you cook food, when food spoils.
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15
×
Mention the 3 states of matter.
Solid, liquid and gas.
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15
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Which state of matter can be compressed more easily? Solid, liquid or gas?
Gas.
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lifesaver
Give 10 points!
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gold
Win 50 points!
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shark
Other team loses 15 points!
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thief
Give points!
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25
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baam
Lose 25 points!
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seesaw
Swap points!
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shark
Other team loses 20 points!
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thief
Give points!
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25
15
×
Honey has more viscosity than water. True or false?
True. The viscosity is the resistance of a liquid to flow.
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15
×
Gases haven't got a fixed shape and a fixed volume.
True
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trap
No points!
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seesaw
Swap points!
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shark
Other team loses 15 points!
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lifesaver
Give 5 points!
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15
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Elasticity determines how easily something recovers its original shape when it is deformed. True or false?
True. For example a hair band.
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