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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
×
Mention the 3 states of matter.
Solid, liquid and gas.
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15
×
Hardness determines the resistance that an object has to be... a) scratched b) broken
a) scratched
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lifesaver
Give 10 points!
Oops!
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magnet
Take 25 points!
Okay!
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fairy
Take points!
5
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25
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thief
Give points!
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25
15
×
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
×
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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seesaw
Swap points!
Oops!
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star
Double points!
Okay!
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shark
Other team loses 15 points!
Okay!
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thief
Give points!
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25
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baam
Lose 15 points!
Oops!
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shark
Other team loses 10 points!
Okay!
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gift
Win 10 points!
Okay!
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baam
Lose 20 points!
Oops!
15
×
Liquids have got a fixed shape and a fixed volume.
False. Liquids haven't got a fixed shape.
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15
×
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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heart
Other team wins 25 points!
Oops!
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gift
Win 20 points!
Okay!
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shark
Other team loses 10 points!
Okay!
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banana
Go to last place!
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15
×
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
×
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
×
Physical changes produce new substances. True or false?
False. Physical changes affect the state, position and shape of matter.
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15
×
Which state of matter can be compressed more easily? Solid, liquid or gas?
Gas.
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15
×
Gases haven't got a fixed shape and a fixed volume.
True
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