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15
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Which of these objects are man-made or artificial? Paper, water, wood, rubber, plastic, rocks
paper, rubber and plastic
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What is a mixture?
It's a substance that happens when we put two or more substances together. For example: yoghurt with sugar or chocolate milk.
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What is a heterogeneous mixture?
It's a mixture where we CAN see the different substances separately. For example: a fruit salad in which you can see the different fruits.
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What kind of mixture is this?
A fruit salad is a heterogeneous mixture (we can see the different fruits).
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monster
Reset all scores!
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magnet
Take 25 points!
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rocket
Go to first place!
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lifesaver
Give 5 points!
Oops!
15
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What happens to water at temperatures below (under) 0šC?
It's in solid state (ice or snow).
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thief
Give points!
5
10
15
20
25
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magnet
Take 15 points!
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gift
Win 20 points!
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banana
Go to last place!
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What do we call the energy exchanged between two objects at different temperatures?
It's heat
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What is recyclable waste?
Waste made of materials that can be made into new objects (recycled): cans, plastic bottles, newspapers, glass, cardboard...
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What is heat?
It's the energy exchanged between two objects at different temperatures.
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Guess the property of matter: It's the amount of matter. It's measured in units like grams or kilograms.
Mass
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Complete: Evaporation separates _______________ mixtures. For example, we can separate salt and water making __________ evaporate.
homogeneous; water
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seesaw
Swap points!
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star
Double points!
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rocket
Go to first place!
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baam
Lose 25 points!
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lifesaver
Give 20 points!
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seesaw
Swap points!
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shark
Other team loses 15 points!
Okay!
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lifesaver
Give 15 points!
Oops!
15
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What are the properties of liquids?
they take the shape of the container they are in and always occupy the same amount of space
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Complete: Filtration separates _______________ mixtures. For example, we can separate sand and water pouring the mixture through a ___________.
heterogeneous; filter
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