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01:35
Osmosis - How do fish drink water? | #aumsum
52
A2 Basic
US
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01:44
Why do we get Goosebumps? | #aumsum
22
A2 Basic
US
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08:00
Layers of the Earth for Kids | #aumsum
20
B2 High-Intermediate
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04:39
Why does soda fizz when you shake it? | #aumsum
12
B2 High-Intermediate
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01:54
Why are chloroplasts called the kitchen of a plant…
15
B1 Intermediate
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04:54
Why are flamingos pink? plus 4 more videos.. #aumsum
23
B2 High-Intermediate
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01:12
Is Gluten bad for you? | #aumsum
41
B1 Intermediate
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03:56
Mitosis - Why does a lizard's tail grow back?…
21
B2 High-Intermediate
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01:31
Sublimation - Why do mothballs disappear over…
29
A2 Basic
US
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03:28
How do ears help with balancing? | #aumsum
22
B1 Intermediate
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08:35
Vermicomposting | #aumsum
20
B2 High-Intermediate
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01:06
How do glasses work? | #aumsum
63
B2 High-Intermediate
US
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