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04:41
What if there was No Gravity on Earth? | #aumsum
32
B1 Intermediate
US
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01:44
Why do we get Goosebumps? | #aumsum
25
A2 Basic
US
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01:54
Why are chloroplasts called the kitchen of a plant…
15
B1 Intermediate
US
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01:31
Sublimation - Why do mothballs disappear over…
38
A2 Basic
US
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03:28
How do ears help with balancing? | #aumsum
27
B1 Intermediate
US
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01:42
Oxidation - Why do copper vessels turn green?…
33
B1 Intermediate
US
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01:46
Rancidity - Why is a bag of chips half full? |…
24
B2 High-Intermediate
US
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01:45
Why does a match light when you strike it? | #aumsum
22
B2 High-Intermediate
US
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05:58
Volume of a Sphere | #aumsum
40
B1 Intermediate
US
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01:00
What causes brain freeze? | #aumsum
39
B2 High-Intermediate
US
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01:00
Why do babies get jaundice? | #aumsum
22
B1 Intermediate
US
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00:57
How does blood clot? | #aumsum
23
B2 High-Intermediate
US
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