Exploring the Elements: Hydrogen

Exploring the Elements: Hydrogen

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Hydrogen is the most widespread element and one of the building blocks of life. First appearing when the Big Bang created the universe, hydrogen is now part of human technologies...
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Ages: 11-12
Read time: 45-60 mins
AR LEVEL: 6.5
LEXILE©: 1020L
Ages: 11-12
Read time: 45-60 mins

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