原视频：Your Most Epic Questions Answered! | SciShow Kids Compilation（SciShow Kids）
难度：中级；分类：少儿；时长：16:52；标签：美音、讲解
SciShow Kids 汇集孩子们关心的科学问题，适合分段精听，练习提问、解释和自然科学词汇。
视频围绕“史诗级问题”介绍天空为何是蓝色、火为何发热、地球如何形成，以及科学家对梦境作用的认识。
epic question epic questions are big
universe we live in let's start by
of the rainbow are in sunlight all the
using a tool called a prism which is
the light rays scatter meaning that they
from energy you might already know a
called combustion that's a big word but
fuel second there needs to be something