Where did the stars come from? And the Sun? How was our Earth created? And what about the rest of the Universe?
Can you hear sound? Can you feel it? Can you see it?
Why does sand settle to the bottom of the ocean, but salt mixes in? How do people get sea salt out of the sea?
What do plants eat?
When did we start using fire? What 3 components does fire need to burn?
Why do some mountains have stripes?
