Science riddles

Many have heard it, but nobody has ever seen it. It will not speak back unless spoken to. What is it?

Tags

NGSS.MS-PS4-2

I am a rock bigger than Venus but smaller than Uranus. What am I?

Tags

NGSS.MS-ESS1-3

You cannot see me, I cannot be touched, you cannot feel me but I can cook your lunch. What am I?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

What is the center of gravity?

I was once a massive star and soon I will be a brightly colored gas cloud. For now, I am a massive explosion. What am I?

Tags

NGSS.HS-ESS1-3

What is a Priest's favorite part about Physics?

What planet has the shortest year?

Which is heavier, a pound of feathers or a pound of bricks?

9. I have been around for millions of years but am only a month old. What am I?

Tags

NGSS.MS-ESS1-1

What is full of holes but still holds water?