Fun 5th Grade Brain Teasers

What has rivers with no water, forest, but no trees, and cities with no buildings?

What's full of holes, but still holds water?

What kind of room has no doors or windows?

What invention lets you look right through a wall?

What goes up and down, but still remains in the same place?

What has to be broken before you can use it?

What building has the most stories?

How many times does the letter "a" appear from "0-100"?

Lives in winter, dies in summer, and grows with its roots upward. What is it?

What goes up, but never comes down?

I am an odd number. Take away one letter and I become even. What number am I?

A cowboys rides into town on Friday, stays for 3 days, then leaves on Friday. How did he do it?

What occurs once in a minute, twice in a moment, and never in a thousand years?

What belongs to you but is used more by others?

Timmy's mother had 3 children. One was April, the other May. What was the third child's name?

How many months have 28 days?

What jumps when it walks and sits when it stands?

What goes around and around the wood, but never goes into the wood?

What gets sharper the more you use it?

Which is heavier, 100 pounds of rocks or 100 pounds of feathers?

Who makes moves while being seated?

What is always coming, but never arrives?

What word looks the same backwards and upside down?

What is at the end of rainbow?