My First Kawoot

What is the scientific name for "brain freeze"?

1 cubic kilometer of cumulus cloud weighs:

Find the value of X: x² + 3x + 9 = 0

What are the true name of the thing below?

Pineapples lose their spikes once they ripe.

The fear that a duck or goose is watching you is called:

How many colors can an amogus be?

Pandas are bears.

Select the biggest number

Which fact is NOT true?

I have a face and legs, yet no arms. Who am I? (Level 1 riddle)

When is Nut Day?