Riddels
Basic knowledge
100

What can you catch but not throw

What is a cold

100

The largest mammal on Earth

A blue whale

200

What is full of keys but can’t open a single door

piano

200

his is the longest river in the world

Nile

300

What has to be broken before you can use it

egg

300

The chemical symbol for the element gold

what is Au

400

What kind of band never plays music

rubber band

400

The fictional castle where Harry Potter studies magic

what is Hogwarts

500

The person who makes it has no need of it. The person who buys it has no use for it. The person who uses it never knows they are using it.
What is it?

 coffin

500

This ocean is the largest on Earth

What is the Pacific Ocean