Riddle

I can be hot, cold, hard, and go through anything. What am I?

Choose an answer

A.Light
B.Air
C.Metal
D.Water
Hint: It's a word with 5 letters, starting with "W".

Answer

Water

Why this is the answer

Water can be steam (hot), ice (hard/cold), and flow through various substances.

This riddle is filed under Science Riddles and rated Medium.

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