I can lift but have no form, I can change but always exist. What am I?

Category: Science · Difficulty: easy

Hint: Think about the smallest building blocks of matter.

Answer

A gas molecule

Explanation

A gas molecule is weightless in the air, can change states, and is essential to various processes.

This is an easy science riddle — a good one for children and beginners. The answer is A gas molecule.

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