1. A cube, often made of cardboard
Your answer:
2. An imaginary line about which a body rotates, fixed line for the measurement of coordinates or an alliance of nations usually in wartime
3. A circumstance or influence or condition, or in maths a quantity that when multiplied by another produces a given number or expression
4. A structure of acids and protein found in the nucleus of most living cells
5. A minute portion of matter, a tiny piece of something