Masha's version

1. - a hard clear yellowish-brown substance, used in making decorative objects orjewellery.
3. - A substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting.
5. - The degree to which a substance or device opposes the passage of an electric current, causing energy dissipation. By Ohm’s law resistance (measured in ohms) is equal to the voltage divided by the current.
6. - a word or phrase used to describe somebody/something else, in a way that isdifferent from its normal use, used to make a detail.
7. - a phrase that combines two words that seem to be the opposite of each other,for example a deafening silence.
8. - Each of the two main chambers of the heart,left and right.

1. – (Mathematics) Involving the condition that a group of quantitiesby operators gives the same result whatever their grouping, as long as their order remains the same.
2. - Mathematics The relation between two employing a sign such as ≠ ‘not equal to’, > ‘greater than’, or < ‘less than’.
4. - Mathematics (Of a series) increasing indefinitely as more of its termsadded.
6. – (Physics) The quantity of motion of a moving body, measured as a productits mass and velocity.