useless trivia: What Word Means: A Stroke - An Accentuation - A Beat Of The Heart?

Questions

Definitions : The art of tracing designs and taking impressions of them is _______.?

Definitions : The covering on the tip of a shoelace is a(n)_________.?

Definitions : The distance around the outside of a circle is its ________.?

Definitions : The earth's atmosphere and the space beyond is known as _______.?

Definitions : The effect produced when sound is reflected back is known as a(n) _______.?