Knock Knock
Science
Math
100
Knock-knock. Who’s there? Hatch. Hatch who?
God Bless you!
100
husband and wife scientists, in 1898, announced the discovery of the most radioactive chemical element, which they called 'radium'?
What is Marie and Pierre Curie.
100
Mathematical symbol did math whiz Ferdinand von Lindemann determine to be a transcendental number in 1882?
What is PI.
200
Knock-knock! Who’s there? A little girl. A little girl who?
A little girl who can’t reach the doorbell!
200
Hypodermic syringe, a lifesaving devise used by doctors but abused by junkies, was invented at the time of which war?
What is AMERICAN CIVIL WAR 1861-1865
200
Angle more than 90 degrees and less than 180 degrees?
What is Obtuse.
300
Knock-knock! Who’s there? Dwayne. Dwayne who?
Dwayne the tub, I’m dwowning.
300
Titan, Prometheus, and Pandora are all moons of what planet?
What is Saturn
300
Top number of a fraction
What is Numerator
400
Knock-knock! Who’s there? Doris. Doris, who?
Doris locked, that’s why I had to knock!
400
Lightest chemical element?
What is Hydrogen
400
Polygon with four unequal sides
What is quadrilateral.
500
Knock-knock! Who’s there? Tank. Tank who?
You're Welcome!!
500
The study of handwriting as a means of analyzing character is called what?
What is Grapholology.
500
Word describes a number system with a base of two
What is Binary.