Conversion of Measurement Units
Famous Scientists
Math Facts
True or False
Random Questions
100
How many milliliters (mL) are in 1 liter (L)?
1000 mL
100
Who invented the light bulb?
Thomas Edison
100
Is Pi a rational or irrational number?
Irrational
100
Electrons are larger than molecules.
False
100
What is the molecular formula for water?
H2O
200
How many feet are in a yard?
3 feet
200
Who invented the telescope?
Galileo Galilei
200
What is the quadratic formula?
200
Venus is the closest planet to the sun.
False. Mercury
200
What is the acceleration of gravity? (make sure you give the correct units!)
9.8 m/s2
300
How many kilometers (km) is 3000 meters (m)?
3 km
300
Who discovered the two elements: radium and polonium?
Marie Curie
300
What even number is the only prime number?
2
300
Kelvin is a measurement of temperature.
True
300
What is the percent of oxygen (O) in the air?
about 21%
400
What is the formula to convert degreed F to degrees C?
C = (F-32) * 5/9
400
Who created the first telephone?
Alexander Graham Bell
400
What is the term used for the perimeter of a circle?
Circumference
400
The atomic number of carbon (C) is 6.
True
400
How many phases of the moon are there?
8
500
How many fluid ounces (fl oz) are in 1 gallon?
128 fl oz
500
Who helped make major contributions to the discovery of the double helix of DNA?
Rosalind Franklin
500
What is the name of the angle that is greater than 90 degrees but less than 180 degrees?
Obtuse angle
500
Water boils at 100 degrees F.
False. 100 degrees C
500
What element are diamonds made from?
carbon (C)