U.S. Geography
Basic Algebra
Animal Kingdom
Famous Inventors
Everyday Science
Brain Teasers
100
What is the largest U.S. state by area?
Alaska
100
Solve for x: 3x = 12.
x=4
100
What is the fastest land animal?
100
Who invented the Telephone?
Alexander Graham Bell
100
What vitamin do we get from sunlight?
Vitamin D
100
What has hands but can't clap?
200
What river forms the border between Texas and Mexico?
Rio Grande
200
What is the value of 5²?
25
200
What is the only mammal capable of true flight?
200
Who invented the Lightbulb?
Thomas Edison
200
What is the most abundant gas in Earth's atmosphere?
Nitrogen
200
What comes once in a minute, twice in a moment, but never in a thousand years?
The letter 'M'
300
What U.S. state has the most islands?
Alaska
300
If y = 2x + 3, what is y when x = 4?
11
300
What is the largest species of shark?
A Whale Shark
300
Who created the first airplane?
Wright Brothers
300
What do we call the change of the liquids into a gas?
Evaporation
300
I have keys but open no locks. What am I?
Piano
400
What is the capital of Illinois?
Springfield
400
Solve for x: 2x + 5 = 15.
X=5
400
What is a baby kangaroo called?
Joey
400
Who invented
Logan Paul
400
What is the human body's largest internal organ?
Liver
400
What five-letter word becomes shorter when you add two letters to it
Short
500
What is the only U.S. state with a one-syllable name?
Maine
500
Factorize: x² - 9
(x - 3)(x + 3)
500
What bird has the largest wingspan?
Albatross
500
Who invented The Modle T
500
What gas do plants take in for photosynthesis?
Carbon Dioxide
500
I speak without a mouth and hear without ears. What am I?
An Echo