Riddle Me This
Staying Alive
History
It's Not Rocket Science
Are You Smarter Than a 5th Grader?
100

Which is heavier: A pound of feathers or a pound of bricks?

Neither, they both weight a pound

100

What are the 5 basic senses?

Touch, sight, smell,hearing, taste

100

Many of the animal noises in Avatar (2009) are recycled from what movie?

Jurassic Park

100

What is the name of the process where a substance goes directly from a solid to a gas without becoming a liquid?

Sublimation

100
What type of animal are crawfish?

Crustaceans 

200

The more you take, the more you leave behind. What am I?

Footsteps

200

What does an antibiotic do?

treat bacterial infection. They are not effective against infections(viruses)

200

This economic crisis, beginning with the stock market crash of 1929, caused worldwide unemployment and hardship.

Great Depression

200

What’s the name of the protein in blood that carries oxygen?

Hemoglobin

200

Costa Rica borders which two countries?

Panama and Nicaragua 

300

What can be broken without ever being touched or picked up?

Silence (also accepting trust)

300

According to the national fire protection association (NFPA) your smoke detector batteries should be replaced how often?

Once a year

300

This explorer is credited with the first recorded European landing on the east coast of Australia in 1770.

Captain James Cook

300

What is the most electronegative element on the periodic table?

Fluorine

300

What is a word that reads the same backwards and forwards called?

A palindrome

400

A boat filled with people floats across a lake. When you look at it you do not see a single person on it. How?

They were all married couples. 

400

How much of our brain do we use?

100% of it, all of the time. The idea that we only use 10% is a myth!

400

What do the stripes on the American flag represent?

13 colonies

400

What is the term for the measure of disorder or randomness in a system?

Entropy

400

What landmass on Earth is known as the "Island Continent?"

Australia

500

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

Four sisters and three brothers

500

What's the biggest difference between alligator and crocodiles?

Their snout shape: alligators have a wide, U shape snout while crocodiles have a skinny, V-shaped snout

500

Who invited the telephone?

Alexander Graham Bell

500

A, C, and T, are three of the letters used to represent parts of DNA. What's the fourth one?

G

500

What is the smallest fish in the world?

A dwarf minnow