Biology
Weather
Acronym
100

What are the two kinds of blood cells?

Red & White 

100

What name is given for the amount of water vapor present in the air?

Humidity

100

What does ATM stand for? 

Automated Teller Machine

200

What human organ cleans fifty gallons of blood every day?

Kidneys

200

In which month does winter begin in the Southern Hemisphere?

June 

200

What does HIV stand for?

Human Immunodeficiency Virus


300

How many bones are there in the adult human body?

206

300

Which slang term for a tornado is also the title of a 1996 film?

Twister

300

What does P.S. (often written at the foot of a letter)

stand for?

Post Script

400

True or False: The small intestine is longer than the large intestine. 

True

400

A hurricane is a tropical storm which exceeds which speed:

74 mph or  94 mph, or 114 mph

74 mph

400

What does ESPN (the TV satellite channel) stand for? 

Entertainment and Sports Programming Network

500

Yes or No: Do your ears have bones anywhere inside them? 

Yes 

500

What does an anemometer measure?

Wind speed

500

What does YMCA stand for? 

Young Men's Christian Association