Earth Science
Physics
Biology
Chemistry
Bonus
100

The most common element overall

What is Hydrogen?

100

The acceleration due to gravity on Earth

What is -9.81 m/s2?

100

The compound responsible for the green color of leaves

What is Chlorophyll?
100

The element that Si represents

What is Silicon?

200

The most common element on Earth

What is Iron?

200

The equal and opposite force that acts against gravity

What is Normal Force?

200

The toughest part of our body

What is Tooth Enamel?

200

Noble gas definition

What is a gas element that has 8 valence electrons which makes it stable?

300

The percent of Earth's species that are extinct today

What is 99.9%?

300

Newton's Third Law

What is "for every action there is an opposite reaction"?
300

The outer layer of our skin

What is the Epidermis?

300

A metal that is a liquid at room temperature

What is Mercury?
300

One of Stevenson's catch phrases (name any of them)

What is "sheck it out", "back to attack", "chem day __ day", "sneeze on the truth"?

400
Earth's most abundant creature

What is Krill?

400

The faster of the two: speed of light/speed of sound

What is the speed of light?

400

The largest living structure on Earth

What is the Great Barrier Reef?

400
Endothermic reaction definiton

What is a reaction in which the system absorbs heat?

500
The name of our current geologic era

What is Cenozoic?

500

The color you get if you combine all of the colors

What is White?

500

The percentage of water in our brain

What is 78%?

500

The only letter that does not appear on the periodic table

What is J?