The most common element overall
What is Hydrogen?
The acceleration due to gravity on Earth
What is -9.81 m/s2?
The compound responsible for the green color of leaves
The element that Si represents
What is Silicon?
The most common element on Earth
What is Iron?
The equal and opposite force that acts against gravity
What is Normal Force?
The toughest part of our body
What is Tooth Enamel?
Noble gas definition
What is a gas element that has 8 valence electrons which makes it stable?
The percent of Earth's species that are extinct today
What is 99.9%?
Newton's Third Law
The outer layer of our skin
What is the Epidermis?
A metal that is a liquid at room temperature
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"?
What is Krill?
The faster of the two: speed of light/speed of sound
What is the speed of light?
The largest living structure on Earth
What is the Great Barrier Reef?
What is a reaction in which the system absorbs heat?
What is Cenozoic?
The color you get if you combine all of the colors
What is White?
The percentage of water in our brain
What is 78%?
The only letter that does not appear on the periodic table
What is J?