Chemistry
Biology
Physics
Math
100
What is the first element on the periodic table?
Hydrogen
100
What is the name for animals that eat only plants?
Herbivores
100
What do you call the force by which a planet draws objects toward its center?
Gravity
100
How many sides does a hexagon have?
6
200
What is the smallest part of an element that can be identified?
Atom
200
Humans breathe in oxygen and breathe out what?
Carbon dioxide (C02)
200
What do you call the space in which there is a total absence of matter?
Vacuum
200
What is pi?
3.14
300
Name a noble gas (inert gas)
helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn)
300
How many teeth do adult humans have?
32
300
Newton's Second Law says that Force equals Mass times what?
Acceleration
300
The total interior angles of a triangle always add up to how much?
180 degrees
500
What is a substance that has a pH lower than 7 called?
Acid
500
What substance determines skin color?
Melanin
500
A mirror's shape can be Concave or ______
Convex
500
What is the name of this theorem?
Pythagorean theorem