Biology
Math
Physics
Chemistry
100
What are the 2 main types of microscopes?
Compound light microscopes and Electron Microscopes
100
56*32+8
1800
100
What are electrons?
Negative subatomic particles surrounding the nucleus of an atom.
100
How many elements are there?
118
200
Describe the process of photosynthesis.
(Plants and other organisms) take in CO2 and water; produce oxygen and sugar (by using light energy)
200
2 things are equal is an isosceles triangle. What are they?
An isosceles triangle has two equal sides and two equal angles that are opposite the to equal sides.
200
True or False: Are there any massless particles?
Yes (i.e. gluons and photons)
200
What are nobal gases?
Non-metals that rarely react with other elements.
300
How long is human prenatal development?
38 weeks.
300
Describe a linear equation.
An equation in which the highest power of the variable is always 1
300
How to calculate resistance?
R=V/I
300
What is the only metal that is in liquid state at room temperature.
Mercury (gallium also counts as it melts at ~30 degrees)
400
Describe the difference between a horn and an antler?
Horns are made of keratin rapped around the bones of the skull and they don't shed; Antlers are just bone attached to the skull and they usually shed annually.
400
Several chickens and rabbits are in one cage. There are 35 heads on top and 94 feet at the bottom. How many chickens and rabbits are there?
7 chickens and 8 rabbits
400
What is the speed of light in water?
225,000 km/second
400
This element acts as both a metal and a non-metal. What is it and when does it act as a non-metal?
Hydrogen. It acts as a non-metal under normal conditions and a metal under high pressure.
500
How do earthworms reproduce sexually?
They exchange sperm cells and use the other worm's sperms to fertilize their own egg cell.
500
Find the pattern to the nth term: 3,6,10...
[(n+1)*(n+2)]/2
500
What are the six quarks?
Up, down, charm, strange, top, and bottom.
500
What is the functional group of ethanol?
Hydroxyl group (-OH)