Chemistry
Which is the lightest element?
Hydrogen
The control center of a cell is said to be the what?
Nucleus
Isaac Newton is best known for discovering what?
Gravity
What type of rock is formed by the accumulation of mineral at the Earth’s surface?
Sedimentry
What human organ cleans fifty gallons of blood every day?
Kidneys
Substances initially involved in a chemical reaction are known as what?
Proteins are packaged up in what organelle before they leave the cell?
Golgi Body
What is the maximum speed in the universe, according to current understanding?
Speed of light
A scar on the Earth's surface caused by the impact of a cosmic body is called?
An Astrobleme
What type of energy does a wound-up spring have?
Potential Energy
If a chemical compound's name ends in '-ate' as in 'calcium carbonate' which element does it contain?
Oxygen
Enucleation means what of a nucleus?
Removal
What law states that a body at rest will remain at rest unless acted upon by an external force?
Newton's First Law
What is another name for the portion of Earth that sustains life?
Bioshphere
In chemistry, the change of state called 'sublimation' happens between which of these?
Solid and gas
How many different elements are there in CH3COOH?
3
Which type of RNA brings the information in the genetic code from the nucleus to other parts of the cell?
MRNA (messenger RNA)
What do you call a material that exhibits zero resistance at very low temperatures?
Superconducter
What layer of the Earth's atmosphere contains the ozone layer?
Stratosphere
What is the scientific term for the 'shoulder blade'?
Scapula
Approximately how many molecules thick is a piece of paper?
100000
What are the hair-like structures on cells that help with movement called?
Cilia
Which type of collision conserves both momentum and kinetic energy?
Elastic Collision
In geology, what eight-letter word means a deposit of clay, silt, sand, and gravel left by flowing streams in a river valley or delta?
alluvium
Travertine, tufa, coquina, and chalk are all forms of what type of sedimentary rock?
Limestone