Biology
What's the largest organ in the human body?
Skin
What are the three main subatomic particles in an atom?
Protons, neutrons, and electrons
What do you call the energy of motion?
Kinetic Energy
What is an ellipse?
An oval shape
What part of the brain controls balance and coordination?
The cerebellum
What's the name of the universal blood donor?
O-
What is the process where a solid turns directly into a gas?
Sublimation
What do the letters mean in the formula (F = ma)?
Force = mass x acceleration
What causes an aurora?
Charged particles from solar winds
What is the smallest bone in the human body?
Stapes (one of the 3 bones in the ear)
Which animal kills the most people every year?
Mosquitoes
What element has the highest melting point?
Tungsten
What does a manometer measure?
Pressure of a closed system
How much bigger is the Sun than Earth, in terms of volume?
~1.3 million
What mineral is used to make glass?
Silica
What are non-living things in a habitat called?
Abiotic
What do you call atoms of the same element with different numbers of neutrons?
Isotopes
What law explains induced electric currents, like in generators?
Faraday's Law
What type of star is our Sun classified as?
A G2 V star (a yellow dwarf)
What is the name for a substance with a pH less than 7?
Acid
What's the name for a cell with a true nucleus and membrane-bound organelles?
A eukaryotic cell
What is the chemical formula for glucose?
What is one of the biggest unsolved problems in physics?
Quantum Gravity
What is the scientific term for the twinkling of stars?
Scintillation (caused by atmospheric turbulence).
What is the rarest blood type in humans?
Rhnull