easy
What element has atomic number 1?
Answer: Hydrogen
What type of energy is stored in a stretched spring?
Answer: Elastic potential energy
What astronomical unit measures stellar brightness?
Answer: Magnitude
What is oxidative phosphorylation?
Answer: ATP production via electron transport chain
What branch of the nervous system controls the fight or flight response?
Answer: Sympathetic branch
What is the largest organ in the human body?
Answer: Skin
What vitamin is primarily produced when skin is exposed to sunlight?
Answer: Vitamin D
What is the powerhouse organelle’s own DNA evidence of?
Answer: Endosymbiotic theory
What law describes blackbody radiation spectrum?
Answer: Planck’s law
What type of rock contains crystallized portions on the inside?
Answer: Geode
What planet has the most extensive ring system?
Answer: Saturn
What equation is F = ma known as?
Answer: Newton’s Second Law
Who discovered penicillin?
Answer: Alexander Fleming
What is entropy measured in (SI)?
Answer: J/K
In electrical engineering, what law relates voltage, current, and resistance?
Answer: Ohm’s Law
What is the boiling point of water at 1 atm (°C)?
Answer: 100°C
What is the half-life concept used for?
Answer: Radioactive decay measurement
What is the unit of energy in SI?
Answer: Joule
What astronomical distance equals 3.26 light-years?
Answer: Parsec
In calculus, what does it mean when the second derivative of a function is negative?
Answer: the function is concave down
Who is credited with developing the first practical telephone?
Answer: Alexander Graham Bell
What is the main component of natural gas?
Answer: Methane
What type of reaction absorbs heat?
Answer: Endothermic
What enzyme synthesizes RNA from DNA?
Answer: RNA polymerase
What component stores energy in an electric field in a circuit?
Answer: a capacitor