Biology
Chemistry
Physics
Astronomy
Anatomy & Physiology
100

What liquid is most important for life?

What is water?

100

How many valence electrons does hydrogen have?

What is one valence electron?

100

What is mass times acceleration?

What is force?

100

What is the name of the celestial body that orbits Earth?

What is the Moon? (Or Luna/Selene if you're a nerd)

100

What is the name of the organ that pumps blood through the body?

What is the heart?

200

What domain are humans a part of?

What is eukaryote?

200

A reaction produced 30.0 grams of carbon dioxide. If the theoretical yield was 45 grams, what is the percent yield?

What is 67%?

200

Who invented the Law of Levers?

Who is Archimedes?

200

What is the name of the event when the Moon blocks the Sun?

What is an eclipse?

200

How many bones are in the body?

What is 206?

300

What is the combination of biotic and abiotic factors in an area called?

What is an ecosystem?

300

What purpose do the cations in the salt bridge serve in a galvanic cell?

What is moving towards the cathode to replace positive charges lost?

300

What is Ohm's Law?

What is V=IR?

300

How much sunlight is visible light?

What is 43%?

300

Which brain structure links the nervous system to the endocrine system?

What is the hypothalamus?

400

What percent of energy is transferred between trophic levels?

What is ten percent?

400

What is the standard charge of Zinc?

What is 2+?

400

What is the Coulomb constant?

What is 9*10^9?

400

How does the sun produce energy?

What is fusion?

400

What gland causes you to grow?

What is the pituitary gland?

500

What is one of the abilities of the smooth endoplasmic reticulum?

What is lipid synthesis? (Or detoxification and calcium ion storage)

500

What orbital does the quantum number l = 3 correspond to?

What is the f orbital?

500

What is the relationship between force and potential energy?

What is F = -dU/dx

500

Which planet has a hexagonal storm?

What is Saturn?
500

What hormone is responsible for hunger?

What is ghrelin?