Physics
Biology
Chemistry
Environmental Science
Anatomy
100
What is the gravitational pull of Earth?
9.81 m/s2
100
What is the basic unit of all life?
The cell
100
What element is represented by Fe?
Iron
100
What is a kind of renewable energy source?
Wind, Hydroelectric, Geothermal, Solar, etc.
100
What is the largest organ in the body?
Skin
200
What is the law of conservation of energy?
Energy cannot be destroyed nor created
200
What does DNA stand for?
Deoxyribonucleic acid
200
What is something unique to the noble gasses?
Their valence electron shells are full.
200
What happens BEFORE secondary ecological succession?
A disturbance
200
Which organ is responsible for pumping blood throughout the body?
Heart
300
What are vector quantities?
Any measurement with both magnitude and direction.
300
What are the 4 main stages of mitosis?
Prophase, Metaphase, Anaphase, Telephase
300
What is the smallest subatomic particle?
A quark
300
What is the heat island effect?
Phenomenon where cities are significantly hotter than the areas around them.
300
What are the small air sacs in the lungs called?
Alveoli
400
A bullet train in Shanghai is moving at a velocity of 80m/s west.
A passenger drank too much tea, and now he has to go to the bathroom.
If he walks to the nearest bathroom at a velocity of 2m/s east, what is his total velocity?
78m/s west
400
What are the four macromolecules?
Carbohydrates, lipids, proteins, and nucleic acids.
400
What piece of lab equipment is this
A retort
400
Why does birth rate decrease as the demographic transitions from stage 2 to stage 3?
Because of improved access to education for women, family planning, less child mortality, etc.
400
What part of the brain controls balance and coordination?
Cerebellum
500
A race car going around a flat, unbanked circular track gradually increases speed as it completes one full trip around the track. Why does the car gain speed?
Energy stored in the fuel is converted to mechanical energy; a component of the frictional force exerted by the ground on the tire is in the direction of motion.
500
Describe the function of ribosomes
Ribosomes synthesize polypeptides/proteins, ribosomes perform translation, ribosomes are sites of polypeptide/protein synthesis, etc.
500
What is Entropy
The dispersal of matter or energy in a sample of matter
500
Describe one way a vapor recovery nozzle is used to reduce atmospheric pollution.
It prevents fumes/vapors from escaping into the atmosphere when gassing/fueling (a motor vehicle).
500
Which enzyme produced by the stomach digests proteins?
Pepsin