Biology
Psychology
Chemistry
Anatomy
Astronomy
100

true or false? A salamander is a warm blooded animal?

false

100

what is the opposite of a pessimist?

optimist

100

what is the first element on the periodic table?

hydrogen

100

how many chambers does the heart have?

8

100

what planet is closest to the sun?

mercury

200

can frogs live in salt water?

no <3
200

dentophobia is the fear of what?

fear of going to the dentist

200

what is the symbol for gold on the periodic table?

Au

200

what is the name of the top most layer of human skin

epidermis

200

how many planets in our solar system are made of gas?

4

300

true or false? The common cold is caused by a virus

false

300

by what percentage will eye pupils enlarge when someone looks at somebody they love?

45%

300

are clouds gas or liquid?

liquid

300

what connects muscles to the skeleton?

tendons

300

how often does a lunar eclipse occur?

about twice a year

400

animals which eat both plants and other animals are known as what?

omnivores

400

what percentage of the time does the average person's mind wander?

30%

400

true or false? A proton carries a positive charge

true

400

name the only part of the human body that can not repair itself

teeth

400

which planet is sometimes called Earth's sister planet?

Venus
500

how many bones are there in the adult human body?

206

500

name 5 different mental illnesses

- bipolar

- psychopathy

- sociopathy

- depression

- anxiety

- schizophrenia

500
what is the most abundant element in the universe?
hydrogen
500

at what age do babies begin to see color?

5 months

500

if you were standing on the moon and the sun was shining on you, what color would the sky be?

black