Earth Science
Life Science
Animal Science
Physics
Chemistry
100

The softest mineral on Moh's hardness scale

What is Talc
100

The type of symbiosis that benefits one organism but neither helps nor harms the other. 

What is commensalism

100

Animals with a backbone as part of an internal skeleton 

What is vertebrate

100

The distance an object travels per unit time

What is speed

100
A change from a gaseous state to a liquid state

What is condensation

200

The largest tidal range that occurs when Earth, the Moon, and the Sun form a straight line

What is spring tide

200

The thick fluid outside the nucleus throughout the cell

What is cytoplasm

200

The type of teeth bovids, such as goats, sheep, and cattle only have on their bottom jaw

What is incisors

200

The ability to cause change

What is energy

200

Small, negatively charged particles within an atom

What is electron

300

A hollow area in the sediment which shows the shape of an organism or part of an organism

What is mold

300

The total of all variety of the organisms in a specific area

What is biodiversity
300

An example of an egg-laying mammal

What is the duck-billed platypus or spiny anteater

300

A machine that does work with only one movement of the machine

What is simple machine
300

A material through which electric charges do not easily move through

What is insulator

400

Thick, low sheetlike clouds that cover the sky and are a sign of rainy weather

What is stratus

400

The small flap of tissue that folds over the trachea and prevents food or liquid from entering the respiratory system

What is epiglottis 

400

The filter-feeding system in the mouths of certain types of whales that allows them to filter plankton out of the water

What is baleen

400

A small piece of metal that melts if the current in a circuit becomes too high - opening the circuit and preventing electrical fires

What is electronic fuse

400

A substance made of the combined atoms of two or more elements 

What is compound

500

The planet that has a surface of frozen nitrogen and geysers that erupt nitrogen gas

What is Neptune

500

The scientific study of heredity

What is genetics

500

The smallest breed of horse in the world

What is Falabella

500

Occurs when a wave strikes an object and bounces off it (can occur in all types of waves)

What is reflection

500

A substance that produces hydrogen ions (H+) in a solution

What is acid