BIOLOGY
CHEMISTRY
TECHNOLOGY
PHYSICS
EARTH SCIENCE
100

the interaction of organisms in a biological community


ecosystem

100

What is a basic unit of matter and the smallest unit of an element. It consists of a nucleus which is surrounded by a cloud of electrons.

Atom

100

a set of standards and file format for compression of digital color images

Jpeg

100

the measured or measurable period during which an action, process, or condition exists or continues.


Time

100

the branch of science dealing with physical and biological aspects of the oceans

oceanography

200

study of heredity and characteristics

genetics

200

The study of chemical processes as they relate to living organisms.

Biochemistry

200

a secret word or phrase that must be used to gain admission to a place.

password

200

the rate of change of position of an object in any direction.

Speed

200

science of the history of the earth as recorded in rocks

geology

300

animal that eats both plants and animals

omnivore 

300

what is a pure substance made up of two or more elements.

Compound

300

A hardware interface that can attach up to 127 peripheral devices to a computer, including keyboards, mice, printers, flash drives and external storage

USB

300

continuous physical force exerted on or against an object by something in contact with it.

Pressure

300

the watery layer of the earth's surface

 hydrosphere

400

series of events where nitrogen from air to soil to organisms and back

nitrogen cycle

400

The central core of an atom containing the protons and neutrons

Nucleus

400

a unique identifier used to locate a resource on the Internet


URL

400

what is equal to the mass of the object times the velocity of the object.

Momentum

400

the earth science that studies fossil organisms

paleontology

500

 elements work together to keep a stable equilibrium

homeostasis

500

A table of the chemical elements arranged by atomic number.

Periodic table

500

an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.

virus

500

type of stored energy that an object or system of objects may have based on their size, shape, position, or even material they are made from.

Potential energy

500

the solid part of the Earth

lithosphere