Terms
The study of what substances are made of, and how one substance can be changed into another
What is chemistry?
The tiny particles that matter is composed of
What are atoms?
Electrons in orbit at roughly the same distance from the nucleus
What is a shell?
An object that orbits a larger object
What is a satellite?
Anything that takes up space and has mass
What is matter?
The tiny, extremely dense core at the center of an atom
What is the nucleus?
People who journey into space
What are astronauts?
Orbit that allows a satellite to be always located above the exact same location on the earth
What is geostationary orbit?
The units in which mass is measured
What are grams?
The tiny particles that swarm at tremendous speed around the nucleus of an atom
What are electrons?
The charge of a proton
what is positive?
The most famous network of navigational satellites
What is the global positioning system (GPS)?
The amount of matter (mass) in one unit of volume
What is density?
Anything lacking in an electrical charge
What is neutral?
The charge of an electron
What is negative?
An unmanned spacecraft that is launched specifically to explore the unknown
What is a space probe?
Substances that are composed of only one kind of atom
What is an element?
Name for the number of protons in an atom
What is the atomic number?
Composes the core of the atom
What are protons and neutrons?
An orbit that allows a satellite to travel around the earth, from pole to pole, in a short time to provide broad photo coverage of the planet
What is a polar orbit?