Atomic Basics
Atoms of the same element with the same number of protons but different numbers of neutrons
What are isotopes?
Groups of two or more atoms bonded together
What are molecules?
An upward force exerted by a fluid
What is buoyancy?
Heat transfer through direct contact
What is conduction?
Gas pressure decreases as volume increases at constant temperature
What is Boyle’s Law?
The theory stating that matter is made of discrete units called atoms
What is the atomic hypothesis?
The ordered arrangement of particles in a crystalline material
What is crystal structure?
Principle relating buoyant force to displaced fluid
What is Archimedes’ Principle?
Heat transfer through fluid motion
What is convection?
A measure of disorder in a system
What is entropy?
The smallest substances that cannot be broken into simpler ones
What are elements?
Mass per unit volume of a substance
What is density?
A pulling force transmitted through ropes or wires
What is tension?
Energy transfer through electromagnetic waves
What is radiation?
A table organizing elements by atomic number
What is the periodic table of the elements?
The arrangement of protons, neutrons, and electrons in an atom
What is atomic structure?
Matter made of antiparticles with opposite charges to normal matter
What is antimatter?
A force that pushes particles closer together
What is compression?
Increase in volume due to rising temperature
What is thermal expansion?
The structure of an atom’s nucleus and electrons
What are the characteristics of atoms?
Visual models or simulations showing how atoms are structured
What is atomic imagery?
Matter detected only through its gravitational effects
What is dark matter?
A material’s ability to return to its original shape
What is elasticity?
The lowest possible theoretical temperature
What is absolute zero?
Fundamental traits shared by all atoms
What are the characteristics of atoms?