Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
pure substances
|
made up of only one substance
|
|
mixture
|
mixing two or more substances together forms a _______
|
|
homogeneous mixtures
|
particles of other substances that are roughly the same size and mix together evenly
|
|
heterogeneous |
particles of other substances that differ in size and do not mix together evenly
|
|
states |
liquid, gas or solid
|
|
solids |
don't flow, consistent volume, don't easily change shape
|
|
liquids |
definite volume like a solid but flows easily
|
|
gases
|
molecules are far apart, move at high speeds, vibrate randomly and spin
|
|
fluids
|
another word for liquid that scientists use
|
|
crystal lattice |
array of particles in a crystalline solid
|
|
matter
|
all substances are some type of this
|
|
particle
|
extremely tiny bit of matter that can be treated as a physical system and which obeys physical principles
|
|
elements
|
may occur as single atoms [helium], as molecules [oxygen], or as lattices of atoms [diamond]
|
|
3 physical states of matter
|
solid, liquid, and gas
|
|
compounds
|
more than one kind of atom chemically bonded together
|