Matter
All matter is made up of
particles
What are the two types of mixtures
heterogenous and homogenous
if a substance is chemically bonded, can the mixture be separated?
no
how would you separate iron fillings and sand
magnetism
matter is made up of tiny particles that are always _________
moving
define a pure substance
a substance made of just one kind of particle
what is a homogenous mixture
mixtures that look the same throughout, you cannot see the different parts
describe filtration
a way of separating a mixture from a solid to a liquid
how would you separate oil and water?
decanting
increasing temperatures cause particles to move ________
faster
all matter can be what?
pure or mixed
what is a heterogenous mixture
a mixture that has visible different parts that are easy to see
describe evaporation
used to separate a solid that is dissolved in a liquid
how would you separate coffee grounds and water
filtration
what happens when you cool down particles?
they move slower
gold, water and salt are examples of what?
pure substances
examples of homogenous mixtures
salt water, air, gatorade/juice
describe magnetism
used to separate magnetic materials
how would you separate salt water
what is between particles
space
"A substance made of two or more different particles that are combined but not chemically bonded" is the definition of what?
a mixture
examples of heterogenous mixtures
salad dressing, cereal and milk, sand and gravel,et.c
describe decanting
used when substances settle into layers
true or false, water is a mixture of hydrogen and oxygen
false
the attraction between particles is _____ in solids than in gases
stronger