what is matter?
Anything that has __________ and takes up _____________ is matter.
mass/space
What is volume?
the amount of space something takes up
What is an element?
it is matter that is made up of only ONE kind of atom.
Water and salt are everyday substances but they are NOT _____________.
elements
A combination of two or more pure substances. They contain elements and compounds that are mixed together and can be separated again.
Mass is the amount of _____________ that an object is made up of.
material
What do you use to measure the volume of an object, example wooden block?
use a ruler to measure the length, width and height of the wooden block.
How many elements are there?
118
What is a compound?
a compound is a new substance formed when atoms of two or more elements bond together
What are the two MAIN types of mixtures?
homogeneous mixtures and heterogeneous mixtures.
Weight is the measure of how hard ______________ is pulling on the object.
gravity
What can you use to find the volume of a liquid?
graduated cylinder
Name some elements.
aluminum, gold, iron, copper, nitrogen
molecule
What are homogenous mixtures?
They are mixtures that are the same throughout the entire substance. example coffee/paint
an objects __________ stays the same, but its ____________ changes because the amount of gravity changes based on where the object is.
mass/weight
atoms
What are the two main groups of elements called?
metals and nonmetals
What is a water molecule made of?
two hydrogen atoms and one oxygen atom. They combine to make one unit of water.
what are heterogeneous mixtures?
They are mixtures where the pure substances are not uniformly mixed. example:pizza
What two things do scientists use to measure mass?
balance and standard mass
All atoms are made up of three types of particles called...
protons, neutrons, and electrons
Name some properties of metals
Name some properties of nonmetals
shiny, can be shaped into useful forms, solids
can be solid, liquid, or gas/ dull/ breakable
Elements and compounds are _____________________. That is matter that has a set number of parts and set properties.
pure substances
what is a suspension mixture?
What is a colloid mixture?
A suspension mixture is a type of heterogenous mixture where the particles are large and will eventually settle out. (orange juice)
A colloid mixture is a type of heterogeneous mixture where the particles do not settle out. (jello)