Properties of Matter
Anything that has mass and takes up space is known as what?
Matter
What is matter made up of?
Smaller Particles
Cutting a piece of paper is an example of a ____ change.
Physical
When two or more different substances are mixed, a new substance may be formed. This is called a ____ change.
Chemical
The scientific study of what matter is made of and how it changes is known as what?
Chemistry
People can use ____ to describe and identify matter.
properties
What are characterisitcs of particles?
They are two small to be seen
During a physical change, the total ____ of matter is conserved.
weight, mass
When a chemical change occurs, the total weight of matter does what?
Stays the same, is conserved.
Matter is made up of particles too small to be seen. These are called what?
Atoms
Describe Solubility
is able to dissolve example sugar in water
What is an example of a particle that makes up matter?
air, atom
What are the three states of matter?
solid, liquid and gas
What is an example of a chemical change?
Baking bread, cookies, slime, fire, glowstick.
Matter made up of a single type of atom is called what?
Element
Name three properties of matter
color, hardness, conductivity, reflectivity, boyant, solubility, shape.
Blowing up a balloon can be used as a ____ to show that particles exist.
model
In your own words describe a physical change.
melting ice to water
freezing water to ice
How do you know when a chemical change has occurred?
change in color or odor, formation of gas, a precipitate is formed, release of heat.
All of the atoms of an element are what?
identical
Explain how evidence can be used to describe matter.
our experiments of the wall how did we figure out which combination would work
What is an example of evidence that can be used to explain that matter is made of particles too small to be seen?
Sugar dissolved in water can't see it but you are able to taste it.
How can you prove that the total weight of matter is conserved during a physical change?
by weighing before and after.
What kind of evidence of a chemical change would you expect to find when you burn a match?
emission of light or change in temperature.
Describe a molecule
made up of two or more atoms that are linked together by bonds