Properties of Matter
Anything that has mass and takes up space
Matter
What is matter made up of?
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 is a characteristic of particles?
they are too small to be seen
During a physical change, the total __________ of matter is conserved.
weight or mass
When a chemical change occurs, the total weight of matter does what?
stays the same
Matter is made up of particles too small to be seen. These are called what?
Atoms
Describe solubility
the ability of a substance to dissolve
What is an example of a particle that makes up matter?
air, sugar, water
What are the three states of matter?
solid, liquid, gas
What is an example of a chemical change?
rusting, slime, glow sticks, burning something, baking cookies, tarnish on silver, green coins.....
Matter made up of one kind of atom is called a what?
Element
Name three properties of matter
color, hardness, reflectivity, electrical or thermal conductivity, magnetism, solubility
Blowing up a balloon can be used as a ___________ to show that particles exist.
model
In your own words, describe a physical change.
when matter changes state but does not become something new
How do you know that a chemical change has occurred?
Formation of gas, color change, odor change, temperature change, light, precipitate
Describe a molecule.
molecule = atoms joined together
Explain how evidence can be used to describe matter.
You can use observations and quantitative measurements of physical properties to provide evidence
What is an example of evidence that can be used to explain that matter is made of particles too small to be seen?
inflating a balloon, evaporating liquids, dissolving a substance, condensation
How can you prove that the total weight of matter is conserved during a physical change?
measure the matter before and after the change
What kind of evidence of a chemical change would you expect to find when you burn a match?
temp change, light, color change