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
When two or more different substances are mixed, a new substance is formed. This is a _____ change
chemical
Scientific study of what matter is made of and how it changes
chemistry
People can use __________ to describe and identify matter
properties
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?
atoms
Describe solubility
the ability to dissolve
What is an example of a particle that makes up matter?
air
What are the three states of matter?
liquid, solid, gas
What is an example of a chemical change?
new substance
Matter made up of a single type of atom is called
element
Name 3 properties of matter
color, hardness, reflectivity, electrical conductivity, 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
no new substance
How do you know when a chemical change occured?
formation of gas, change in color, change in odor, change in temperature, light emission, precipitate
all atoms of an element are
identical
measurements of physical properties of matter
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
How can you prove that the total weight of matter is conserved during a physical change?
measure the matter before and after the change occurs
What kind of evidence of a chemical change would you expect to find when you burn a match?
temperature or light emission
describe a molecule
molecules form when atoms join together with other atoms