Anything that has mass and takes up space is known as what?
matter
What is matter made 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
People can use ___ to describe and identify matter.
Properties
What is a characteristic of particles?
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/is conserved/no matter is gained or lost
Describe solubility
The ability of a substance to dissolve
What is an example of a particle that makes up matter.
Air, liquid, etc.
What are three states of matter?
Liquid, solid, gas.
What is an example of a chemical change?
Answers vary. Osborn is judge.
Name three properties of matter.
Blowing up a balloon can be used as a ____ to show that particles exist.
Model
In your own words, describe a physical change.
Answers vary. Mrs. Osborn is the judge.
How do you know when a chemical change has occured?
Formatino of gas, change in color, change in odor, change in temperature, giving off light,
Explain how evidence can be used to describe matter.
Describe observations, measurements, or physical properties.
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, disovlving substances.
How can you prove that the total weight of matter is conserved during a physical change?
Weight it before and after the change.
What kind of evidence of a chemical change would you expect to find when you burn a match?
Change in temperature or giving off light