Anything that has mass and takes up space is known as what?
Matter
What is matter made up of?
Smaller particles
Cutting up a piece of paper is an example of ___________ change.
Physical
When two or more different substances are mixed, a new substance may be formed. This is called a _______ change.
The scientific study of what matter is made of and how it changes is known as what branch of science?
Chemistry
People can use ____________ to describe and identify matter.
Properties
What is a characteristic of a particle?
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/is conserved
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
What are the three states of matter?
Liquid, gas, solid
What is an example of chemical change?
cooking/baking/rusting/burning paper, rotting a banana, etc.
Matter made up of a single type of atom is called a what?
Element
Name three properties of matter.
Color, hardness, reflectivity, conductivity, magnetism, density, solubility
Blowing up a balloon can be used as a _______to show that particles exist.
model
In your own words, describe a physical change.
Crumpling up a piece of paper, Cutting the grass, etc.
How do you know that a chemical change has occurred?
Formation of a gas, color change, odor change, temperature change, light, precipitate
All of the atoms of an element are what?
Identical
Explain how evidence can be used to describe matter.
Observations or measurements of physical properties can be used as evidence to describe types 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 a liquid / Dissolving a substance
How can you prove that the total weight of matter is conserved during a physical change?
Weight 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?
change in temperature / light
Describe a molecule.
Molecules form when atoms join together with other atoms.