What is Matter?
What are the 2 things something must have to be considered matter?
Mass and Volume
(Take Up Space)
What is a property?
Something that describes an object/substance
What are the 2 types of changes?
Chemical and Physical
What are the 3 categories of matter?
Element, Compound, Mixture
Air is a compound, element, or mixture?
Mixture, air is made up of nitrogen, oxygen, and other gases
Is air matter?
Yes, it has mass and takes up space!
What are the 2 types of properties?
Chemical and Physical
How can you tell the difference between the 2 types of changes?
Physical is reversible; Chemical is not
Physical don’t create new substances; Chemical create something new
What type of matter is chemically combined?
Compound
The equation for density is _______________
Mass/Volume
Name 1 thing that is NOT matter
Answers will vary
Chemical properties describe _______________
How something reacts
Rusting is what type of change?
Chemical
What are the 2 types of mixtures?
Homogeneous and Heterogeneous
Black coffee is an example of a ________ mixture
Homogeneous
Is light matter?
No, it does not take up space or have mass
What can you use to identify physical properties?
5 senses
Change in color is a ___________ change
Physical or Chemical. Physical if you added the color in, chemical if the color came seemingly from nowhere
If a mixture mixes well it is called __________
Miscible
Oil and water is miscible or immiscible?
Immiscible, it will separate even after stirring
Is heat matter?
No, it does not take up space or have mass
Density is a ____________ property
Physical
Name 3 thing that tell you a chemical change has occurred
Answers may vary
Bubbles, fizzing, color change, sound, light given off, heat
How many elements are in Na2SO4?
3, there are 3 capital letters
Going from solid to gas is an example of a __________ change
Physical