1. What is Matter?
mass
Matter is anything that has ___________ and takes up ___________.
What are some examples of matter? ____________________________________________________________________
Is light matter? _______________
Is wood matter? _______________
Is air matter? ______________
space No
Yes
Yes

2. Classifying Matter
All matter can be classified into one of several groups based on the properties of the substances.
__________________ are substances that are made up of only one type of particle.
Pure substances have a _______ composition
_______________ and _________________ are pure substances
Pure Substances
fixed
Elements
compounds

3. Classifying Matter – Elements
Elements cannot be broken down into simpler substances through __________ or _______________ processes.
Elements are made of atoms.
________ are the smallest particles that still have the properties of that element.
Atoms join together to form ____________.
chemical
physical
Atoms
compounds

4. Classifying Matter – Compounds
__________________ can be broken into the atoms that make them up through chemical processes.
Compounds are unique and different from the _____________ they contain.
Water is a compound made of _____________ and _____________.
The smallest unit of a compound is called a ________________.
elements
hydrogen
oxygen
molecule

5. Classifying Matter – Mixtures
Mixtures vs. pure substances
A _________________ is matter that has a fixed composition and cannot be broken down or separated by a physical change.
A ________________ is a combination of two or more pure substances that can be separated by a physical change.
pure substance
mixture

6. Classifying Matter – Mixtures
Mixtures are classified by how well they mix
____________________ mixtures are not uniformly mixed and do not look the same throughout.
One example is flour mixed with water. The mixture looks like muddy water.
____________________ mixtures look the same throughout.
An example would be salt water.
Heterogeneous
Homogeneous

7. Classifying Matter – Mixtures
______________ liquids are able to dissolve into each other, and form a homogeneous mixture.
__________________ liquids are heterogeneous and form layers of liquid.
Gases can also mix with liquids
Miscible
Immiscible

8. Classifying Matter – Mixtures
Homogeneous Mixtures are known as _______________
There are two types of heterogeneous mixtures
Suspensions and Colloids
_________________ have large particles that will settle out of the mixture
_________________ have particles that are smaller and do not settle out.
solutions
Suspensions
Colloids

9. Elements Compounds Matter Mixtures Pure Substances Heterogeneous
Homogeneous

10. Physical and Chemical Properties
A ______________ property is the way a substance reacts to form new substances with different properties.
___________ is the ability of a substance to combine chemically with other substances.
Examples of Chemical Properties
_____________________________________________
Reactivity

11. Physical and Chemical Properties
Physical properties are characteristics of a substance that can be observed or measured without changing the ___________________ of the substance.
Ex. ________________________________
Ex. _____________________________________
composition

12. Physical and Chemical Changes
A ___________________ change occurs when a substance changes composition by forming one or more new substances.
Referred to as chemical reactions
Ex. ____________________________________
Chemical changes occur when the atoms are either broken apart from each other or _______________ to form new substances
The atoms do not change their ___________
rearranged
identities

13. Physical and Chemical Changes
Physical changes do not change the ________________ of the substance.
The substance may look different, but it is still made of the same substances.
Ex. ____________________________________
_______________ is a physical change.
Salt water tastes the same as table salt, because the ________________ of the salt does not change when dissolved.
composition
Dissolving
composition