1. Atom Substance Mixture compound Elements homogeneous heterogeneous
electrons _
Matter is _______________________________________________________________
Anything that has mass and volume
protons
Atom
nucleus + +
The building block of matter
neutron
Substance _
Definite properties & compositions
Mixture
Random compositions
compound
Elements
Molecule (2 diff. atoms)
Element chemically joined
One type of atom
Can’t be broken into something else
homogeneous
heterogeneous
Looks the same uniform
Looks different
Location
Periodic Table
all natural and synthetic elements arranged using the atomic number
Atomic number
symbol
Atomic mass
Groups
Grp 1
Grp2
Grp 17
Grp 18
Periods
Vertical columns
Similar properties
Horizontal rows
(up and down)
Alkali metal – most reactive M
Metals Ex
Metalloids Ex
Nonmetals Ex
Left of table
Border zig-zag line
Right of table
Alkaline
Earth metal 2nd
most reactive M
Semi –conductors
not malleable
Malleable, Ductile
Not ductile, dull
metal and nonmetal
properties
Good conductors
Hydrogen H
Oxygen O
Halogens most reactive NM
Sodium (Na)
silicone (Si)
Nobel gases Non reactive

2. Warm Up 1___Compound a) element, compound 2___mixture b)
Complete this warm up. Be sure to include today’s date. Copy the following and complete the matching activity.
1___Compound a) element, compound
2___mixture b)
3___electron c) no charge or neutrally charge 4___Proton d)
5___ Atom e) Na, H, Ni, Co
6___ substance f) positively charge subatomic particles
7___Neutron g) corn bread,
8___molecule h) CO, NH4, CaPO4
9___element i) negatively charge subatomic particles

3. Physical and Chemical Changes
magnetism

4. What is matter?
Everything that has mass and volume is called matter. Everything is made of matter
Basic definition of matter.

5. Matter has properties
Two basic types of properties that we can associate with matter.
Physical properties
Chemical properties

6. What are properties? h
Characteristics used to identify, describe and classify matter
Two basic types of properties of matter are : Physical properties and Chemical properties:

7. Freezing/boiling melting point
Physical Properties
Characteristic of a substance that can be measured/observed (using your senses) without changing the substance into something else.
size
Texture
color
Odor
Taste
mass
shape
Freezing/boiling melting point
density
Volume
Magnetism
Temperature

8. More EXAMPLES - Physical
Physical State
solid, liquid, gas or plasma
Viscosity - The resistance of a liquid to flowing.
Examples:
Low viscosity-water, rubbing alcohol
High viscosity-honey

9. Creating a new chemical product
Chemical Properties
Chemical properties are characteristics involved when a substance interacts with another substance to change its chemical make-up.
Flammability
Rusting
Creating gas bubbles
Creating a new chemical product
Reactivity with water pH

10. Alike? Different?
Draw a double bubble map in your notes to compare and contrast physical and chemical properties.

12. Matter Matter is everywhere.
Matter is anything that takes up space and has mass.
Matter is constantly experiencing both chemical and physical changes.

13. Physical Change
Physical changes occur when matter changes its physical property but not its chemical properties. No new substance is created.
Physical property changes could include a change in: texture, shape, size, color, volume, mass, weight, and density.

14. Examples of Physical Changes
Boiling
Freezing
Dissolving
Breaking
Making a mixture
2 or more types of matter (substances) mixed together
Not in specific amounts
Can be separated physically

15. Chemical Change
Chemical changes are changes matter undergoes when it becomes new or different matter.
To identify a chemical change look for signs such as, bubbling and fizzing, light production, color change with an odor, smoke, and presence of heat.

16. Evidence of a Chemical Change
Formation of gas
Formation of precipitate (a solid that results from two liquids reacting)
Change in color
Change in energy/change in Temp.
Endothermic Absorbs heat energy (gets cold)
Exothermic Releases heat energy (gets hot)

17. What kind of changes does matter undergo?
The type of change that occurs in matter depends on the type of properties that are changed.
Physical changes change physical properties only
Chemical changes change chemical properties and physical properties

18. Chemical Changes The composition of the substance changes.
The substances present at the beginning of the change are not present at the end; new substances are formed. The change cannot be “undone.”

19. Is it a chemical or physical change?
Sugar dissolving in tea
Chemical Change
Physical Change

20. OOPS! Did it change size, color, shape (Physical Change)? or
Did it become different matter (Chemical Change)?

21. Correct!

22. Is it a chemical or physical change?
Logs burning
Chemical Change
Physical Change

23. OOPS! Did it change size, color, shape (Physical Change)? or
Did it become different matter (Chemical Change)?

24. Correct!

25. Is it a chemical or physical change?
Breaking water up by separating it into hydrogen and oxygen
Chemical Change
Physical Change

26. OOPS! Did it change size, color, shape (Physical Change)? or
Did it become different matter (Chemical Change)?

27. Correct!

28. Is it a chemical or physical change?
Cutting paper
Chemical Change
Physical Change

29. OOPS! Did it change size, color, shape (Physical Change)? or
Did it become different matter (Chemical Change)?

30. Correct!

31. Is it a chemical or physical change?
Crushing an aspirin
Chemical Change
Physical Change

32. OOPS! Did it change size, color, shape (Physical Change)? or
Did it become different matter (Chemical Change)?

33. Correct!

34. Is it a chemical or physical change?
Metal rusting
Chemical Change
Physical Change

35. OOPS! Did it change size, color, shape (Physical Change)? or
Did it become different matter (Chemical Change)?

36. Correct!

37. Is it a chemical or physical change?
Lighter fluid burning
Chemical Change
Physical Change

38. OOPS! Did it change size, color, shape (Physical Change)? or
Did it become different matter (Chemical Change)?

39. Correct!

40. Is it a chemical or physical change?
An egg rotting
Chemical Change
Physical Change

41. OOPS! Did it change size, color, shape (Physical Change)? or
Did it become different matter (Chemical Change)?

42. Correct!

43. Is it a chemical or physical change?
An egg breaking
Chemical Change
Physical Change

44. OOPS! Did it change size, color, shape (Physical Change)? or
Did it become different matter (Chemical Change)?

45. Correct!

46. Writing Activity
Write a paragraph about the difference between a chemical and physical change. Give examples of each.