I. The document discusses states of matter and phase changes. It includes review questions, diagrams, and discussions of physical properties for solids, liquids, and gases. II. Think-write-group-share activities are used to review key concepts like the arrangement of atoms/molecules in different phases and the energy involved in phase changes. III. Physical changes like melting, freezing, boiling, evaporation, condensation, and sublimation are defined as changing between phases without a chemical reaction. Energy must be added or removed for phase changes to occur.

1. CST Review
States of Matter

2. CST Review
States
of Matter

3. States of Matter
Graphic Organizer

4. Physical Changes Thinking Map

5. Class Work

6. BrainPop
States of Matter
Brain Pop
Click picture to go to this BrainPop

7. BrainPop
Matter Changing
States
Brain Pop
Click picture to go to this BrainPop

8. 23
CST Review Questions

9. How are atoms and molecules arranged in a gas?
Movement of Molecules
solids
e
n
e
r
g
y
e
n
e
r
g
y
liquids
e
n
e
r
g
y
gases
Vibrate
Move
Freely
Move Fast
Hit Things

10. 23
CST Review Questions

11. 23
CST Review Questions

12. CST Review Questions
40

13. Arrangement of Molecules
Atoms & molecules are arranged
differently in solids, liquids, & gases.
liquids
solids gases
energy energy
Close
Together
Space
Between
Very Far
Apart

14. Energy of Molecules
Atoms & molecules in gases have
MORE energy than atoms &
molecules in solids and liquids.
solids
e
n
e
r
g
y
e
n
e
r
g
y
liquids
e
n
e
r
g
y
gases

15. CST Review Questions
40

16. CST Review Questions
40

17. Think-Group-Share
1. THINK: Read the question and THINK
about the answer.
2. GROUP: Discuss the answer with your
teammates and agree on the correct
answer.
3. SHARE your answers by writing them on
the magnetic slate and holding them up.

18. Think-Write-Group-Share
What four states can
matter exist in?

19. Think-Write-Group-Share
What four states can
matter exist in?
 solid, liquid, gas, plasma

20. What states (forms) can matter exist in?
I. Matter can exist in 3 states or
phases: solids, liquids, gases.
solids liquids gases

21. Think-Write-Group-Share
Solids
 A. do not have a shape
 B. have a shape

22. Think-Write-Group-Share
Solids
 A. do not have a shape
 B. have a shape

23. How are atoms and molecules arranged in a solid?
II. Solids have their own shapes
and sizes.
Solids have their
own shape and
size.

24. Think-Write-Group-Share
Liquids
 A. do not have a shape
 B. have a shape

25. Think-Write-Group-Share
Liquids
 A. do not have a shape
 B. have a shape

26. What are the properties of liquids?
IV. Liquids do not have their
own shapes.
Liquids do
not have their
own shapes.

27. Think-Write-Group-Share
Gases
 A. do not have a shape
 B. have a shape

28. Think-Write-Group-Share
Gases
 A. do not have a shape
 B. have a shape

29. What are the properties of gases?
VI. Gases do not have their own
shapes and sizes.
Gases do not
have their
own shapes
and sizes.
Gas

30. States of Matter Graphic Organizer
States of Matter Graphic Organizer
Properties Solids Liquids Gases
Shape Has shape No shape No Shape
Volume
(Size)
Size/Volume
stays the same
Volume stays
the same.
Volume expands to
fill the container.

31. Think-Write-Group-Share
The volume (size) of solids
 A. does not change in
different containers
 B. changes with the
container.

32. Think-Write-Group-Share
The volume (size) of solids
 A. does not change in
different containers.
 B. changes in different
containers.

33. How are atoms and molecules arranged in a solid?
A. The size and volume of a
solid does not change unless
the solid changes.

34. Think-Write-Group-Share
The volume of liquids
 A. does not change in
different containers.
 B. changes with the
container.

35. Think-Write-Group-Share
The volume of liquids
 A. does not change in
different containers.
 B. changes in different
containers.

36. What are the properties of liquids?
A. Liquids do not change their
size or volume.
Liquids do not change their size or volume.

37. Think-Write-Group-Share
The volume of gases
 A. does not change in
different containers
 B. changes with the
container.

38. Think-Write-Group-Share
The volume of gases
 A. does not change in
different containers
 B. changes with the
container.

39. What are the properties of gases?
A. Gases completely fill their
containers.
Gases completely fill their
containers and take their shapes.
Gas

40. States of Matter Graphic Organizer
States of Matter Graphic Organizer
Properties Solids Liquids Gases
Shape Has shape No shape No Shape
Volume
(Size)
Size/Volume
stays the same
Volume stays
the same.
Volume expands to
fill the container.

41. Think-Write-Group-Share
Solids
 A. take the shape of the
container.
 B. do not take the shape of
the container.

42. Think-Write-Group-Share
Solids
 A. take the shape of the
container.
 B. do not take the shape of
the container.

43. How are atoms and molecules arranged in a solid?
B. Solids do NOT take the
shapes of their containers.
Solids do NOT
take the shapes
of their
containers.

44. Think-Write-Group-Share
Liquids
 A. take the shape of the
container.
 B. do not take the shape of
the container.

45. Think-Write-Group-Share
Liquids
 A. take the shape of the
container.
 B. do not take the shape of
the container.

46. What are the properties of liquids?
B. Liquids take the shapes of
their containers.
Liquids
take the shapes
of their
containers.

47. Think-Write-Group-Share
Gases
 A. take the shape of the
container.
 B. do not take the shape of
the container.

48. Think-Write-Group-Share
Gases
 A. take the shape of the
container.
 B. do not take the shape of
the container.

49. What are the properties of gases?
B. Gases take the shapes of their
containers.
Gases completely fill their
containers and take their shapes.
Gas

50. States of Matter Graphic Organizer
States of Matter Graphic Organizer
Properties Solids Liquids Gases
What
happens
when
placed in
a
container
Do not take
the shape of
the container.
Take the shape
of the
container.
Take the shape of
the container and fill
the container.

51. Think-Write-Group-Share
Atoms and molecules in solids
are
 A. close together and touching.
 B. very very far apart.
C. have space between them.

52. Think-Write-Group-Share
Atoms and molecules in solids
are
 A. close together and touching.
 B. very very far apart.
C. have space between them.

53. How are atoms and molecules arranged in a solid?
III. Atoms and molecules are
close together in solids.
solids
Atoms or molecules
are close together in
a solid.

54. Think-Write-Group-Share
Atoms and molecules in liquids
are
 A. close together and touching.
 B. very very far apart.
C. with space between them.

55. Think-Write-Group-Share
Atoms and molecules in liquids
are
 A. close together and touching.
 B. very very far apart.
C. with space between them.

56. Think-Write-Group-Share
What kind of change is
matter changing between
solid liquid and gas?
 chemical change
 physical change

57. Think-Write-Group-Share
What kind of change is
matter changing between
solid liquid and gas?
 chemical change
 physical change

58. What are examples of physical changes?
liquid
solid
energy
Changing between solids, liquids and
gases are physical changes.
energy
gas

59. Think-Write-Group-Share
In a physical change (2 answers)
 A. new substances are created
 B. NO new substances are created.
 C. Substances are made with different
properties.
 D. Made substances do not have different
properties.

60. Think-Write-Group-Share
In a physical change
 new substances are created
 B. NO new substances are created.
 Substances are made with different
properties.
 D. Made substances do not have different
properties.

61. What are examples of physical changes?
liquid
solid
energy
When matter changes between solids,
liquids, and gases nothing new is
created.
energy
gas

62. What are examples of physical changes?
Water
liquid
H2O
Ice
solid
H2O
energy
Ice, liquid water and steam are
all water, H2O.
energy
Steam
H2O
gas

63. Think-Write-Group-Share
When matter changes between
solid, liquid and gas (2 answers)
 A. heat energy must be added
 B. heat energy must be subtracted.
 C. energy is destroyed.
 D. the amount of energy does not change.

64. Think-Write-Group-Share
When matter changes between
solid, liquid and gas
 A. heat energy must be added
 B. heat energy must be subtracted.
 C. energy is destroyed.
 D. the amount of energy does not change.

65. How do substances change states (phases)?
Substances change from solids to
liquids to gases when energy is
added or subtracted.
liquid
solid gas
energy energy
heat heat

66. Think-Write-Group-Share
When matter changes from solid to
liquid to gas
 A. the atoms get closer together.
 B. the atoms get farther apart.
 C. the atoms do not change.

67. Think-Write-Group-Share
When matter changes from solid to
liquid to gas
 A. the atoms get closer together.
 B. the atoms get farther apart.
 C. the atoms do not change.

68. How do substances change states (phases)?
C. Atoms & molecules become farther
apart when energy is added.
liquids
solids gases
energy energy

69. Think-Write-Group-Share
When matter changes from solid to
liquid to gas
 A. the atoms move faster.
 B. the atoms move slower.
 C. the atoms do not change.

70. Think-Write-Group-Share
When matter changes from solid to
liquid to gas
 A. the atoms move faster.
 B. the atoms move slower.
 C. the atoms do not change.

71. How do substances change states (phases)?
B. Atoms & molecules move faster
when energy is added.
liquids
solids gases
+ energy + energy

72. Think-Write-Group-Share
Changing from solid to liquid is called
 A. condensation.
 B. freezing.
 C. boiling/evaporation.
 D. melting.
 E. sublimation.

73. Think-Write-Group-Share
Changing from solid to liquid is called
 A. condensation.
 B. freezing.
 C. boiling/evaporation.
 D. melting.
 E. sublimation.

74. What physical processes cause phase changes?
A. A solid becoming a liquid is
called the process of melting.
liquid
solid
Add energy
Melting

75. Think-Write-Group-Share
Changing from liquid to solid is called
 A. condensation.
 B. freezing.
 C. boiling/evaporation.
 D. melting.
 E. sublimation.

76. Think-Write-Group-Share
Changing from liquid to solid is called
 A. condensation.
 B. freezing.
 C. boiling/evaporation.
 D. melting.
 E. sublimation.

77. What physical processes cause phase changes?
B. A liquid becoming a solid is
called the process of freezing.
liquid solid
- energy
taken away
Freezing

78. Think-Write-Group-Share
Changing from liquid to gas is called
 A. condensation.
 B. freezing.
 C. evaporation/boiling.
 D. melting.
 E. sublimation.

79. Think-Write-Group-Share
Changing from liquid to gas is called
 A. condensation.
 B. freezing.
 C. evaporation/boiling.
 D. melting.
 E. sublimation.

80. What physical processes cause phase changes?
liquid
C. A liquid becoming a gas is
called evaporation and boiling.
Add energy
Evaporation and Boiling
gas

81. Think-Write-Group-Share
Changing from liquid to gas quickly is
called
 A. condensation.
 B. boiling.
 C. evaporation.
 D. sublimation

82. Think-Write-Group-Share
Changing from liquid to gas quickly is
called
 A. condensation.
 B. boiling.
 C. evaporation.
 D. sublimation

83. What physical processes cause phase changes?
liquid
1. When a liquid becomes a gas
QUICKLY it is called boiling.
Add energy
Boiling
gas

84. Think-Write-Group-Share
Changing from liquid to gas slowly is
called
 A. condensation.
 B. boiling.
 C. evaporation.
 D. sublimation

85. Think-Write-Group-Share
Changing from liquid to gas slowly is
called
 A. condensation.
 B. boiling.
 C. evaporation.
 D. sublimation

86. What physical processes cause phase changes?
liquid
2. When a liquid becomes a gas
SLOWLY it is called evaporation.
Add energy
Evaporation
gas

87. Think-Write-Group-Share
Changing from gas to liquid is called
 A. condensation.
 B. freezing.
 C. boiling/evaporation.
 D. melting.
 E. sublimation.

88. Think-Write-Group-Share
Changing from gas to liquid is called
 A. condensation.
 B. freezing.
 C. boiling/evaporation.
 D. melting.
 E. sublimation.

89. What physical processes cause phase changes?
liquid
D. A gas becoming a liquid is
called condensation
- energy
Condensation
gas

90. Think-Write-Group-Share
Changing from solid to gas is called
 A. condensation.
 B. freezing.
 C. boiling/evaporation.
 D. melting.
 E. sublimation.

91. Think-Write-Group-Share
Changing from solid to gas is called
 A. condensation.
 B. freezing.
 C. boiling/evaporation.
 D. melting.
 E. sublimation.

92. What physical processes cause phase changes?
2. A solid becoming a gas is called
the process of sublimation.
solid
Add energy
Sublimation
gas

93. What physical processes cause phase changes?
energy
1. Solids like dry ice become gases
when heat energy is added.
Carbon Dioxide Gas
Dry Ice (frozen CO2 )