Chemical And Physical Properties - Mount Logan Middle School

Student Name: ___________________________________ Hour: _______ Date: _______________
Chemical and Physical Properties, Standard 1 Objective 1 Study Guide
Eighth Grade Integrated Science, Mr. Lowe
This test will assess your academic understanding of the material that is in the eighth grade curriculum.
This will enable me to adjust my curriculum to meet your needs in my classes. Please do your very best
Multiple Choice: Read the question and all possible answers. Write the letter of the choice you select
on the line in front of the question number.
____ 1. Glass breaking is an example of a:
a. Chemical property b. Physical Property c. Chemical Change d. Physical Change
____ 2. Metal oxidizing (tarnishing, rusting) is an example of a:
a. Chemical property b. Physical Property c. Chemical Change d. Physical Change
____ 3. When describing an object, which of the following is a chemical property?
a. size b. shape c. texture d. flammability
____ 4. When a glowing splint is placed in a test tube of hydrogen, what will happen?
a. it will burst into a flame b. It will make a popping sound c. It will stop glowing
____ 5. When a glowing splint is placed in a test tube of carbon dioxide, what will happen?
a. it will burst into a flame b. It will make a popping sound c. It will stop glowing
____ 6. When a glowing splint is placed in a test tube of oxygen, what will happen?
a. it will burst into a flame b. It will make a popping sound c. It will stop glowing
____ 7. When vinegar and baking soda are mixed together, what gas is given off by the reaction?
a. oxygen b. hydrogen c. chlorine d. carbon dioxide e. carbon monoxide
____ 8. When scientist use the scientific method to discover new things their primary purpose is to:
a. discover something that will make them rich.
b. discover the variables that control an occurrence in nature.
c. determine the cost of using the new information to make something useful.
d. find something that is important to their government.
____ 9.
Plants use chemical changes in their life cycle. Which of the following is not one of the
chemical changes used by plants?
a. respiration b. photosynthesis c. water absorption d. sugar production
____ 10. Landfills have a big problem with synthetic products because they :
a. decompose to quickly b. decompose very slowly c. explode after they are buried
____ 11. When water boils, the bubbles coming to the surface are made of:
a. carbon dioxide b. oxygen c. hydrogen d. water vapor
____ 12. Water boils at 100 o C at sea level. It takes longer to hard boil an egg at higher altitudes.
Why is this so?
a. Water boils at lower temperatures at high altitudes.
b. Water boils at higher temperatures at high altitudes.
c. The density of the egg is greater at high altitudes.
d. Celsius degrees are not the same size units at high altitudes.

Use this graph to answer questions 13 – 16.
Phase Change for Water at Sea Level
120
100
Temperature in degrees Celsius
80
60
40
20
0
-20
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Water Temp. -6 -3 0 0 0 3 8 14 22 32 50 62 72 80 86 92 96 98 100 100 100
Time in Minutes
Water Temp.
____ 13. What is happening from minute 2 – minute 4?
a. The temperature stays the same during phase change from ice to water.
b. The temperature is rising between phase changes.
c. The temperature stays the same during phase change from water to water vapor.
d. The thermometer is probably broken.
____ 14. All of the ice is turned to water by the end of minute:
a. 2 b. 3 c. 4 d. 5 e. 20
____ 15. During phase change as temperature stays constant the heat energy in the water:
a. increases b. decreases c. stays the same
____ 16. From the end of minute 4 to the beginning of minute 18 all of the water was in ______ phase.
a. solid b. liquid c. Gas d. plasma
____ 17. Which of the following will not cause a change in the temperature at which water boils?
a. increase or decrease of latitude c. increase or decrease of atmospheric pressure
b. increase or decrease of altitude

Use the following chart to answer questions 18 – 21.
Flask
Dissolution Rate of 1 Cubic Centimeter of Sugar
in 150 ml of water
Procedure
Complete Dissolution Time,
(Seconds)
Trial 1 Trial 2 Trial 3 Average
1 Sugar in water undisturbed 15.95 15.78 16.01 15.91
2
Sugar ground and placed in
undisturbed water
10.64 10.82 10.53 10.66
3
Sugar ground, placed in water and
swirled
1.78 1.82 1.86 1.82
4
Sugar ground, placed in water, swirled,
and heated
.42 .40 .52 .45
____ 18. What was the most effective set of steps for dissolving sugar?
a. flask 1 b. flask 2 c. flask 3 d. flask 4
____ 19. What action had the greatest effect on dissolution rate of sugar?
a. sugar cube in water b. grinding the sugar c. swirling the sugar d. heating the sugar
____ 20. Which action had the least effect on dissolution rate of sugar?
a. flask 1 b. flask 2 c. flask 3 d. flask 4
____ 21. What effects the validity of the data in this experiment most?
a. organization of the chart b. multiple trials for each flask c. presentation on a chart
A student designed an experiment to test the chemical and physical properties of four known, solid
substances (A, B, C, and D) and one unknown solid substance. She suspected the unknown substance
was one of the four known substances. The properties she considered testing are listed below.
boiling point melting point freezing point density mass volume shape
reaction to acid reaction to base reaction to water reaction to heat color odor
____ 22.The student discovered that the unknown was identical to substance “C” in every property
except mass and volume. Could the unknown possibly be identified as “C”?
a. yes, if any of properties are the same, then the substances are the same
b. yes, mass and volume vary even in the same substance
c. no, mass and volume are important measurements
d. no, all properties must match
____ 23. Study the list of processes that can bring about chemical and physical changes below.
1. Cooking oil was splashed on a hot stove burner.
2. Electricity was run through water to separate the hydrogen from the oxygen.
3. A shovel was left stuck in the mud over the winter.
4. Baking soda and hot water were used to clean the corrosion off a car battery.
5. A magnifying glass focused the sun’s rays to there brightest point on paper.

6. A bicycle chain was left out in the rain without any oil.
a. 5, 6 b. 2, 5 c. 1, 4 d. 3, 6
____ 24. What is 25 degrees Celsius in degrees Kelvin?
a. 298 b. 248 c. 398 d. 348 e. 237
____ 25. What is 200 degrees Kelvin in degrees Celsius?
a. 300 b. -100 c. 73 d. -73 e. 12
____ 26. Both hydrogen and oxygen are flammable. Water is made of 2 parts hydrogen and 1 part
oxygen, why doesn’t water burn?
a. Water will burn if you get it hot enough.
b. Because water is a liquid and hydrogen and oxygen are gases.
c. When elements combine physically they form new substances with different properties.
d. When elements combine chemically they form new substances with different properties.
____ 27. What is the measurement of the liquid above?
a. 10 milliliters b. 12 grams c. 11.5 milliliters d. 11.5 grams
____ 28. Which of the following is not a chemical property of matter?
a. flammability b. corrosive c. melting point d. acid/base reactivity
____ 29. Which of the following is true of chemical properties?
a. They describe the phase the substance is in.
b. They describe characteristics of a substance such as size, color, and shape.
c. They explain how the substance reacts with other substances.
d. They describe what chemical changes the substance is currently going through.
While investigating the chemical and physical properties of a new substance created in class,
Sally and Tyler record the following observations: (Use to answer question 30.)
The new substance is solid.
The new substance forms into thin flat sheets.
The new substance is smooth.
The new substance will burn.
The new substance looks like it will tear easily.
The new substance looks like it will dissolve in acid easily.
____ 30. Which of their statements would be an inference about a chemical property?

a. The new substance forms into thin flat sheets.
b. The new substance is smooth.
c. The new substance looks like it will tear easily.
d. The new substance looks like it will dissolve in acid easily.
____ 31. A scientist places 10 mL of water in a test tube and heats the liquid over a Bunsen burner
for 2 minutes. The liquid boils and escapes as steam. This experiment is a good example of
a. chemical change involving phase changes c. chemical change involving chemical reactions
b. physical change involving phase changes d. physical change involving chemical reactions
____ 32. What is one way that a plastic soda bottle is better than a glass one?
a. It is transparent c. It is recyclable
b. It doesn’t flavor the drink d. It doesn’t shatter
Answer questions 33 – 41 with the following choices. One answer will be used more than once.
a. 0 b. 373 c. 100 d. 212 e. 273 f. -273 g. 32 h. – 460
____ 33. Absolute Cold Kelvin ____ 36. Freezing Kelvin ____ 39. Boiling Kelvin
____ 34. Absolute Cold Celsius ____ 37. Freezing Celsius ____ 40. Boiling Celsius
____ 35. Absolute Cold Fahrenheit ____ 38. Freezing Fahrenheit ____ 41. Boiling Fahrenheit
A cube of sugar has the following properties. Mark each property as a (C)chemical or
(P)physical property. (42 – 46)
____ 42. Mass = 2 grams
____ 43. Density = 8 g/cm 3
____ 44. Burns when heated
____ 45. Composed of small, white crystals
____ 46. Bubbles and fizzes when heated
Terry and Jean experimented with several items to see what would happen under different
conditions. Below is the data table they wrote at the conclusion of the experiment.
Put in water over
night
Held in candle flame
for 30 seconds
Connected to the terminals
of a 12 volt battery
Steel wool Rusted Burned Burned
Paper Got soppy Burned No change
Copper wire Got wet Got hot, bent in the Got hot, melted in half
middle
Wood
splinter
Swelled up with water Burned
No change
____ 47. Which substance changed chemically under all three conditions?
a. steel wool b. paper c. copper wire d. wood splinter

____ 48. Which substance changed physically under all three conditions?
a. steel wool b. paper c. copper wire d. wood splinter
____ 49. What would be a good conclusion for this experiment?
a. Steel wool is the most reactive.
b. Paper is the most reactive.
c. Copper wire is the most reactive.
d. Wood splinter is the most reactive.
Study the list of potential chemical and physical changes below. Then answer the questions (50 – 52).
A. Jim uses baking soda and vinegar to make bubbles to erupt a model volcano.
B. Fred left a sack of steel nails out on the porch where they got wet and rusted.
C. Jack scraped flint across steel to light his cigarette lighter.
D. The door panel of Jan’s old truck has the paint scraped off and is rusted.
E. Jane strikes a sulfur match rapidly across a hard surface to light it.
F. Jill uses baking powder in her biscuits to cause bubbles to form in the cooking dough.
____ 50. What are the changes described above?
a. Physical changes of size, shape, and color
b. Physical changes of phase, volume, and density
c. Chemical changes of respiration, pH, and Photosynthesis
d. Chemical changes of rusting, burning and gas production
____ 51. What would indicate that burning might take place in some of these chemical reactions?
a. wet metal in air b. bubbles in air c. heat generated d. energy is absorbed
____ 52. What conditions would indicate rusting might take place in some of these chemical reactions?
a. wet metal in air b. bubbles in air c. heat generated d. energy is absorbed
The following data was collected by a group of students as they tested four different types of plastics.
(Use the information to answer questions 53 – 56.)
Plastic Acetone Flame test Heat Crease color
1 No effect Green color Softens None
2 Softened No change No change White
3 No effect Red color Softens None
4 No effect Green color Softens None
____ 53. Which of the plastics might be the same?
a. 1 & 2 b. 2 & 3 c. 3 & 4 d. 1 & 4
____ 54. Which plastic would be best to put in a microwave?
a. 1 b. 2 c. 3 d. 4
____ 55. Which plastic could be used with a flame?
a. 1 b. 2 c. 3 d. 4

____ 56. Which plastic would be unsafe to use to store products that contain acetone?
a. 1 b. 2 c. 3 d. 4
Study the list of processes that can bring about chemical and physical changes.
(Use the following information to answer questions 57 - 59.)
A. Cooking oil was splashed on a hot stove burner.
B. Electricity was run through water to separate the hydrogen from the oxygen (Electrolysis).
C. A shovel was left stuck in the mud over the winter.
D. Baking soda and hot water were used to clean the corrosion off a car battery’s terminals.
E. A magnifying glass focused the sun’s rays to their brightest point on a piece of paper.
F. A bicycle chain was left out in the rain without any oil.
____ 57. Which items on the list would most likely deal with rusting?
a. F, E b. B, E c. A, D d. C, F
____ 58. Which items on this list would most likely give off gas?
a. B, D b. A, E c. B, F d. C, F
____ 59. Which items on the list would most likely burn?
a. A, E b. F, C c. B, D d. A, F
Examine the following table to answer questions 60 – 63.
Substance
Sugar
Salt
Baking
Soda
Flour
Sodium
Physical
Description
Small, white,
hard crystals
Small, white,
hard crystals
Fine, white,
smooth powder
Fine, white,
smooth powder
Soft silver white
Family 1 metal
Reaction to
Acid (weak
HCl solution)
Reaction to Water Reaction to Heat
None None Caramelizes (turns
brown and bubbly)
None None None
Bubbles and
fizzes
None
None
None None Turns brown, if blown
into a flame it will burn.
None Moves around in the water
None
giving off Hydrogen gas.
____ 60. Which substance would be considered the most reactive with acid?
a. sugar b. salt c. baking soda d. flour e. Sodium
____ 61. Which of these tests measured chemical properties?
a. physical description and reaction to heat c. reaction to water and physical description.
b. physical description and reaction to acid d. reaction to acid, water, heat
____ 62. Which substance would be most reactive with water?
a. sugar b. salt c. baking soda d. flour e. Sodium
____ 63. Which of the above substances is least chemically reactive?

a. sugar b. salt c. baking soda d. flour e. Sodium