TEST NAME: Science EOG
TEST ID: 49805
GRADE: 05
SUBJECT: Life and Physical Sciences
TEST CATEGORY: My Classroom
Science EOG
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Student: Class:
Date:
1. Campers burned logs in a campfire.
How would the campers know that a chemical change has taken place?
A.
The logs changed shape.
B.
The rocks glowed when heated.
C.
The wood became a different substance.
D.
The ground absorbed heat from the coals.
2.
Kim put a bottle of juice into the freezer. A few hours later, Kim checked
the bottle of juice and noticed there were pieces of ice in the juice. Which
best describes what happened to her bottle of juice?
A.
The juice changed from liquid to gas in the freezer.
B.
The juice changed from solid to gas in the freezer.
C.
The juice had begun to change from liquid to solid in the freezer.
D.
The juice had begun to change from solid to liquid in the freezer.
3.
Which best demonstrates a physical change?
A.
lighting a match
B.
chalk dissolving in an acid
C.
plastic melting into a liquid D.
the color of metal changing when it reacts with oxygen
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4.
Which best explains why burning leaves is a chemical change?
A.
The leaves emit light during the change.
B.
The temperature of the leaves increases.
C.
The shape of the leaves changes.
D.
The leaves turn to ashes. 5.
Principal Green walked outside to replace the school’s flag. When he took
down the old flag, he noticed it had been damaged by the sun. How had
it most likely been changed?
A.
The flag was larger.
B.
The flag was smaller.
C.
The flag’s colors were brighter.
D.
The flag’s colors were dull and faded.
6.
Water is boiled and turns to vapor. The vapor is cooled and changes back
into water. Which best describes what has occurred?
A.
a physical change, because the matter changed its state
B.
a chemical change, because the matter changed its state
C.
a physical change, because a new substance was formed
D.
a chemical change, because a new substance was formed
7. Which of these is a way that a piece of paper can go through a chemical change?
A.
fold the paper in half
B.
soak the paper in water
C.
burn the paper with fire
D.
cut the paper with scissors
8.
A glass of water is placed outside during a hot day. After a few hours,
someone notices that there is less water in the glass. Which best
explains why this happened? A.
water melted; gas formed B.
water evaporated; gas formed
C.
water evaporated; liquid formed
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9.
Which type of change occurs when the size, shape, appearance, or
volume of a substance is changed without changing its composition?
A.
physical
B.
chemical
C.
radiation
D.
nuclear
10. A student placed an egg in a container of vinegar.
Bubbles formed on the shell of the egg, and after three days, the shell was gone. Which observation made by
the student indicated a chemical change took place?
A.
The bubbles were produced as the shell reacted with the acid.
B.
The vinegar solution remained clear.
C.
The temperature of the vinegar remained the same.
D.
The shape of the egg remained oval.
11.
Which is a physical change involving an egg?
A.
frying an egg
B.
boiling an egg C.
breaking an egg 12.
Which example best describes a chemical change?
A.
wax melting
B.
an apple turning brown
C.
a piece of paper being cut into small pieces
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13.
What change occurs to liquid water at 0°C?
A.
It reaches its boiling point and becomes a gas.
B.
It reaches its boiling point and becomes a solid.
C.
It reaches its freezing point and becomes a gas.
D.
It reaches its freezing point and becomes a solid.
14. Physical and chemical properties can be used to classify substances. Which of these shows a chemical
property?
A.
Silver melts.
B.
Magnesium burns.
C.
Sulfur is a yellow solid.
D.
Aluminum conducts heat.
15.
Which is an example of a physical change?
A.
ice melting into water
B.
fire burning a sheet of paper
C.
a nail rusting after being outside
D.
a penny turning green when placed in chemicals
16.
Which example best describes a physical change?
A.
iron rusting
B.
charcoal burning
C.
an ice cube melting
D.
a marshmallow burning
17.
Which is an example of a chemical change?
A.
melting ice to make water
B.
baking cake batter to make a cake
C.
putting cheese on bread to make a cheese sandwich
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18.
Which change would result in a new substance being formed?
A.
sugar dissolving in water
B.
a glass bottle breaking
C.
ice melting in a bowl
D.
a metal can rusting
19.
Which example best describes a physical change?
A.
baking a pie
B.
burning a candle C.
making a paper airplane
20.
What changes occur when an ice cube is heated to a temperature above
100°C?
A.
The ice cube will change from a liquid to a solid.
B.
The ice cube will change from a gas to a liquid.
C.
The ice cube will change from a solid to a liquid to a gas.
D.
The ice cube will change from a solid to a liquid and then back to a
solid.
21. Students took some ice cubes out of the freezer at 1:00 p.m. An hour later, they observed how the ice cubes
had changed.
The change is best described as
A.
chemical because a liquid formed.
B.
physical because it happened over time.
C.
physical because no new substance was formed.
D.
chemical because heat caused the change.
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22.
When water freezes, a physical change has occurred. Which is most likely
a property of the material formed by this physical change?
A.
It will never be a liquid again.
B.
It will be in the form of a gas.
C.
It can be changed back into its original form.
D.
It can take the form of any container it is put in.
23.
Which statement best describes why baking a cake is an example of a
chemical change?
A.
The process takes place in an oven.
B.
The process requires heat energy.
C.
The process cannot be reversed.
D.
The process can be repeated.
24.
Which best describes what happens when water condenses on a glass?
A.
A physical change occurs, because the water changes form.
B.
A physical change occurs, because the water changes color.
C.
A chemical change occurs, because the water gives off light.
D.
A chemical change occurs, because the water forms a new substance.
25.
Which best describes a chemical change in paper?
A.
filing paper
B.
mailing paper
C.
burning paper
D.
cutting paper in half
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26.
Which best describes an activity that results in a new material being
formed?
A.
plowing a field
B.
ironing a shirt
C.
burning wood
27. Which describes a chemical change?
A.
sugar dissolving in tea
B.
sunshine warming a sidewalk
C.
scissors cutting paper into pieces
D.
acid in the stomach digesting food
28.
Which change is most likely to produce a new substance?
A.
a piece of paper burning
B.
sugar dissolving into water
C.
glass breaking into many pieces
D.
water boiling and creating steam
29. Kim lost her hammer outside. When she found it a few months later, some parts of the metal were covered
with flaky, brown rust. Which type of change occurred when rust formed on the hammer?
A.
chemical
B.
electrical
C.
thermal
D.
physical
30.
Which statement best describes the change that occurs when a piece of
wood is burned?
A.
Burning wood is a physical change because the wood changes form.
B.
Burning wood is a chemical change because the wood changes color.
C.
Burning wood is a physical change because the process may be
reversed.
D.
Burning wood is a chemical change because the process cannot be
reversed.
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31.
Ruth left a wax candle in her car for several hours on a warm day. Which describes the change in the candle Ruth most likely observed?
A.
The candle changed its shape.
B.
The mass of the candle wax increased.
C.
The mass of the candle wax decreased.
D.
The candle changed into a new substance.
32. Over time, iron becomes rust when it combines with water and oxygen. Which type of change must occur for
rust to form?
A.
chemical
B.
mechanical
C.
nuclear
D.
physical
33.
Which best explains why melting ice is a physical change instead of a
chemical change?
A.
It does not smell bad.
B.
It changes from a solid to a liquid.
C.
It does not form a new substance.
D.
It changes quietly with no loud sound.
34.
Brad accidentally left his crayon box in the car on a hot day. Which best
explains what happened to his crayons?
A.
crayons melted; changed from solid to liquid B.
crayons melted; changed from liquid to solid
C.
crayons evaporated; changed from liquid to solid
35. Which example shows a new substance being formed?
A.
a candle burning
B.
a shoelace being tied
C.
a pipe being cut in half
D.
a block of ice melting
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36.
Susan is completing an experiment in science. She mixes 1 cup of hot
water with 2 cups of salt. What will most likely happen to the
substances?
A.
The substances will blend and their properties will be changed.
B.
The substances will not blend and their properties will be changed.
C.
The substances blend and form another liquid that appears as a
solid.
D.
The substances will not blend and their properties will be the
same as the individual substances.
37.
Jamie is observing an ice cube in a bowl. Which statement describes the
change that Jamie will most likely observe?
A.
Jamie will observe a liquid changing into a solid.
B.
Jamie will observe a solid changing into a liquid.
C.
Jamie will observe a liquid changing into a gas.
D.
Jamie will observe a solid changing into a gas.
38.
Which would most likely result in change in the state of matter?
A.
baking a cake
B.
boiling water
C.
lighting a match
D.
rusting bike chain
39.
Which is the best example of a physical change?
A.
ice melting
B.
paper burning
C.
fireworks exploding
D.
leaves changing color
Science EOG
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40.
Stanley left an ice cube on his kitchen counter. An hour later, Stanley
observed that the ice cube melted. Which statement best describes this
change?
A.
Ice melting is a physical change because a new substance is created.
B.
Ice melting is a chemical change because a new substance is
created.
C.
Ice melting is a chemical change because it may be reversed.
D.
Ice melting is a physical change because it may be reversed.
41. Mrs. Garza’s class mixed some materials. They made a table of the materials and the products after the
materials combined.
Reaction Investigation
Material 1
Material 2 Product flour flour absorbs water
flour is thick and forms clumps salt salt dissolves in water
water turns cloudy Water
(clear liquid) Iodine
(yellow liquid) flour flour turns a deep blue color salt salt becomes yellow like liquid Based on the table, which materials mixed to form a new substance?
A.
water and flour
B.
water and salt
C.
iodine and flour
D.
iodine and salt
42.
A glass of salt water is put on a windowsill. After several days the water
has disappeared, and there is only a film of white crystals left in the
bottom. Which best explains what has happened?
A.
The salt caused the water to dry up.
B.
The water evaporated and left the salt behind.
C.
The water and the salt evaporated and left a film behind.
43. Which action causes a chemical change?
A.
leaves dropping from a tree
B.
leaves blowing in the wind
C.
leaves being burned in a fire
D.
leaves being crushed into pieces
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44.
Nick and Allison are conducting experiments in science class. In which
experiment will the students most likely observe a new material being
formed?
A.
melting ice in containers at different temperatures
B.
dissolving different amounts of salt into water
C.
boiling the same amount of different liquids
D.
burning different types of paper
45.
Luther is observing an ice cube melting in a cup. Which statement best
compares the properties of an ice cube and the water that results from
the ice cube melting?
A.
The ice cube and water are made of different substances.
B.
The ice cube and water are made of the same substance.
C.
The ice cube and water have the same temperature.
D.
The ice cube and water have the same shape.
46.
Which is an example of a change that will produce a new substance?
A.
A piece of wood is burned and turns to ash.
B.
A glass jar breaks into smaller shards of glass.
C.
A puddle of water evaporates into water vapor.
D.
A piece of paper gets wet and is shredded apart.
47.
When coffee is poured into a cup of ice, the ice begins to melt and mix
with the coffee. Which statement best describes this change?
A.
The ice melting is a chemical change because the water changes
form.
B.
The ice melting is a physical change because the water may be
frozen again.
C.
The water and coffee mixing is a chemical change because the liquids
change color.
D.
The water and coffee mixing is a physical change because the
mixture forms bubbles.
Science EOG
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48.
Examine the diagram below.
What would a teacher most likely use this image to explain?
A.
Heat being added and taken away is causing physical changes in
water.
B.
Air being added and taken away is causing physical changes in water.
C.
Heat being added and taken away is causing chemical changes in
water.
D.
Air being added and taken away is causing chemical changes in
water.
49.
Water is boiled and water vapor forms. Which best describes this
process?
A.
A chemical change occurs because a completely new substance forms.
B.
A chemical change occurs because the temperature of the water
changes.
C.
A physical change occurs because the water disappears as it is
absorbed by air.
D.
A physical change occurs because water and vapor are different
states of the same substance.
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50. A type of cold pack has two separate sections inside. One section contains a liquid and the other section
contains a powder. When the cold pack is squeezed, the section that holds the liquid breaks. When the liquid
combines with the powder, the pack becomes very cold.
Which is the best explanation why the temperature of the pack decreases when the liquid and powder
combine?
A.
A mixture forms.
B.
A solution forms.
C.
A chemical change occurs.
D.
Thermal energy is used.
51.
Which best describes the change that occurs when heat is added to ice
cream?
A.
A chemical change occurs as the ice cream becomes whiter.
B.
A physical change occurs as the ice cream becomes sweeter.
C.
A physical change occurs as the ice cream melts into a liquid.
D.
A chemical change occurs as the ice cream freezes into a liquid.
52.
Which best explains why burning wood is a chemical change?
A.
The process occurs quickly.
B.
The process can be reversed.
C.
The process can be repeated.
D.
The process creates a new substance.
53. Which of the following is a chemical change?
A.
frying an egg
B.
boiling water
C.
breaking a glass cup
D.
crushing a piece of bread
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54.
Anna is doing a science experiment. She mixes 1 cup of hot water with 2
cups of salt. What will most likely happen to the substances?
A.
The water and salt will blend, and their properties will be changed. B.
The water and salt will blend, but their properties will be unchanged. C.
The water and salt will not blend, but their properties will be
changed.
55. Sodium bicarbonate
is commonly known as baking soda. Sodium bicarbonate is a white solid
that can dissolve in water. Under the proper conditions, sodium bicarbonate can release carbon dioxide
gas. Which of the following is not a physical property of sodium bicarbonate?
A.
It is white.
B.
It is a solid.
C.
It can dissolve in water.
D.
It releases carbon dioxide.
56. One type of cold remedy is an effervescent tablet that breaks down in water. When the tablet is placed in
water, it forms gas bubbles. In this example, the formation of a gas
A.
is a physical property.
B.
occurs when adding water to acid.
C.
is sign of a chemical change.
D.
occurs when the water boils.
57.
Which best describes why deflating the air from a basketball is an
example of a physical change?
A.
The basketball’s shape is changed. B.
The basketball’s color is changed. C.
The basketball’s size is changed.
58.
Ramano is burning wood in a bonfire. What change is occurring during the
fire?
A.
The wood is gaining more mass.
B.
The wood is changing into a liquid.
C.
The wood is dissolving into the ground.
D.
The wood is releasing a gas as smoke.
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59.
Jennifer left her bike outside, buried in snow. In the spring, when the
snow melted, she found her bike covered in rust. Which best describes
the change to the bike?
A.
It was a chemical change, because the bike was a different color.
B.
It was a chemical change, because the rubber tires were deflated.
C.
It was a chemical change, because rust can be removed from the
metal.
D.
It was a chemical change, because rust is a new substance on the
metal.
60.
Gloria’s family built a wood fire in the fireplace. The next day, Gloria
noticed that there was no wood left in the fireplace, only ashes. Which
best explains this?
A.
Wood is separated from ashes as it burns.
B.
Wood becomes a new substance as it burns.
C.
Ashes have the same properties as wood.
D.
Ashes are the same substance as wood.
61.
In which can the original substances involved in the change most likely
be recovered?
A.
a piece of iron rusting
B.
a pan of cookies baking
C.
a piece of wood burning
D.
a container of juice freezing
62.
What best explains the physical change of liquid water to ice?
A.
The liquid water was frozen.
B.
The liquid water was heated.
C.
The liquid water was melted.
D.
The liquid water was condensed.
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63.
A family goes camping and creates a fire to roast marshmallows. The next
morning, the kids notice that the logs are no longer there, and all that
remains are ashes. Which best explains why the ashes from a log are
evidence of a chemical change?
A.
The color of the wood changed from brown to gray. B.
The wood breaks down into smaller matter when burned.
C.
The ashes cannot be put back together to create a log again. D.
Something was added to the log, and it cannot be removed. 64. Which of the following is an example of a chemical change?
A.
clouds forming
B.
sugar dissolving
C.
water freezing
D.
a candle burning
65.
Which will most likely result in a new substance being formed?
A.
boiling water
B.
cutting paper
C.
lighting a match
D.
mixing water and clay
66.
Which best explains what happens to the inside of an egg when it is
boiled?
A.
The liquid becomes solid.
B.
The solid becomes a gas.
C.
The solid becomes a liquid. D.
The liquid becomes a gas.
67. Which property of sugar remains after sugar is dissolved in water?
A.
color
B.
taste
C.
shape
D.
texture
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68.
Which best explains why boiling water is an example of a physical
change?
A.
The heat causes steam.
B.
Heat is added, causing evaporation.
C.
Heating the water causes solids to form.
D.
The water changes from a liquid to a gas.
69. What happens to sugar when it is mixed with water and then heated to make syrup?
A.
It melts.
B.
It dissolves.
C.
It evaporates.
D.
It condenses.
70.
Tonya observes a mixture of two clear liquids in a container to see if a
chemical change occurs. Which observation demonstrates the mixture is
undergoing a chemical change?
A.
The mixture remains at a constant temperature.
B.
A gas forms after the liquids are mixed.
C.
One liquid floats on top of the other.
D.
The mixture does not change color.
71.
A piece of wood is sawed into several small pieces. This is an example of
what kind of change?
A.
physical
B.
chemical
C.
electrical
D.
mechanical
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72. A gardener noticed that the gate to the garden was rusting and the water in the garden fountain had
evaporated. Identify the type of change, either physical or chemical, for each event and explain why each
change occurred.
Event: gate rusts
Change:
Explain: Event: water evaporates
Change: Explain: 73. What happens to colored sugar when it is added to water?
A.
The color disappears as the sugar dissolves.
B.
The coloring prevents the sugar from dissolving.
C.
The water becomes colored as the sugar evaporates into the air.
D.
The water becomes colored as the sugar dissolves into the water.
74.
Which is the best example of a change that can be undone?
A.
clay put in an oven to harden
B.
cake batter put in an oven to bake
C.
chocolate left in a warm car to melt
75. Which of these is an example of a new substance being formed?
A.
a nail rusting
B.
a wall being painted
C.
water changing to steam
D.
paper being folded
76.
Which is an example of a chemical change?
A.
baking a cake
B.
freezing water
C.
crushing a can
D.
breaking an egg
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