Physical Boot Camp
5.5B
Identify the boiling and
freezing/melting points of water on the
Celsius scale.
STAAR 2013 #14; RC 1; Supporting; 47
1. A student measures the temperature of
water being heated on a hot plate. The student
observes that the temperature of the water is
53ºC. How many more degrees Celsius must
the temperature rise before it reaches the
boiling temperature of water?
STAAR 2013 #14; RC 1; Supporting; 47
1. A student measures the temperature of
water being heated on a hot plate. The student
observes that the temperature of the water is
53ºC. How many more degrees Celsius must
the temperature rise before it reaches the
boiling temperature of water?
Boiling point of water: 100ºC
So…..100 – 53 =
47
2.
2.
2004—#32 (70%)
3. When a chocolate bar is heated by the sun,
all of the following are likely to be seen
EXCEPT—
F
G
H
J
boiling
melting
a liquid
a change in shape
2004—#32 (70%)
3. When a chocolate bar is heated by the sun,
all of the following are likely to be seen
EXCEPT—
F
G
H
J
boiling
melting
a liquid
a change in shape
2006—#9 (72%)
4. Some students were studying properties of
water. One student placed a cup containing 80 mL
of water in a freezer. Another student placed an
identical cup containing 40 mL of water in a
different freezer. Which of the following will be
the same for both cups of water?
A
B
C
D
The temperature at which the water freezes
The mass of the frozen water
The time it takes the water to freeze
The volume of the frozen water
2006—#9 (72%)
4. Some students were studying properties of
water. One student placed a cup containing 80 mL
of water in a freezer. Another student placed an
identical cup containing 40 mL of water in a
different freezer. Which of the following will be
the same for both cups of water?
A
B
C
D
The temperature at which the water freezes
The mass of the frozen water
The time it takes the water to freeze
The volume of the frozen water
2009—#29 (84%)
5. Which two properties of a crayon will stay
about the same after the crayon is melted?
A
B
C
D
Shape and physical state
Temperature and hardness
Color and mass
Thickness and texture
2009—#29 (84%)
5. Which two properties of a crayon will stay
about the same after the crayon is melted?
A
B
C
D
Shape and physical state
Temperature and hardness
Color and mass
Thickness and texture
6.
6.
7. What is the approximate melting point of
ice?
A
B
C
D
0ºC
32ºC
45ºC
100ºC
7. What is the approximate melting point of
ice?
A
B
C
D
0ºC
32ºC
45ºC
100ºC
8. What is the approximate boiling point of
water at sea level?
A
B
C
D
35ºC
55ºC
85ºC
100ºC
8. What is the approximate boiling point of
water at sea level?
A
B
C
D
35ºC
55ºC
85ºC
100ºC
9.
9.
10. If the temperature of a sample of pure
water is below 0°C, then the water is most
likely –
A
B
C
D
frozen
a liquid
a gas
warm
10. If the temperature of a sample of pure
water is below 0°C, then the water is most
likely –
A
B
C
D
frozen
a liquid
a gas
warm
11. Ice melts because it has reached its –
A
B
C
D
magnetism point
melting point
boiling point
freezing point
11. Ice melts because it has reached its –
A
B
C
D
magnetism point
melting point
boiling point
freezing point
12.
12.
13.
13.
14. A student left a chocolate bar on the window sill on a
sunny day. Which of the following would cause the
chocolate to melt?
A Electric energy passes through the chocolate and changes
its form.
B Different types of matter in the chocolate separate and
change form.
C The refraction of the light coming through the window
changes its form.
D Heat from sunlight causes the chocolate to reach its
melting point.
14. A student left a chocolate bar on the window sill on a
sunny day. Which of the following would cause the
chocolate to melt?
A Electric energy passes through the chocolate and changes
its form.
B Different types of matter in the chocolate separate and
change form.
C The refraction of the light coming through the window
changes its form.
D Heat from sunlight causes the chocolate to reach its
melting point.
15. Some students filled a teakettle with water and put it
on a hot plate. They heated it until there was nothing left
in the teakettle. What happened to the water in the
teakettle?
A
B
C
D
The particles in the water melted from the heat.
The hot metal in the teakettle dissolved the water.
The water reached its boiling point and evaporated.
The very hot air inside the kettle dried out the water.
15. Some students filled a teakettle with water and put it
on a hot plate. They heated it until there was nothing left
in the teakettle. What happened to the water in the
teakettle?
A
B
C
D
The particles in the water melted from the heat.
The hot metal in the teakettle dissolved the water.
The water reached its boiling point and evaporated.
The very hot air inside the kettle dried out the water.
16. Ice changes to liquid water when it
reaches its –
A
B
C
D
magnetism point
melting point
boiling point
freezing point
16. Ice changes to liquid water when it
reaches its –
A
B
C
D
magnetism point
melting point
boiling point
freezing point
17. What is the boiling point of water on the
Celsius scale?
A
B
C
D
0°C
100°C
212°C
1,535°C
17. What is the boiling point of water on the
Celsius scale?
A
B
C
D
0°C
100°C
212°C
1,535°C
18. If the temperature of a sample of water
is above 100°C, then the water is most likely
–
A
B
C
D
frozen
a liquid
a gas
warm
18. If the temperature of a sample of water
is above 100°C, then the water is most likely
–
A
B
C
D
frozen
a liquid
a gas
warm
19. According to the passage, which of the
following has the higher melting point?
A
B
C
D
Ice at 0°C
Water at 100°C
Iron at 1,535°C
Tin at 2,270°C
19. According to the passage, which of the
following has the higher melting point?
A
B
C
D
Ice at 0°C
Water at 100°C
Iron at 1,535°C
Tin at 2,270°C
20.
20.
21. A student adds 50 mL of boiling water to
100 mL of ice water. If the 150 mL of water
is then put into a freezer, at what
temperature will the water freeze?
A
B
C
D
0°C
15°C
37°C
50°C
21. A student adds 50 mL of boiling water to
100 mL of ice water. If the 150 mL of water
is then put into a freezer, at what
temperature will the water freeze?
A
B
C
D
0°C
15°C
37°C
50°C
22. At which temperature does ice begin to
melt?
A
B
C
D
-10°C
0°C
10°C
100°C
22. At which temperature does ice begin to
melt?
A
B
C
D
-10°C
0°C
10°C
100°C
23.
23.
24. Which of the following is a characteristic
property that could be used to identify a
substance as water?
A
B
C
D
Water is always a liquid.
Organisms need water to live.
Things dissolve in water.
Water boils at about 100ºC.
24. Which of the following is a characteristic
property that could be used to identify a
substance as water?
A
B
C
D
Water is always a liquid.
Organisms need water to live.
Things dissolve in water.
Water boils at about 100ºC.
25.
25.
26. The process where a solid changes to a
liquid is called—
A
B
C
D
melting
evaporating
freezing
condensing
26. The process where a solid changes to a
liquid is called—
A
B
C
D
melting
evaporating
freezing
condensing
27. The picture shows a pan of boiling
water. What process is taking place as the
water boils?
A
B
C
D
A gas changing to a liquid
A gas changing to a solid
A solid changing to a gas
A liquid changing to a gas
27. The picture shows a pan of boiling
water. What process is taking place as the
water boils?
A
B
C
D
A gas changing to a liquid
A gas changing to a solid
A solid changing to a gas
A liquid changing to a gas
28.
28.
M.S. ?’s
29. What unit of measurement is used when
recording the temperature of boiling water?
A
B
C
D
milliliter
degrees Celsius
gram
millimeter
M.S. ?’s
29. What unit of measurement is used when
recording the temperature of boiling water?
A
B
C
D
milliliter
degrees Celsius
gram
millimeter
30. A glass beaker is placed on a hot plate.
Five hundred milliliters of room
temperature water are added to the beaker.
If the temperature continues to increase,
the water in the beaker will most likely—
A
B
C
D
turn into a solid
become more dense
turn into a gas
show no change in temperature
30. A glass beaker is placed on a hot plate.
Five hundred milliliters of room
temperature water are added to the beaker.
If the temperature continues to increase,
the water in the beaker will most likely—
A
B
C
D
turn into a solid
become more dense
turn into a gas
show no change in temperature
31. Each of the following hypotheses explain
freezing point EXCEPT—
A a liquid changing into a solid
B the temperature reaching 100º Celsius
C liquid precipitation turning into freezing
rain
D the temperature reaching 0º Celsius
31. Each of the following hypotheses explain
freezing point EXCEPT—
A a liquid changing into a solid
B the temperature reaching 100º Celsius
C liquid precipitation turning into freezing
rain
D the temperature reaching 0º Celsius
32. An ice cube was placed in a plastic cup
on the lab table. Students recorded the
mass of the ice cube and the plastic cup at 5
grams. One hour later the ice cube
completely melted, turning into liquid
water. Then the students recorded the mass
of the water and the cup. What was the
mass of the water and the plastic cup?
32. An ice cube was placed in a plastic cup
on the lab table. Students recorded the
mass of the ice cube and the plastic cup at 5
grams. One hour later the ice cube
completely melted, turning into liquid
water. Then the students recorded the mass
of the water and the cup. What was the
mass of the water and the plastic cup?
5 grams
33. Water changes its state of matter when
heat is added or taken away. When water
reaches its boiling point the particles—
A
B
C
D
are closer together
stay the same
are moving more rapidly
are moving more slowly
34. Water changes its state of matter when
heat is added or taken away. When water
reaches its boiling point the particles—
A
B
C
D
are closer together
stay the same
are moving more rapidly
are moving more slowly
34. Which of the following is an example of
water reaching its melting point?
A A cup of water sitting outside on a sunny
day
B Water simmering on a hot stovetop
C An ice cube left on the counter
D A cup of water placed in the refrigerator
34. Which of the following is an example of
water reaching its melting point?
A A cup of water sitting outside on a sunny
day
B Water simmering on a hot stovetop
C An ice cube left on the counter
D A cup of water placed in the refrigerator
35. 0ºC is water’s…
A
B
C
D
freezing point
melting point
boiling point
both freezing point and melting point
35. 0ºC is water’s…
A
B
C
D
freezing point
melting point
boiling point
both freezing point and melting point
36. Students completed this chart during an experiment.
They heated water to find the boiling point:
Time it Takes for Water to Change State
Beginning
temp
After 1
minute
After 3
minutes
After 4
minutes
After 5
minutes
20ºC
42ºC
87ºC
100ºC
100ºC
According to this chart, when did the water begin to boil?
A
B
C
D
After 1 minute
After 5 minutes
After 4 minutes
After 3 minutes
36. Students completed this chart during an experiment.
They heated water to find the boiling point:
Time it Takes for Water to Change State
Beginning
temp
After 1
minute
After 3
minutes
After 4
minutes
After 5
minutes
20ºC
42ºC
87ºC
100ºC
100ºC
According to this chart, when did the water begin to boil?
A
B
C
D
After 1 minute
After 5 minutes
After 4 minutes
After 3 minutes
37. The temperature of water in a beaker
measures 87ºC. How many more degrees
must the temperature increase to reach the
boiling point?
A
B
C
D
23ºC
13ºC
212ºC
100ºC
37. The temperature of water in a beaker
measures 87ºC. How many more degrees
must the temperature increase to reach the
boiling point?
A
B
C
D
23ºC
13ºC (100-87=13)
212ºC
100ºC
38. A science class performs a temperature
experiment. Groups measure the
temperatures of items in cups. If the
temperature of the cup of water measures
100ºC, which statement correctly describes
the water?
A
B
C
D
The water is boiling
The water is cool.
The water is freezing.
The water is warm.
38. A science class performs a temperature
experiment. Groups measure the
temperatures of items in cups. If the
temperature of the cup of water measures
100ºC, which statement correctly describes
the water?
A
B
C
D
The water is boiling
The water is cool.
The water is freezing.
The water is warm.
39. Students made ice cream to investigate
matter and its properties. The students
added salt to the ice cream maker so that
the mixture would change from a liquid to a
solid. Which conclusion provides the most
important reason salt was used to make the
ice cream solidify?
A
B
C
D
Salt dissolves in water.
Salt adds flavor to the ice cream.
Salt evaporates in water.
Salt lowers the freezing point of water.
39. Students made ice cream to investigate
matter and its properties. The students
added salt to the ice cream maker so that
the mixture would change from a liquid to a
solid. Which conclusion provides the most
important reason salt was used to make the
ice cream solidify?
A
B
C
D
Salt dissolves in water.
Salt adds flavor to the ice cream.
Salt evaporates in water.
Salt lowers the freezing point of water.
40. Four students were experimenting with the boiling point of
water.
Measuring Boiling Point of Water
Student
Tools Needed
Student A
Thermometer, beaker, timer, goggles, hot plate
Student B
Hot plate, goggles, thermometer, tongs
Student C
Tongs, hot plate, timer, graduated cylinder
Student D
Beaker, pan balance, goggles, thermometer
Which student gathered the correct tools for determining the
boiling point of water?
A
B
C
D
Student A
Student B
Student C
Student D
40. Four students were experimenting with the boiling point of
water.
Measuring Boiling Point of Water
Student
Tools Needed
Student A
Thermometer, beaker, timer, goggles, hot plate
Student B
Hot plate, goggles, thermometer, tongs
Student C
Tongs, hot plate, timer, graduated cylinder
Student D
Beaker, pan balance, goggles, thermometer
Which student gathered the correct tools for determining the
boiling point of water?
A
B
C
D
Student A
Student B
Student C
Student D
41. A student put a cup of water in the
freezer and left it there overnight. The next
morning the student observed that the
water in the cup had changed to ice. Which
of the following statements best concludes
why the water changed to ice?
A
B
C
D
The water gained energy.
The water reached its boiling point.
The volume of the water decreased.
Heat was taken away from the water.
41. A student put a cup of water in the
freezer and left it there overnight. The next
morning the student observed that the
water in the cup had changed to ice. Which
of the following statements best concludes
why the water changed to ice?
A
B
C
D
The water gained energy.
The water reached its boiling point.
The volume of the water decreased.
Heat was taken away from the water.
42. A glass of water is placed in a very cold freezer. Every 5
minutes the temperature of water is measured and
recorded:
Time Elapsed
Temperature
5 minutes
18ºC
10 minutes
12ºC
15 minutes
6ºC
20 minutes
?
If the pattern continues, which statement correctly
describes the water after 20 minutes?
A
B
C
D
The water temp is 2ºC and the water is still liquid
The water temp is 1ºC and the water is still liquid
The water temp is 1ºC and the water is freezing
The water temp is 0ºC and the water is freezing
42. A glass of water is placed in a very cold freezer. Every 5
minutes the temperature of water is measured and
recorded:
Time Elapsed
Temperature
5 minutes
18ºC
10 minutes
12ºC
15 minutes
6ºC
20 minutes
?
If the pattern continues, which statement correctly
describes the water after 20 minutes?
A
B
C
D
The water temp is 2ºC and the water is still liquid
The water temp is 1ºC and the water is still liquid
The water temp is 1ºC and the water is freezing
The water temp is 0ºC and the water is freezing
43. A student is given an unknown liquid to
rest in the laboratory. The student thinks
the liquid is water. Which of the following is
most helpful to determine if the liquid is
water?
A
B
C
D
boiling point of the liquid
color of the liquid
mass of the liquid
volume of liquid
43. A student is given an unknown liquid to
rest in the laboratory. The student thinks
the liquid is water. Which of the following is
most helpful to determine if the liquid is
water?
A
B
C
D
boiling point of the liquid
color of the liquid
mass of the liquid
volume of liquid