Transcript STAAR Practice 21-30

Daily Reinforcers
21-30
5th Grade Science
TEK 5.3B
21. What inference can be made based
on the advertisement to
the right?
A. The toothpaste safely
whitens teeth.
B. The toothpaste kills
bad-breath germs.
C. The toothpaste is made
especially for kids.
D. The toothpaste has a new
mint flavor.
C. The toothpaste is made
especially for kids.
TEK 5.5B & 5.2D
22. Based on the graph, at which
stage is the water evaporating?
120
Z
100
Degress Celsius
Y
80
X
60
40
20
W
0
0
1
2
3
4
5
6
Minutes
A. W
B. X
C. Y
D. Z
7
8
9
10
11
12
D. Z
TEK 4.5B
23. What process is demonstrated
in the diagram below?
A. Evaporation
B. Condensation
C. Precipitation
D. Freezing
B. Condensation
TEK 5.5A
24. Based on the table, what physical
property could be used to separate
the following objects?
Object
State of
Matter
Boiling Point
Volume
Olive Oil
Liquid
300 ˚C
100 ml
Water
Liquid
100 ˚C
100 ml
Alcohol
Liquid
97.2 ˚C
100 ml
Sea Water
Liquid
100.7 ˚C
100 ml
Mercury
Liquid
356.9 ˚C
100 ml
Jet Fuel
Liquid
163 ˚C
100 ml
Glycerin
Liquid
290 ˚C
100 ml
Boiling Point, no other
differences are on the chart.
TEK 5.5A & 5.4A
25. Which of the following thermometers shows water in
a solid state of matter?
A.
B.
C.
D.
B.
TEK 5.2B
26. A student is using three
different laundry detergents, a
shirt with grass stains, three
tubs of cold water, and three
stirring sticks. What question
could the student be trying to
answer?
Which detergent gets stains out
best?
TEK 5.5B & 5.2A
A
B
27. A teacher presents the two beakers
above to her class. She asks the students
to use their scientific skills to identify
which of the above liquids is water. What
could the students do to decide which is
the water without tasting (not a safe
practice in science)?
Evaporate both, see which has
no material left.
TEK 5.2D
Amount of Salt in
water (g)
Amount of Water
(ml)
Boiling point of salt
water (˚C)
0
50
100
10
50
102
21
50
105
28. The chart shows the change in the boiling
point of salt water as more salt is added to the
solution. What can you conclude from the
information in the chart?
A. The boiling point of salt water does not change.
B. Water evaporates more quickly with salt in it.
C. Increasing the salt in the solution increases the boiling point.
D. Salt water boils at the same temperature as water without salt.
C. Increasing the salt in the solution
increases the boiling point.
TEK 5.5B & 5.2A
29. Based on the graph below, what
is happening to water at stage 2?
120
100
Degress Celsius
3
80
4
60
40
2
1
20
0
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
Minutes
The water is melting.
Energy is increasing.
The particles are moving faster.
TEK 5.2G
Jar
Water poured in
(ml)
Water absorbed
(ml)
Water released
(ml)
A
100
57
43
B
100
32
68
C
100
12
88
30. Which graph below best represents the data in the chart above?
Water
Absorbed
A
B
C
B.
100
80
60
40
20
0
Water in ml
Water in ml
A.
100
80
60
40
20
0
Water
Released
Water Absored
A
B
Water
Absorbed
B
Jars
C
Water
Released
D.
Water in ml
Water in ml
100
80
60
40
20
0
A
C
Jars
Jars
C.
Water
Released
100
80
60
40
20
0
Water
Absorbed
A
B
Jars
C
Water
Released
Water in ml
D.
100
80
60
40
20
0
Water
Absorbed
A
B
Jars
C
Water
Released