DISD CA Science 6th Unit 02
2015-16
1.
(6.6A) Shannon
was researching the element silver for her project about atoms. She recorded her notes on index
cards as shown:
Silver is
malleable
Silver has a
brilliant shiny
metallic luster
A
B
Silver reacts with
oxygen
C
Which of the index cards above include information about silver’s physical properties?
A. A
B. B
C. C
D. A and B
2.
A student tests the properties of an element and finds that it is malleable, shiny, and conducts electricity.
Based only on the student’s data, this element is most likely a –
A. magnet.
B. metal.
C. nonmetal.
D. metalloid.
(6.6A)
Use the table below to answer questions 3 and 4:
3.
(6.6A)
Based on the data in the table, which of these elements should be classified as metals?
A. Carbon and sulfur
B. Carbon and iodine
C. Cobalt and iodine
D. Cobalt and silver
4.
(6.6A)
Which of the following statements is supported by evidence in the table?
A. Metals are not attracted to magnets.
B. Metals conduct electricity.
C. Nonmetals are attracted to magnets.
D. Nonmetals are malleable.
5.
Students were given four unknown substances and asked to observe their characteristics.
Their observations are shown in the table below:
(6.6A)
Observation of Unknown Substance
Unknown
Conducts Electricity
Luster
Malleability
1
2
3
No
Yes
No
Dull
Shiny
Shiny
Snaps easily into small pieces
Bends easily
Bends and snaps back to original shape
4
Yes
Dull
Shatters easily
Which of the unknown substances is most likely a metal?
A. 1
B. 2
C. 3
D. 4
6.
(6.2C)
A student puts water in a graduated cylinder and carefully adds two small rocks.
What is the volume of the rocks?
A. 12 mL
B. 5 mL
C. 3 mL
D. 2 mL
7.
8.
(6.3A)
A grape floats on top of corn syrup. This means that …
A. the density of the corn syrup is greater than the density of the grape.
B. the density of the grape and corn syrup are approximately equal.
C. the grape must have less mass than the corn syrup.
D. None of the above is correct.
(6.3A) The
diagram below shows 20 grams of 2 different materials.
Compared to material A, material B has a different …
A. shape
B. density
C. mass
D. phase
9.
When you add a rock to water in a graduated cylinder, the water rises 5 mL.
The mass of the rock is 10 g. What is the rock’s density?
(6.6B)
A.
B.
C.
D.
10.
0.25 g/cm3
0.5 g/cm3
2 g/cm3
3.5 g/cm3
density = mass ÷ volume
(6.6B/6.2E) Five
milliliters of an unknown liquid has a mass of twenty grams. Identify the unknown substance using
the table below.
Substance
Liquid A
Liquid B
Liquid C
Liquid D
A.
B.
C.
D.
11.
12.
Density
0.25 g/mL
4 g/mL
25 g/mL
100 g/mL
Liquid A
Liquid B
Liquid C
Liquid D
(6.6B) Determine
the density of a material that has a mass of 100 grams and a volume of 20 mL. Select the
correctly gridded answer choice.
(6.6C) Using
A.
B.
C.
D.
the hardness scale below, which mineral could be scratched by a copper penny but not by a fingernail?
Diamond
Calcite
Fluorite
Gypsum
13.
(6.6C)
Which physical property is based on the color left behind on a scratch plate?
A. Hardness
B. Density
C. Streak
D. Color
14. (6.6C) Sarah was taking a walk with her friends. She looked down and saw two unknown minerals. When she dragged
them across the sidewalk, she noticed that they produced the same color mark, but one scratched the other. What
conclusion could Sarah draw?
A. Their hardness and streaks are the same.
B. Their hardness is the same, but their streaks are different.
C. Their hardness is different, but their streaks are the same.
D. Their streaks are the same, but their luster is different.
15.
(6.6C)
The table above shows the characteristics of four different mineral samples. Which two samples would be
most difficult to distinguish from each other based on their color, luster, and streak only?
A.
B.
C.
D.
Halite and Quartz
Halite and Gold
Galena and Quartz
Galena and Gold
16. (6.6C) Base your answer to the following question on the
diagram to the right. The diagram shows three minerals with
three different physical tests, A, B, and C, being performed on
them. Determine what type of test is being conducted on each
mineral.
A.
B.
C.
D.
A – cleavage; B – streak; C – hardness
A – cleavage; B – hardness; C – streak
A – streak; B – cleavage; C – hardness
A – streak; B – hardness; C – cleavage