Download 3rd Grade Earth Materials Read and answer each question carefully

3rd Grade Earth Materials
Read and answer each question carefully.
1)
2)
Nicole found a pretty rock in her backyard. She thought it contained the mineral
calcite. What test could she do to show that the rock has calcite in it?
A)
She could peel off shiny, thin, flat layers of calcite with her fingernail.
B)
She could scratch the rock with a paperclip because calcite is so hard.
C)
She could place the rock in vinegar, because calcite will bubble or fizz when
placed in vinegar.
D)
She would see pink, black, and white flecks of color throughout the rock.
Geologists are scientists that study ___________________________
A)
the earth.
B)
statues and buildings.
C)
humans.
D)
students.
___ are the basic building blocks, or ingredients, of rocks.
3)
A)
Minerals
B)
Fossils
C)
Pebbles
D)
Gems
Regional Science Center 1 3rd Grade Earth Materials
4)
5)
6)
7)
Very hard minerals like quartz and marble can be used to _____________
A)
make salt.
B)
make rocks.
C)
make vinegar.
D)
make buildings and statues.
We use vinegar to identify
A)
quartz.
B)
granite.
C)
calcite.
D)
crystals.
Which statement is true?
A)
Minerals can be broken down into smaller parts.
B)
Minerals are never found in rocks.
C)
Rocks are a mixture of different minerals.
D)
Rocks and minerals are the same thing.
Which of these is the best way to tell the hardness of a material?
A)
Check it for bubbles.
B)
Evaporate it into a statue.
C)
Scratch it with a nail.
D)
Shape it into a crystal.
Regional Science Center 2 3rd Grade Earth Materials
8)
9)
How can water help you study a mock rock?
A)
It changes the minerals found in the rock.
B)
It helps separate the different parts of the mock rock.
C)
It breaks down the minerals.
D)
It makes calcite fizz.
Some minerals dissolve in water. After the water evaporates we may see
______________
A)
alum.
B)
crystals.
C)
rocks.
D)
calcite.
Regional Science Center 3 3rd Grade Earth Materials
10)
Aaron found a stone in the park near his home. He wasn’t sure if it was a rock or a
mineral, so he took it home to try some tests. Below are the observations he
wrote in his science notebook.
Which of these observations from Aaron's notebook provides evidence that his
stone is made of more than one mineral?
A)
It has more than one hardness.
B)
It is about the size of his fist.
C)
It is smooth and round.
D)
It fizzes when placed in acid.
Regional Science Center 4 3rd Grade Earth Materials
Use the following information for question 11.
Third grade students performed scratch tests on four minerals and recorded their
results in the table below. They observed that gypsum could be scratched by three
tools: paper clip, penny, and fingernail. However, quartz could not be scratched at
all.
11)
12)
Use the information from the table to help you choose from the list below. Which
minerals are in order from SOFTEST to HARDEST?
A)
gypsum, calcite, quartz, fluorite
B)
quartz, fluorite, calcite, gypsum
C)
gypsum, calcite, fluorite, quartz
D)
calcite, fluorite, gypsum, quartz
Which property of an earth material does a scratch test show?
A)
hardness
B)
crystals
C)
shape
D)
color
Regional Science Center 5 3rd Grade Earth Materials
13)
In the picture below, two rock samples have been placed in vials of vinegar. From
your observation, what does the vinegar test tell you?
Sample 2 has many small bubbles, which shows that the rock has vinegar in
it.
B) Sample 1 has large bubbles, which shows that the rock was left in vinegar
for a long time.
C) Sample 2 has many small bubbles, which shows that the rock contains
calcite.
A)
D)
14)
Sample 1 has large bubbles, which shows that the rock contains calcite.
Which of these properties helps scientists identify minerals in a rock?
A)
crystals
B)
size
C)
shape
D)
hardness
Regional Science Center 6 3rd Grade Earth Materials
15)
16)
17)
Rocks are placed in three groups- igneous, metamorphic, or sedimentaryaccording to
A)
their size.
B)
their color.
C)
how hard they are.
D)
how they are formed.
Metamorphic rocks are formed by
A)
magma cooling.
B)
being buried in mud.
C)
settling/layering.
D)
heat and pressure.
Which type of rocks contain fossils?
A)
sedimentary
B)
metamorphic
C)
igneous
D)
none
Regional Science Center 7 3rd Grade Earth Materials
Use the following information to answer questions 18 and 19.
Brian physically separated a rock by breaking it up. He put the crushed brown
rock into a vial of water and shook it. It sat on the table and formed layers.
Use Brian's observations and notes to answer question 18.
18)
The process that caused the layering is
A)
cooling
B)
settling
C)
heating
D)
pressure
Brian poured the cloudy, brown water from the top of the vial into a flat dish
and let it evaporate. He used evaporation to find out
19)
A) which minerals will evaporate.
B) which rocks were in the water.
C) how fast water evaporates.
D)
which minerals were dissolved in the water.
Regional Science Center 8 3rd Grade Earth Materials
20)
We study fossils because they
A)
are formed by molten magma.
B)
tell us about living things from long ago.
C)
D)
21)
22)
were formed by heat and pressure.
are found in igneous rock.
To compare the hardness of two minerals, you
A)
can scratch one rock on another.
B)
use them in a statue.
C)
put them in vinegar.
D)
dissolve them in water.
Geologists call plants and animals that died millions of years ago and were buried
in layers of sediment
A)
fossils.
B)
crust.
C)
particles.
D)
core.
Regional Science Center 9 3rd Grade Earth Materials
23)
24)
25)
Because this rock is hard and it polishes well, it is often used by people for
buildings and monuments.
A)
mica
B)
calcite
C)
sandstone
D)
granite
Layers of tiny rocks, minerals, shells, plants, and sand that sit at the bottom of the
ocean for millions of years form
A)
sedimentary rock.
B)
metamorphic rock.
C)
igneous rock.
D)
mantle.
What is a mineral?
A)
a rock that cannot be broken down into other minerals
B)
a rock with crystals in it
C)
a rock with granite in it
D)
a rock with calcite in it
Regional Science Center 10