NEW
Font size
S
M
L
XL
WorksheetsUnit 3 Minerals, Rocks, & Fossils
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Which of the following is true about fossils?
a)
Fossils found in lower layers of rock are older than fossils found in upper layers of rock.
b)
Fossils found in upper layers of rock are older than fossils found in lower layers.
c)
The relative age of fossils cannot be determined from their position in rock layers
d)
Fossil found in lower layers are as old as fossil in the upper layers
2.
Dr Thakkar was studying a fossil from a dig in a desert when he noticed that the organism had evidence of fins. What would the most likely tell Dr Thakkar?
a)
Sea animals used to live in deserts
b)
Nothing; every fossilized organism has fins
c)
the desert was once covered by water
d)
the organism grew legs when it wanted to leave the ocean
3.
Which rock type can be formed by adding heat and pressure to any of the three types of rocks?
a)
Igneous
b)
Metamorphic
c)
no rock type forms this way
d)
sedimentary
4.
Which type of rock is created when lava cools and hardens?
a)
sedimentary
b)
cement
c)
metamorphic
d)
igneous
5.
Scientist decided that age of different rock layers by the things that they uncover in the rock. Which of the items below could scientist use to date a rock layers?
a)
an insect flying near the dig site
b)
a green leaf that fell from a tree
c)
a fossilized fish
d)
a raindrop on the rock
6.
Granite is a type of igneous rock. What determines the size of the crystals that form in a sample of granite?
a)
how large the sample is
b)
how much impurities are in the granite
c)
how quickly the rock cooled
d)
how many times those minerals have been in granite before
7.
Which type of physical processes below the results in the formation of metamorphic rocks?
a)
weathering & erosion
b)
Cooling & Crystalization
c)
heat & pressure
d)
deposition & eruption
8.
Which of the following parts of an organism is most likely to become fossilized?
a)
lung
b)
heart
c)
skin
d)
tooth
9.
what can scientist learn by studying fossils?
a)
how the Earth's surface & climate has changed over time
b)
the appearance of an organism and its structure
c)
How the species has changed over time
d)
All of these
10.
Which is the following is the raw materials from the sedimentary rocks are formed?
a)
lava from volcanic eruptions
b)
weathered remains of other rocks
c)
none of these
d)
magma from the mantle
11.
__________ rock can be changed directly into ______________ rock with the application of heat and pressure.
a)
sedimentary; igenous
b)
metamorphic; sedimentary
c)
igneous; sedimentary
d)
sedimentary; metamorphic
12.
closest to the surface = short, straight teeth
below the surface = long, straight teeth
Today's organism would most like be........
below the surface = long, straight teeth
Today's organism would most like be........
a)
no teeth
b)
long, curved teeth
c)
long, straight teeth
d)
short, straight teetn
13.
By studying fossils, scientist have learned that
a)
both plants and animals have changed
b)
animals have changed; not plants
c)
neither plants nor animal have changed
d)
plants have changed; not animals
14.
Fossils are most commonly found in _________ rock.
a)
Sedimentary
b)
Igenous
c)
Metamorphic
d)
Paleolithic
15.
Which of the following fossils discoveries best demonstrates a change in the Earth's climate? Scientist find or discover......
a)
a large amount of tropical plants and animals in desert
b)
an area that contains a varity of plant fossils, but no plant fossils
c)
a large amount of fossils of marine life near the shore
d)
fossil of straight teeth buried below fossils of curved teeth
16.
You are trying to determine whether a sample is a mineral. Which of these characteristic might mean the sample is a mineral?
a)
It''s a living thing
b)
It exist in a liquid state
c)
natural substance
d)
varying chemical makeup
17.
Which question is the least useful to ask if you want to identify a mineral?
a)
Color
b)
Streak
c)
Hardness
d)
Special properties
18.
The way a mineral reflects light is called its......
a)
Texture
b)
Cleavage
c)
Luster
d)
Streak
19.
Which is the hardest mineral on the Mohs scale?
a)
Talc
b)
Fluorite
c)
Quartz
d)
Diamonds
20.
The way a mineral breaks along a flat surface is called........
a)
Luster
b)
Streak
c)
Fracture
d)
Cleavage
Reset
