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WorksheetsGeology, Minerals, Rocks Unit Exam
Total questions: 19
Worksheet time: 36mins
What is the approximate age of the Earth?
4.6 Billion Years
100 years
500 Million years
2.5 Trillion Years
Geologic Time is broken down into smaller parts called eons, ____, periods, and epochs.
eras
decades
lightyears
points
What are the two types of dating scientists use for rocks?
Absolute
Relative
Geologic
Layer
Place the examples in the correct category.
Mr. Prior is older than Ms. Bass
Rock B is younger than Rock A
The Super Nintendo is older than the Switch
The Super Nintendo is 33 years old.
My dog is 8 years old.
My dog is older than my cat
The bicycle is 3 years old.
This rock is 415 million years old.
Put the Letters in order from OLDEST to YOUNGEST.
(1 is the oldest, 4 is the youngest.)
N
A
T
S
When particles of an element become unstable and release energy in the form of radiation, that element is said to be:
Radioactive
Relative
On Fire
Convection
Which of the logs have experienced 2 half-lifes?
The half-life for a radioactive particle is 2,500 years. How old is an object that only has 50% of that particle remaining?
1,250 years
2,500 years
5,000 years
10,000 years
Match the property to the correct description
The color of the powder the mineral leaves behind. MIGHT BE different than mineral color!
Color
When a mineral breaks unevenly
Streak
Description of how light reflects from a mineral's surface.
Luster
When a mineral breaks with a clean and even edge.
Cleavage
The actual color of the mineral. Very unreliable since many minerals can have the same color.
Fracture
Which mineral can be scratched by feldspar but not scratched by fluorite?
Quartz
Calcite
Feldspar
Apatite
How many things must be true for something to be considered a mineral?
2
5
7
8
(a) is a type of rock that is formed when magma or lava cools down.
(a) is formed by heat and pressure.
(a) is made from smaller pieces of rock called sediments.
Put the following steps in order for how Sedimentary Rocks are formed.
Weathering
Erosion
Deposition
Compaction
Cementation
Put the following characteristics in the correct category.
Magma
Cools Slowly
Large Crystals
Lava
Cools Quickly
Small/No crystals
Above the surface
Below the surface
Match the following
Only type that can contain fossils
Intrusive Igneous
Formed above the Earth's surface
Extrusive Igneous
Formed through heat and pressure
Sedimentary
Formed below the Earth's surface
Metamorphic
Which rock(s) in the picture are metamorphic?
Which rock(s) in the picture are igneous?
