Rock Classification Gizmo
Authored by Chelsea Times-Marshall
Science
7th Grade
NGSS covered
Used 94+ times
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About
This quiz focuses on rock classification and the rock cycle, specifically targeting the three main types of rocks: igneous, sedimentary, and metamorphic. Designed for 7th grade Earth science students, the assessment evaluates students' understanding of how different rock types form under specific conditions and their distinguishing characteristics. Students need to grasp the fundamental processes behind rock formation, including the role of temperature and pressure in metamorphic rock creation, the cooling process that creates igneous rocks, and the layering and fossil preservation typical of sedimentary rocks. The quiz also tests students' ability to differentiate between intrusive and extrusive igneous rocks based on crystal size, understand the sequential nature of volcanic rock formation, and apply scientific vocabulary in context. Students must demonstrate both factual knowledge of rock properties and analytical skills to connect environmental conditions with rock type formation. Created by Chelsea Times-Marshall, a Science teacher in the US who teaches grade 7. This assessment serves as an excellent tool for formative assessment during a unit on Earth materials and geological processes, allowing teachers to gauge student comprehension of fundamental geology concepts before moving to more complex topics like the complete rock cycle. The quiz works effectively as a review activity following hands-on rock identification labs or as homework to reinforce classroom learning about geological processes. Teachers can use this assessment as a warm-up to activate prior knowledge before introducing weathering and erosion concepts, or as practice before summative testing. The questions align with NGSS standard 2-ESS1-1 (Earth's materials) and support the development of scientific thinking skills outlined in MS-ESS2-1, which focuses on geoscience processes that change Earth's surface over time.
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you examine a rock sample and observe fossils in it, what type of rock does the sample represent?
Igneous
Metamorphic
Sedimentary
Fossils are found in several of the types listed above.
Tags
NGSS.MS-LS4-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a sample of igneous rock?
Sample A
Sample B
Sample C
Sample D
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The location marked by the black rectangle is characterized by high temperature and pressure. What rock type would most likely be formed in this location?
Igneous
Metamorphic
Sedimentary
None of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The location marked by the black rectangle is characterized by high temperature and pressure. What rock type would most likely be formed in this location?
Location A
Location B
Location C
Location D
Tags
NGSS.MS-ESS2-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of rock is this?
Igneous
Sedimentary
Metamorphic
Sand
Tags
NGSS.MS-ESS1-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do extrusive igneous rocks differ from intrusive igneous rocks?
Extrusive rocks are larger in size
intrusive rocks break down quicker
Extrusive rocks are arranged in layers
Intrusive rocks have larger crystals
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which force plays a major role in the formation of metamorphic rock?
acceleration
friction
gravity
pressure
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