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Oregon Grade 8 Science Online Center
Everything Oregon eighth graders need for OSAS Science, six full-length practice tests, skill quizzes, flashcards, and every Oregon science standard for this grade in one place.
Standards source: Standards and Instruction, Oregon Department of Education.
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Trusted by students across Oregon
Oregon Science by Grade
Every Oregon science center, grade 1 through grade 8.
Start With a Practice Test
Six full, timed science practice tests for Oregon eighth graders, 40 questions each, instant scoring, a breakdown by science area, and a written explanation for every question. Each one opens right here.
Oregon Grade 8 Science Practice Test 1
A full diagnostic across every science area for this grade.
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Oregon Grade 8 Science Practice Test 2
Fresh questions and new phenomena to build accuracy.
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Oregon Grade 8 Science Practice Test 3
New problems that push reading of data, models, and evidence.
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Oregon Grade 8 Science Practice Test 4
Another complete, timed exam to build pacing and stamina.
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Oregon Grade 8 Science Practice Test 5
A brand-new mixed set to test how ready you are.
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Oregon Grade 8 Science Practice Test 6
A final full-length simulation to confirm you are ready.
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Grade 8 Science Skill Quizzes
Pick one science area, answer 10 questions, and see exactly where the idea broke down. Each quiz opens right here.
Matter and Its Properties
A quick 10-question check on matter and its properties, with instant scoring and a full explanation for every answer.
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Forces and Motion
A quick 10-question check on forces and motion, with instant scoring and a full explanation for every answer.
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Energy
A quick 10-question check on energy, with instant scoring and a full explanation for every answer.
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Waves and Information
A quick 10-question check on waves and information, with instant scoring and a full explanation for every answer.
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Cells, Structures and Life Processes
A quick 10-question check on cells, structures and life processes, with instant scoring and a full explanation for every answer.
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Ecosystems and Heredity
A quick 10-question check on ecosystems and heredity, with instant scoring and a full explanation for every answer.
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Evolution, Fossils and Adaptation
A quick 10-question check on evolution, fossils and adaptation, with instant scoring and a full explanation for every answer.
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Earth and Space Systems
A quick 10-question check on earth and space systems, with instant scoring and a full explanation for every answer.
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Earth, Human Activity and Engineering
A quick 10-question check on earth, human activity and engineering, with instant scoring and a full explanation for every answer.
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Grade 8 Science Study Tools
A few minutes of review between practice tests. Both open right here.
Grade 8 Science Flashcards
All 166 terms this grade is expected to know. Search the deck, filter by science area, star the hard ones, and mark off what you have down.
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Grade 8 Science Quick Review
Every must-know idea for this grade on one page, grouped by science area, with the vocabulary for each one.
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Study with a clearer next step
This Oregon grade 8 science center is part of the Effortless Math library. Practice tests, skill quizzes, flashcards, and the state's own standards are connected so a student always has a clear next step instead of a wall of links.
Effortless Math is an independent educational publisher. Test names, state exams, standards names, and trademarks are used only to identify the relevant study topic; their owners do not sponsor, endorse, or approve this page.
Oregon Grade 8 Science Snapshot
Oregon Grade 8 Science Topics
These are the 26 science standards Oregon sets for grade 8, from the Oregon Science Standards, grouped and ordered exactly the way the state's own standards document groups them. Each one is tagged with its official code so you can trace it straight back to the state document.
Oregon standard codes
ESS Earth & Space Science
- 8.ESS1.18.ESS1.28.ESS1.3Sun, Moon, Earth, Stars, and Space Systems
- 8.ESS1.4Earth Materials, Rocks, Fossils, and Landforms
- 8.ESS3.4Natural Resources and Human Impacts
ETS Engineering, Technology, and the Application of Science
- MS.ETS1.1MS.ETS1.2MS.ETS1.3MS.ETS1.4Engineering Design and Solution Evaluation
LS Life Science
- 8.LS3.18.LS4.28.LS4.5Organism Needs, Structures, and Life Cycles
- 8.LS4.1Earth Materials, Rocks, Fossils, and Landforms
- 8.LS4.3Displays Pictorial Data Patterns Similarities Embryological Development Across
- 8.LS4.48.LS4.6Cells, Body Systems, and Genetics
PS Physical Science
- 8.PS2.18.PS2.28.PS2.38.PS2.5Forces, Motion, and Interactions
- 8.PS2.48.PS3.2Gravity and Object Motion
- 8.PS3.1Scientific Tools, Measurement, and Data Displays
- 8.PS4.1Light, Sound, and Wave Behavior
- 8.PS4.2Material Properties and Uses
- 8.PS4.3Integrate Qualitative Scientific Technical Information Claim Digitized Signals
Grouped and ordered from the state's own standards document.
Oregon Grade 8 Science Standards
The full text of every grade 8 science standard in the Oregon Science Standards. If your Oregon classroom or report card mentions a code, you will find it here.
ESS Earth & Space Science
- 8.ESS1.1Sun, Moon, Earth, Stars, and Space SystemsDevelop and use a model of the Earth-sun-moon system to describe the cyclic patterns of lunar phases, eclipses of the sun and moon, and seasons
- 8.ESS1.2Sun, Moon, Earth, Stars, and Space SystemsDevelop and use a model to describe the role of gravity in the motions within galaxies and the solar system
- 8.ESS1.3Sun, Moon, Earth, Stars, and Space SystemsAnalyze and interpret data to determine scale properties of objects in the solar system
- 8.ESS1.4Earth Materials, Rocks, Fossils, and LandformsConstruct a scientific explanation based on evidence from rock strata for how the geologic time scale is used to organize Earth's 4.6-billion-year-old history
- 8.ESS3.4Natural Resources and Human ImpactsConstruct an argument supported by evidence for how increases in human population and per capita consumption of natural resources impact Earth's systems
ETS Engineering, Technology, and the Application of Science
- MS.ETS1.1Engineering Design and Solution EvaluationDefine the criteria and constraints of a design problem with sufficient precision to ensure a successful solution, taking into account relevant scientific principles and potential impacts on people and the natural environment that may limit possible solutions
- MS.ETS1.2Engineering Design and Solution EvaluationEvaluate competing design solutions using a systematic process to determine how well they meet the criteria and constraints of the problem
- MS.ETS1.3Engineering Design and Solution EvaluationAnalyze data from tests to determine similarities and differences among several design solutions to identify the best characteristics of each that can be combined into a new solution to better meet the criteria for success
- MS.ETS1.4Engineering Design and Solution EvaluationDevelop a model to generate data for iterative testing and modification of a proposed object, tool, or process such that an optimal design can be achieved
LS Life Science
- 8.LS3.1Organism Needs, Structures, and Life CyclesDevelop and use a model to describe why structural changes to genes (mutations) located on chromosomes may affect proteins and may result in harmful, beneficial, or neutral effects to the structure and function of the organism
- 8.LS4.1Earth Materials, Rocks, Fossils, and LandformsAnalyze and interpret data for patterns in the fossil record that document the existence, diversity, extinction, and change of life forms throughout the history of life on Earth under the assumption that natural laws operate today as in the past
- 8.LS4.2Organism Needs, Structures, and Life CyclesApply scientific ideas to construct an explanation for the anatomical similarities and differences among modern organisms and between modern and fossil organisms to infer evolutionary relationships
- 8.LS4.3Displays Pictorial Data Patterns Similarities Embryological Development AcrossAnalyze displays of pictorial data to compare patterns of similarities in the embryological development across multiple species to identify relationships not evident in the fully formed anatomy
- 8.LS4.4Cells, Body Systems, and GeneticsConstruct an explanation based on evidence that describes how genetic variations of traits in a population increase some individuals' probability of surviving and reproducing in a specific environment
- 8.LS4.5Organism Needs, Structures, and Life CyclesGather and synthesize information about the technologies that have changed the way humans influence the inheritance of desired traits in organisms
- 8.LS4.6Cells, Body Systems, and GeneticsUse mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time
PS Physical Science
- 8.PS2.1Forces, Motion, and InteractionsApply Newton's Third Law to design a solution to a problem involving the motion of two colliding objects
- 8.PS2.2Forces, Motion, and InteractionsPlan an investigation to provide evidence that the change in an object's motion depends on the sum of the forces on the object and the mass of the object
- 8.PS2.3Forces, Motion, and InteractionsAsk questions about data to determine the factors that affect the strength of electric and magnetic forces
- 8.PS2.4Gravity and Object MotionConstruct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects
- 8.PS2.5Forces, Motion, and InteractionsConduct an investigation and evaluate the experimental design to provide evidence that fields exist between objects exerting forces on each other even though the objects are not in contact
- 8.PS3.1Scientific Tools, Measurement, and Data DisplaysConstruct and interpret graphical displays of data to describe the relationships of kinetic energy to the mass of an object and to the speed of an object
- 8.PS3.2Gravity and Object MotionDevelop a model to describe that when the arrangement of objects interacting at a distance changes, different amounts of potential energy are stored in the system
- 8.PS4.1Light, Sound, and Wave BehaviorUse mathematical representations to describe a simple model for waves that includes how the amplitude of a wave is related to the energy in a wave
- 8.PS4.2Material Properties and UsesDevelop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials
- 8.PS4.3Integrate Qualitative Scientific Technical Information Claim Digitized SignalsIntegrate qualitative scientific and technical information to support the claim that digitized signals are a more reliable way to encode and transmit information than analog signals
Source: Oregon K-12 Science Standards. Always check the current official document before relying on a code for placement or reporting.
Oregon Grade 8: Math and English Too
Science is one of three Oregon grade 8 centers. Same format, same standards-first approach, for the other two subjects.
Oregon Grade 8 Math
Six full practice tests, printable worksheets, step-by-step lessons, and every Oregon grade 8 math standard.
Oregon Grade 8 English
Reading, writing, and language standards for Oregon grade 8, broken into short skill targets with practice for each one.
Oregon Grade 8 Science FAQ
Does Oregon test science in grade 8?
Yes. Oregon students take OSAS Science in grade 8. It is the state's eighth-grade science assessment.
Which standards does grade 8 science in Oregon follow?
Oregon follows the Oregon Science Standards, published by the Oregon Department of Education. All 26 of this grade's standards are listed further down the page with their official codes.
How long are the practice tests?
Each of the six practice tests has 40 questions and a 70-minute timer. The timer auto-submits at zero and you get your score, a breakdown by science area, and a written explanation for every question.
Is any of this free?
Yes, every practice test, quiz, and flashcard set on this page is free and needs no login. Your progress is saved in your own browser and nowhere else.
What is the fastest way to use this page?
Take practice test 1 cold. Look at the topic breakdown, pick the weakest science area, and do that skill quiz. Then read the quick review for that area and come back for practice test 2.
Grade 8 Science in Other States
Standards, practice tests, and quizzes for grade 8 science in every state and Washington, D.C.
Start With One OSAS Test
Take a timed practice test, find the science area that costs you the most points, and study that one first with the matching quiz and quick review.