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Texas Grade 8 Science
Texas Grade 8 Science: explore science lessons, skill quizzes, practice tests, and standards references. Use evidence and answer explanations to guide review.
Focused lessons · Useful practice · Clear next steps
Standards source: Texas Essential Knowledge and Skills (TEKS), Texas Education Agency.
Grade 8 Science: Learn, Practice, and Quiz
Read a short lesson, work through its example, and try a related science-area quiz. States organize these ideas differently; use your state standards to choose what matches your class.
Physical Science
Life Science
Texas Science by Grade
Every Texas science center, grade 1 through grade 8.
Start With a Practice Test
Six full, timed science practice tests for Texas eighth graders, 40 questions each, instant scoring, a breakdown by science area, and a written explanation for every question. Each one opens right here.
Texas Grade 8 Science Practice Test 1
A full diagnostic across every science area for this grade.
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Texas Grade 8 Science Practice Test 2
Fresh questions and new phenomena to build accuracy.
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Texas Grade 8 Science Practice Test 3
New problems that push reading of data, models, and evidence.
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Texas Grade 8 Science Practice Test 4
Another complete, timed exam to build pacing and stamina.
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Texas Grade 8 Science Practice Test 5
A brand-new mixed set to test how ready you are.
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Texas 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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Texas Grade 8 Science Snapshot
Texas Grade 8 Science Topics
This study reference lists 49 expectations for grade 8 from Texas Essential Knowledge and Skills (TEKS) for Science, organized for study. Check the current state document for the official sequence, full wording, and any updates. Reference codes help you compare the listed expectations with the source. Confirm the current state edition and grade placement before using them as classroom requirements.
1-4 Scientific and engineering practices
- 8.1(A)8.1(B)Scientific Questions, Investigations, and Evidence
- 8.1(C)8.4(A)Lab Safety and Responsible Investigations
- 8.1(D)8.1(E)8.1(F)Scientific Tools, Measurement, and Data Displays
- 8.1(G)8.2(D)Engineering Design and Solution Evaluation
- 8.1(H)Between Scientific Hypotheses Theories Laws
- 8.2(A)8.2(B)8.3(A)Data Analysis, Patterns, and Model Limits
- 8.2(C)Matter Properties, States, and Classification
- 8.3(B)8.3(C)8.4(C)Science Communication, Evidence, and STEM Careers
- 8.4(B)Informed Decisions Evaluating Evidence Multiple Appropriate Sources Assess
5 Recurring themes and concepts
- 8.5(A)8.5(B)8.5(D)8.5(E)8.5(F)8.5(G)Patterns, Systems, Cause and Effect, and Change
- 8.5(C)Differences Scale Proportion Quantity Affect System'S Structure Performance
6 Matter and energy
- 8.6(A)8.6(B)8.6(E)Particles, Atoms, Elements, and Compounds
- 8.6(C)Properties Cohesion Adhesion Surface Tension Water Relate Observable
- 8.6(D)Material Properties and Uses
7-8 Force, motion, and energy
- 8.7(A)8.7(B)Forces, Motion, and Interactions
- 8.8(A)8.8(B)Magnets, Electricity, and Circuits
9-11 Earth and space
- 8.9(A)8.9(B)Sun, Moon, Earth, Stars, and Space Systems
- 8.9(C)Scientific Data Used Evidence Scientific Theories Origin Universe
- 8.10(A)8.10(B)8.11(A)Water Cycle, Weather, Climate, and Atmosphere
- 8.10(C)Interactions Between Ocean Currents Air Masses Produce Tropical
- 8.11(B)Scientific Evidence Human Activities Release Greenhouse Gases Deforestation
- 8.11(C)Carbon Cycle Carbon Cycle
12-13 Organisms and environments
- 8.12(A)8.13(B)Cells, Body Systems, and Genetics
- 8.12(B)Ecosystems, Food Webs, and Matter Flow
- 8.12(C)8.13(A)8.13(C)Organism Needs, Structures, and Life Cycles
Grouped and ordered from the state's own standards document.
Texas Grade 8 Science Standards
A science standards reference for grade 8, with codes and learning expectations from Texas Essential Knowledge and Skills (TEKS) for Science. If your Texas classroom or report card mentions a code, you will find it here.
1-4 Scientific and engineering practices
- 8.1(A)Scientific Questions, Investigations, and EvidenceAsk questions and define problems based on observations or information from text, phenomena, models, or investigations
- 8.1(B)Scientific Questions, Investigations, and EvidenceUse scientific practices to plan and conduct descriptive, comparative, and experimental investigations and use engineering practices to design solutions to problems
- 8.1(C)Lab Safety and Responsible InvestigationsUse appropriate safety equipment and practices during laboratory, classroom, and field investigations as outlined in Texas Education Agency-approved safety standards
- 8.1(D)Scientific Tools, Measurement, and Data DisplaysUse appropriate tools such as graduated cylinders, metric rulers, periodic tables, balances, scales, thermometers, temperature probes, laboratory ware, timing devices, pH indicators, hot plates, models, microscopes, slides, life science models, petri dishes, dissecting kits, magnets, spring scales or force sensors, tools that model wave behavior, satellite images, weather maps, hand lenses, and lab notebooks or journals
- 8.1(E)Scientific Tools, Measurement, and Data DisplaysCollect quantitative data using the International System of Units (SI) and qualitative data as evidence
- 8.1(F)Scientific Tools, Measurement, and Data DisplaysConstruct appropriate tables, graphs, maps, and charts using repeated trials and means to organize data
- 8.1(G)Engineering Design and Solution EvaluationDevelop and use models to represent phenomena, systems, processes, or solutions to engineering problems
- 8.1(H)Between Scientific Hypotheses Theories LawsDistinguish between scientific hypotheses, theories, and laws
- 8.2(A)Data Analysis, Patterns, and Model LimitsIdentify advantages and limitations of models such as their size, scale, properties, and materials
- 8.2(B)Data Analysis, Patterns, and Model LimitsAnalyze data by identifying any significant descriptive statistical features, patterns, sources of error, or limitations
- 8.2(C)Matter Properties, States, and ClassificationUse mathematical calculations to assess quantitative relationships in data
- 8.2(D)Engineering Design and Solution EvaluationEvaluate experimental and engineering designs
- 8.3(A)Data Analysis, Patterns, and Model LimitsDevelop explanations and propose solutions supported by data and models and consistent with scientific ideas, principles, and theories
- 8.3(B)Science Communication, Evidence, and STEM CareersCommunicate explanations and solutions individually and collaboratively in a variety of settings and formats
- 8.3(C)Science Communication, Evidence, and STEM CareersEngage respectfully in scientific argumentation using applied scientific explanations and empirical evidence
- 8.4(A)Lab Safety and Responsible InvestigationsRelate the impact of past and current research on scientific thought and society, including the process of science, cost-benefit analysis, and contributions of diverse scientists as related to the content
- 8.4(B)Informed Decisions Evaluating Evidence Multiple Appropriate Sources AssessMake informed decisions by evaluating evidence from multiple appropriate sources to assess the credibility, accuracy, cost-effectiveness, and methods used
- 8.4(C)Science Communication, Evidence, and STEM CareersResearch and explore resources such as museums, libraries, professional organizations, private companies, online platforms, and mentors employed in a science, technology, engineering, and mathematics (STEM) field to investigate STEM careers
5 Recurring themes and concepts
- 8.5(A)Patterns, Systems, Cause and Effect, and ChangeIdentify and apply patterns to understand and connect scientific phenomena or to design solutions
- 8.5(B)Patterns, Systems, Cause and Effect, and ChangeIdentify and investigate cause-and-effect relationships to explain scientific phenomena or analyze problems
- 8.5(C)Differences Scale Proportion Quantity Affect System'S Structure PerformanceAnalyze how differences in scale, proportion, or quantity affect a system's structure or performance
- 8.5(D)Patterns, Systems, Cause and Effect, and ChangeExamine and model the parts of a system and their interdependence in the function of the system
- 8.5(E)Patterns, Systems, Cause and Effect, and ChangeAnalyze and explain how energy flows and matter cycles through systems and how energy and matter are conserved through a variety of systems
- 8.5(F)Patterns, Systems, Cause and Effect, and ChangeAnalyze and explain the complementary relationship between the structure and function of objects, organisms, and systems
- 8.5(G)Patterns, Systems, Cause and Effect, and ChangeAnalyze and explain how factors or conditions impact stability and change in objects, organisms, and systems
6 Matter and energy
- 8.6(A)Particles, Atoms, Elements, and CompoundsExplain by modeling how matter is classified as elements, compounds, homogeneous mixtures, or heterogeneous mixtures
- 8.6(B)Particles, Atoms, Elements, and CompoundsUse the periodic table to identify the atoms involved in chemical reactions
- 8.6(C)Properties Cohesion Adhesion Surface Tension Water Relate ObservableDescribe the properties of cohesion, adhesion, and surface tension in water and relate to observable phenomena such as the formation of droplets, transport in plants, and insects walking on water
- 8.6(D)Material Properties and UsesCompare and contrast the properties of acids and bases, including pH relative to water
- 8.6(E)Particles, Atoms, Elements, and CompoundsInvestigate how mass is conserved in chemical reactions and relate conservation of mass to the rearrangement of atoms using chemical equations, including photosynthesis
7-8 Force, motion, and energy
- 8.7(A)Forces, Motion, and InteractionsCalculate and analyze how the acceleration of an object is dependent upon the net force acting on the object and the mass of the object using Newton's Second Law of Motion
- 8.7(B)Forces, Motion, and InteractionsInvestigate and describe how Newton's three laws of motion act simultaneously within systems such as in vehicle restraints, sports activities, amusement park rides, Earth's tectonic activities, and rocket launches
- 8.8(A)Magnets, Electricity, and CircuitsCompare the characteristics of amplitude, frequency, and wavelength in transverse waves, including the electromagnetic spectrum
- 8.8(B)Magnets, Electricity, and CircuitsExplain the use of electromagnetic waves in applications such as radiation therapy, wireless technologies, fiber optics, microwaves, ultraviolet sterilization, astronomical observations, and X-rays
9-11 Earth and space
- 8.9(A)Sun, Moon, Earth, Stars, and Space SystemsDescribe the life cycle of stars and compare and classify stars using the Hertzsprung-Russell diagram
- 8.9(B)Sun, Moon, Earth, Stars, and Space SystemsCategorize galaxies as spiral, elliptical, and irregular and locate Earth's solar system within the Milky Way galaxy
- 8.9(C)Scientific Data Used Evidence Scientific Theories Origin UniverseResearch and analyze scientific data used as evidence to develop scientific theories that describe the origin of the universe
- 8.10(A)Water Cycle, Weather, Climate, and AtmosphereDescribe how energy from the Sun, hydrosphere, and atmosphere interact and influence weather and climate
- 8.10(B)Water Cycle, Weather, Climate, and AtmosphereIdentify global patterns of atmospheric movement and how they influence local weather
- 8.10(C)Interactions Between Ocean Currents Air Masses Produce TropicalDescribe the interactions between ocean currents and air masses that produce tropical cyclones, including typhoons and hurricanes
- 8.11(A)Water Cycle, Weather, Climate, and AtmosphereUse scientific evidence to describe how natural events, including volcanic eruptions, meteor impacts, abrupt changes in ocean currents, and the release and absorption of greenhouse gases influence climate
- 8.11(B)Scientific Evidence Human Activities Release Greenhouse Gases DeforestationUse scientific evidence to describe how human activities, including the release of greenhouse gases, deforestation, and urbanization, can influence climate
- 8.11(C)Carbon Cycle Carbon CycleDescribe the carbon cycle
12-13 Organisms and environments
- 8.12(A)Cells, Body Systems, and GeneticsExplain how disruptions such as population changes, natural disasters, and human intervention impact the transfer of energy in food webs in ecosystems
- 8.12(B)Ecosystems, Food Webs, and Matter FlowDescribe how primary and secondary ecological succession affect populations and species diversity after ecosystems are disrupted by natural events or human activity
- 8.12(C)Organism Needs, Structures, and Life CyclesDescribe how biodiversity contributes to the stability and sustainability of an ecosystem and the health of the organisms within the ecosystem
- 8.13(A)Organism Needs, Structures, and Life CyclesIdentify the function of the cell membrane, cell wall, nucleus, ribosomes, cytoplasm, mitochondria, chloroplasts, and vacuoles in plant or animal cells
- 8.13(B)Cells, Body Systems, and GeneticsDescribe the function of genes within chromosomes in determining inherited traits of offspring
- 8.13(C)Organism Needs, Structures, and Life CyclesDescribe how variations of traits within a population lead to structural, behavioral, and physiological adaptations that influence the likelihood of survival and reproductive success of a species over generations
Source: Texas Essential Knowledge and Skills (adopted in 2021). Always check the current official document before relying on a code for placement or reporting.
Texas Grade 8: Math and English Too
Science is one of three Texas grade 8 centers. Same format, same standards-first approach, for the other two subjects.
Texas Grade 8 Math
Six full practice tests, printable worksheets, step-by-step lessons, and every Texas grade 8 math standard.
Open the math center →Texas Grade 8 English
Reading, writing, and language standards for Texas grade 8, broken into short skill targets with practice for each one.
Open the English center →Texas Grade 8 Science FAQ
Does Texas test science in grade 8?
Yes. Texas students take STAAR Science in grade 8. It is the state's eighth-grade science assessment.
Which standards does grade 8 science in Texas follow?
Texas follows the Texas Essential Knowledge and Skills (TEKS) for Science, published by the Texas Education Agency. All 49 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 STAAR 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.
Start a practice testA USEFUL NEXT STEP
Texas Grade 8 Science: study questions
How should I choose a Grade 8 science study target?
Start with the course or standards reference for this state. Explain one idea before doing its related practice, then use the feedback to decide what needs another example.
Official source ↗Are these activities official state assessments?
These are independently published learning resources. A practice score does not predict or replace an official state score. Use the directions in each activity and consult your school for official testing and accommodation rules.
Resources from Effortless Math · Editorial standards