LOUISIANATHE PELICAN STATE
Louisiana Grade 3 Science Online Center
Everything Louisiana third graders need for LEAP 2025 Science, six full-length practice tests, skill quizzes, flashcards, and every Louisiana science standard for this grade in one place.
Standards source: Louisiana Student Standards, Louisiana Department of Education.
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Louisiana Science by Grade
Every Louisiana science center, grade 1 through grade 8.
Start With a Practice Test
Six full, timed science practice tests for Louisiana third graders, 25 questions each, instant scoring, a breakdown by science area, and a written explanation for every question. Each one opens right here.
Louisiana Grade 3 Science Practice Test 1
A full diagnostic across every science area for this grade.
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Louisiana Grade 3 Science Practice Test 2
Fresh questions and new phenomena to build accuracy.
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Louisiana Grade 3 Science Practice Test 3
New problems that push reading of data, models, and evidence.
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Louisiana Grade 3 Science Practice Test 4
Another complete, timed exam to build pacing and stamina.
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Louisiana Grade 3 Science Practice Test 5
A brand-new mixed set to test how ready you are.
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Louisiana Grade 3 Science Practice Test 6
A final full-length simulation to confirm you are ready.
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Grade 3 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 3 Science Study Tools
A few minutes of review between practice tests. Both open right here.
Grade 3 Science Flashcards
All 145 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 3 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 Louisiana grade 3 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.
Louisiana Grade 3 Science Snapshot
Louisiana Grade 3 Science Topics
These are the 15 science standards Louisiana sets for grade 3, from the Louisiana Student Standards for Science, 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.
Louisiana standard codes
PS Physical Sciences
- 3-PS2-13-PS2-3Forces, Motion, and Interactions
- 3-PS2-2Observations Measurements Object'S Motion Provide Evidence Pattern Used
- 3-PS2-4Magnets, Electricity, and Circuits
LS Life Sciences
- 3-LS1-13-LS2-13-LS3-13-LS4-13-LS4-33-LS4-4Organism Needs, Structures, and Life Cycles
- 3-LS3-2Cells, Body Systems, and Genetics
- 3-LS4-2Evidence Explanation Variations Characteristics Among Individuals Same Species
ESS Earth and Space Sciences
- 3-ESS2-13-ESS2-2Water Cycle, Weather, Climate, and Atmosphere
- 3-ESS3-1Claim About Merit Solution Reduces Impact Weather Related
Grouped and ordered from the state's own standards document.
Louisiana Grade 3 Science Standards
The full text of every grade 3 science standard in the Louisiana Student Standards for Science. If your Louisiana classroom or report card mentions a code, you will find it here.
PS Physical Sciences
- 3-PS2-1Forces, Motion, and InteractionsPlan and conduct an investigation to provide evidence of the effects of balanced and unbalanced forces on the motion of an object
- 3-PS2-2Observations Measurements Object'S Motion Provide Evidence Pattern UsedMake observations and/or measurements of an object's motion to provide evidence that a pattern can be used to predict future motion
- 3-PS2-3Forces, Motion, and InteractionsAsk questions to determine cause and effect relationships of electric or magnetic interactions between two objects not in contact with each other
- 3-PS2-4Magnets, Electricity, and CircuitsDefine a simple design problem that can be solved by applying scientific ideas about magnets
LS Life Sciences
- 3-LS1-1Organism Needs, Structures, and Life CyclesDevelop models to describe that organisms have unique and diverse life cycles but all have in common birth, growth, reproduction, and death
- 3-LS2-1Organism Needs, Structures, and Life CyclesConstruct and support an argument that some animals form groups that help members survive
- 3-LS3-1Organism Needs, Structures, and Life CyclesAnalyze and interpret data to provide evidence that plants and animals have traits inherited from their parents and that variation of these traits exists in a group of similar organisms
- 3-LS3-2Cells, Body Systems, and GeneticsUse evidence to support the explanation that traits can be influenced by the environment
- 3-LS4-1Organism Needs, Structures, and Life CyclesAnalyze and interpret data from fossils to provide evidence of the organisms and the environments in which they lived long ago
- 3-LS4-2Evidence Explanation Variations Characteristics Among Individuals Same SpeciesUse evidence to construct an explanation for how the variations in characteristics among individuals of the same species may provide advantages in surviving, finding mates, and reproducing
- 3-LS4-3Organism Needs, Structures, and Life CyclesConstruct and support an argument with evidence that in a particular habitat some organisms can survive well, some survive less well, and some cannot survive at all
- 3-LS4-4Organism Needs, Structures, and Life CyclesMake a claim about the merit of a solution to a problem caused when the environment changes and the types of plants and animals that live there may change
ESS Earth and Space Sciences
- 3-ESS2-1Water Cycle, Weather, Climate, and AtmosphereRepresent data in tables and graphical displays to describe typical weather conditions expected during a particular season
- 3-ESS2-2Water Cycle, Weather, Climate, and AtmosphereObtain and combine information to describe climates in different regions around the world
- 3-ESS3-1Claim About Merit Solution Reduces Impact Weather RelatedMake a claim about the merit of a design solution that reduces the impact of a weather-related hazard
Source: Louisiana Student Standards. Always check the current official document before relying on a code for placement or reporting.
Louisiana Grade 3: Math and English Too
Science is one of three Louisiana grade 3 centers. Same format, same standards-first approach, for the other two subjects.
Louisiana Grade 3 Math
Six full practice tests, printable worksheets, step-by-step lessons, and every Louisiana grade 3 math standard.
Louisiana Grade 3 English
Reading, writing, and language standards for Louisiana grade 3, broken into short skill targets with practice for each one.
Louisiana Grade 3 Science FAQ
Does Louisiana test science in grade 3?
Yes. Louisiana students take LEAP 2025 Science in grade 3. It is the state's third-grade science assessment.
Which standards does grade 3 science in Louisiana follow?
Louisiana follows the Louisiana Student Standards for Science, published by the Louisiana Department of Education. All 15 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 25 questions and a 45-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 3 Science in Other States
Standards, practice tests, and quizzes for grade 3 science in every state and Washington, D.C.
Start With One LEAP 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.