Biology3-5 review candidate
Cell World
Use a magnified image to notice repeating parts while distinguishing an image model from direct sight.
Cell World: Test one changeLabPath
Assign a WorldExplore the Worlds
100 launchable experiences are open for Grades 3-5 review across all 100 Worlds.
100 Worlds
3-5Biology3-5 review candidate
Gene Lab
Separate inherited resemblance from traits or skills shaped by experience.
Gene Lab: Test one changeBiology3-5 review candidate
Body Atlas
Connect visible body parts with jobs that help a person sense and move.
Body Atlas: Test one changeBiology3-5 review candidate
Evolve Sim
Notice variation among individuals of the same kind without treating difference as better or worse.
Evolve Sim: Test one changeBiology3-5 review candidate
Ecosystem
Recognize that living things depend on suitable food, water, light, and shelter.
Ecosystem: Test one changeEarth3-5 review candidate
Climate Engine
Distinguish today's weather from a pattern recorded across many days.
Climate Engine: Test one changePhysics3-5 reference
Force Field
AP Physics: forces, motion, Newtonian mechanics, fields, and energy reasoning
position and time: launch a cartPhysics3-5 review candidate
Orbit Lab
Notice repeating paths in a physical model without treating model scale or forces as literal.
Orbit Lab: Test one changePhysics3-5 review candidate
Wave World
Connect a repeated disturbance with a visible pattern moving through a material.
Wave World: Test one changePhysics3-5 review candidate
Optics Bench
Use light and shadow observations to predict what changes when an object or light source moves.
Optics Bench: Test one changeChemistry3-5 review candidate
Molecule Forge
Use a particle model to represent that materials can be made from repeating groups while respecting model limitations.
Molecule Forge: Test one changeChemistry3-5 review candidate
Reaction Lab
Distinguish an observable material change from a change in position or arrangement.
Reaction Lab: Test one changeMathematics3-5 reference
Place Value Lab
Elementary math: place value, base-ten structure, operations, and number sense
multiplication equation from model: connect model to equationMathematics3-5 reference
Fraction Forge
Elementary and middle-school math: fractions, ratios, equivalence, operations, and proportional reasoning
array structure: build arraysMathematics3-5 review candidate
Algebra Lab
Represent an unknown quantity with a concrete box and preserve equality through matching moves.
Algebra Lab: Test one changeMathematics3-5 review candidate
Equation Solver
Treat an equation as a statement that two quantities are the same.
Equation Solver: Test one changeMathematics3-5 review candidate
Proportion Lab
Build fair one-to-one relationships before using formal ratios.
Proportion Lab: Test one changeMathematics3-5 review candidate
Graphverse
Connect a changing situation with a picture graph that rises, falls, or stays level.
Graphverse: Test one changeMathematics3-5 review candidate
Geo Proof
Use visible shape properties to justify why a claim remains true after moving or turning a shape.
Geo Proof: Test one changeMathematics3-5 review candidate
Proof Builder
Build a short explanation by connecting a claim to observable evidence.
Proof Builder: Test one changeMathematics3-5 review candidate
Word Problem Engine
Represent a story situation with objects, actions, and an equation appropriate to the grade.
Word Problem Engine: Test one changeComputer Science3-5 review candidate
Circuit Mind
Build a simple input-rule-output path using switches and visible signals.
Circuit Mind: Test one changeComputer Science3-5 review candidate
Code Craft
Create and debug an ordered set of instructions for a visible character.
Code Craft: Test one changeComputer Science3-5 review candidate
Code Lab
Test a simple program and revise the specific instruction that causes an unexpected result.
Code Lab: Test one changeData & Analysis3-5 review candidate
Data Lab
Collect data with a clear rule and notice how missing observations can change a conclusion.
Data Lab: Test one changeData & Statistics3-5 review candidate
Statsphere
Compare category counts and make a claim limited to the collected group.
Statsphere: Test one changeEngineering3-5 review candidate
Build Lab
Build and test a structure against a clear load or stability goal.
Build Lab: Test one changeEngineering3-5 review candidate
Make Shop
Choose materials by testing properties against a making goal.
Make Shop: Test one changeEngineering3-5 review candidate
Mechanism Lab
Explore how a simple mechanism changes the direction or size of a motion.
Mechanism Lab: Test one changeEngineering3-5 review candidate
Assistive Design
Design with a person's stated need rather than assumptions about what they can do.
Assistive Design: Test one changeEngineering3-5 review candidate
Sense & Control
Connect a sensor observation to a controlled response and revise a simple rule.
Sense & Control: Test one changeEngineering3-5 review candidate
Green Works
Compare design choices using both a human need and an environmental effect.
Green Works: Test one changeChemistry3-5 review candidate
Synth Lab
Follow and revise a safe making sequence while tracking which materials remain in the result.
Synth Lab: Test one changeBiology3-5 review candidate
Bio Forge
Plan a fair observation by changing one condition and keeping other conditions alike.
Bio Forge: Test one changeBiology3-5 review candidate
Dissect Lab
Connect parts of a safe model with the jobs they help a living thing perform.
Dissect Lab: Test one changePhysics3-5 review candidate
Reactor Core
Track safe, modeled energy transfers from a source to warming water without simulating hazardous operation.
Reactor Core: Test one changePhysics3-5 review candidate
Stellar Lab
Compare star observations by color and apparent brightness without inferring unsupported age or distance.
Stellar Lab: Test one changeEarth3-5 review candidate
Geo Forge
Use a landform model to test how water follows slopes and where barriers redirect flow.
Geo Forge: Test one changeEarth3-5 review candidate
Terra Map
Recognize land and water patterns on pictures, models, and simple maps.
Terra Map: Test one changeEarth3-5 review candidate
SkyWatch
Record repeating patterns in the apparent positions of the sun, moon, and stars.
Skywatch: Test one changeComputer Science3-5 review candidate
Neural Path
Train and test a simple sorting model while noticing examples it has not seen.
Neural Path: Test one changeEngineering3-5 review candidate
Fluid Lab
Test how channel shape changes the direction and speed of visible water flow.
Fluid Lab: Test one changeEngineering3-5 review candidate
Aerospace Lab
Compare paper-flight designs using repeated, fair tests rather than one lucky flight.
Aerospace Lab: Test one changeEngineering3-5 review candidate
Robotics Lab
Build, run, and debug a short command sequence for a physical-system model.
Robotics Lab: Test one changeApplied/Professional3-5 review candidate
Business Case
Make a classroom resource choice by comparing needs, limits, and who is affected.
Business Case: Test one changeApplied/Professional3-5 review candidate
Clinical Sim
Notice a health concern, avoid diagnosis, and choose an appropriate trusted-adult response.
Clinical Sim: Test one changeComputer Science3-5 review candidate
Cyber Sim
Recognize private information and choose when to ask a trusted adult before sharing.
Cyber Sim: Test one changeComputer Science3-5 review candidate
Made World
Compare how designed objects follow rules and make choices possible or impossible.
Made World: Test one changeHumanities3-5 review candidate
WriteCraft
Arrange characters, settings, problems, and endings into a coherent oral or picture story.
WriteCraft: Test one changeHumanities3-5 reference
Writing Reader
ELA and writing: reader interpretation, procedural clarity, revision, and audience-aware communication
Open exploration missionHumanities3-5 review candidate
History Sim
Compare simple sources and distinguish what each source can show about the past.
History Sim: Test one changeHumanities3-5 review candidate
World Language
Use words, gestures, and pictures to complete a meaningful social exchange.
World Language: Test one changeArts/Wellness/SEL3-5 review candidate
Art Lab
Make an intentional visual choice and describe how it changes what viewers notice.
Art Lab: Test one changeArts/Wellness/SEL3-5 review candidate
Music Lab
Create and compare sound patterns using beat, silence, loudness, and timbre.
Music Lab: Test one changeArts/Wellness/SEL3-5 review candidate
PE Lab
Plan and perform safe movement patterns while noticing body position and space.
PE Lab: Test one changeArts/Wellness/SEL3-5 review candidate
SEL Lab
Notice feelings and choose a safe, respectful response while recognizing that people may feel differently.
SEL Lab: Test one changeApplied/Professional3-5 review candidate
Clinical Nurse Residency
Recognize how a care team listens, checks, communicates, and protects privacy.
Clinical Nurse Residency: Test one changeApplied/Professional3-5 review candidate
Optometry Clinical Residency
Notice access needs related to seeing and choose a supportive, non-diagnostic response.
Optometry Clinical Residency: Test one changeComputer Science3-5 review candidate
Quantum Lab
Explore a deliberately simplified chance model without claiming it explains quantum physics.
Quantum Lab: Test one changeMathematics3-5 review candidate
Measure Lab
Compare measurable lengths by aligning objects to the same starting point.
Measure Lab: Test one changeMathematics3-5 review candidate
Multiply Forge
Use equal groups to describe repeated quantities before symbolic multiplication.
Multiply Forge: Test one changeMathematics3-5 review candidate
Division Lab
Share a collection into equal groups and check for leftovers.
Division Lab: Test one changeMathematics3-5 review candidate
Decimal Bridge
Compose a whole from equal parts and connect tenths to familiar measurement contexts in Grade 2.
Decimal Bridge: Test one changeMathematics3-5 review candidate
Pattern Lab
Identify, extend, and describe repeating and growing visual patterns.
Pattern Lab: Test one changeMathematics3-5 review candidate
Shape Builder
Compose larger shapes from smaller shapes and decompose them in multiple ways.
Shape Builder: Test one changeMathematics3-5 review candidate
Coordinate Grid
Describe position and movement using directional language and an ordered grid path.
Coordinate Grid: Test one changeMathematics3-5 review candidate
Angle Lab
Compare turns and corners using square-corner and quarter-turn benchmarks.
Angle Lab: Test one changeMathematics3-5 review candidate
Surface & Volume Lab
Compare how containers cover space and how faces can be composed from shapes.
Surface & Volume Lab: Test one changeMathematics3-5 review candidate
Probability Lab
Describe chance using possible, impossible, and more or less likely outcomes.
Probability Lab: Test one changeMathematics3-5 review candidate
Linear Lab
Notice constant additive change in a concrete growing pattern.
Linear Lab: Test one changeMathematics3-5 review candidate
Pythagoras Lab
Compose and compare square regions without introducing a formal theorem prematurely.
Pythagoras Lab: Test one changeData & Statistics3-5 review candidate
Scatter Lab
Notice whether two measured features appear to change together in a small picture dataset.
Scatter Lab: Test one changeMathematics3-5 review candidate
Exponent Lab
Recognize repeated doubling as a growing pattern without symbolic exponent notation.
Exponent Lab: Test one changeMathematics3-5 review candidate
Function Intro
Describe a consistent input-output rule using a concrete machine.
Function Intro: Test one changeData & Analysis3-5 review candidate
Data Lab Elementary
Sort observations into categories and use a picture graph to compare counts.
Data Lab Elementary: Test one changeMathematics3-5 review candidate
Time Money Units
Order familiar events and connect clocks and coins with their everyday purposes.
Time Money Units: Test one changeMathematics3-5 review candidate
Ratio Rate
Compare repeated one-for-each relationships in familiar contexts.
Ratio Rate: Test one changeMathematics3-5 review candidate
Expression Lab
Connect different action stories that produce the same quantity.
Expression Lab: Test one changeMathematics3-5 review candidate
Inequality Lab
Compare two quantities using more, fewer, and the same before introducing symbols.
Inequality Lab: Test one changeChemistry3-5 review candidate
States of Matter
Describe visible changes when water is warmed or cooled.
States of Matter: Test one changeBiology3-5 reference
Plant Lab
Life Science: plant structures, photosynthesis, life cycles, seed dispersal
Open exploration missionEarth3-5 reference
Weather Lab
Earth Science: weather variables, water cycle, severe weather, weather vs climate
Open exploration missionBiology3-5 review candidate
Body Intro
Notice ordinary body signals and choose safe actions that support wellbeing.
Body Intro: Test one changeBiology3-5 review candidate
Heredity Intro
Identify traits that young living things share with parents and traits that vary.
Heredity Intro: Test one changeBiology3-5 review candidate
Cell Division
Use a model sequence to describe how one starting unit can become two during growth.
Cell Division: Test one changeBiology3-5 review candidate
Human Impact
Choose actions that reduce a visible human impact on a local habitat.
Human Impact: Test one changeBiology3-5 review candidate
Adaptation Lab
Connect an animal's visible structure with a job it helps the animal perform.
Adaptation Lab: Test one changeBiology3-5 review candidate
Food Web
Sequence a simple food relationship from sunlight to plant to animal.
Food Web: Test one changeBiology3-5 review candidate
Microbe Lab
Use visible test evidence to infer that unseen agents can move between surfaces.
Microbe Lab: Test one changeBiology3-5 review candidate
K-2 Bio Shell
Classify living things by the structures, resources, and habitat evidence that help them survive.
Living Systems Lab: Test one changePhysics3-5 review candidate
Energy Transfer
Track warmth moving between objects using before-and-after observations.
Energy Transfer: Test one changePhysics3-5 review candidate
Magnet Lab
Use tests to identify when magnets attract, repel, or do not affect an object.
Magnet Lab: Test one changePhysics3-5 reference
Sound Lab
Physical Science: vibrations, pitch, volume, sound speed through media, echoes
Open exploration missionPhysics3-5 reference
Simple Forces
Physical Science: push, pull, friction, gravity, balanced forces, simple machines
Open exploration missionPhysics3-5 reference
Light Lab
Physical Science: light sources, shadows, reflection, refraction, color, materials
Open exploration missionEarth3-5 review candidate
Solar System Lab
Use a day-and-night model to connect Earth's turning with changing sky views.
Solar System Lab: Test one changeEarth3-5 review candidate
Rock Lab
Sort rocks by observable properties and compare multiple valid grouping rules.
Rock Lab: Test one changeEarth3-5 reference
Water Lab
Earth Science: water cycle, watersheds, groundwater, erosion, water quality
Open exploration missionEarth3-5 review candidate
Space Explorer
Compare observable sky objects while respecting the limits of pictures and scale models.
Space Explorer: Test one changeEarth3-5 review candidate
Earth History
Use rock-layer and fossil clues to order events from older to newer.
Earth History: Test one change