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Math 75 tools

Order of Operations (PEMDAS)
Long Division Solver
Decimal / Fraction / Percent
Factor Tree & GCF/LCM

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Physics 49 tools

Materials Sorter
States of Matter
Pushes & Motion
Simple Machines

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Chemistry 18 tools

Periodic Table
Molar Mass Calculator
Ideal Gas Law (PV=nRT)
pH & Acid-Base

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Statistics 15 tools

Mean, Median & Mode
Graphs for Kids
Descriptive Statistics
Linear Regression

+11 more
Calculus 8 tools

Function Graph Explorer
Derivatives & Integrals
Sequence & Series Explorer
Polar & Parametric Explorer

+4 more
Geometry 17 tools

Area & Perimeter Explorer
Area Tiles & Perimeter
Volume with Unit Cubes
Symmetry & Pattern Blocks

+13 more
Computer Science 29 tools

Number Base Converter
Truth Table Generator
Sorting Algorithm Visualizer
Big-O Complexity Visualizer

+25 more
Applied Math 14 tools

Compound Interest
Unit Converter
Loan Amortization
Uncertainty Analyzer

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Math
Order of Operations (PEMDAS) Long Division Solver Decimal / Fraction / Percent Factor Tree & GCF/LCM Percent Calculator Exponent Explorer Fraction Operations Mixed Numbers Builder Integer Number Line Equation Balance Scale Ratio & Proportion Place Value Explorer Division Explorer Multiplication Explorer Coordinate Grid Treasure Hunt Telling Time Clock Money Counter & Change Maker Addition & Subtraction Explorer Rounding & Estimation Fractions Number Line Fraction Wall Area Model Multiplication Fraction Multiplication Two-Step Word Problem Studio Elapsed Time Adventure Equal Shares & Fraction Shapes Multiplicative Comparison Builder Fraction as Division & Sharing Stories Unit Fraction Division Stories Measurement Story Problems Prime & Composite Detective Decimal Grids Explorer Bar Model Builder Measurement Lab Measurement Conversion Factors & Multiples Playground Partial Quotients & Remainders Decimal Operations (Base-Ten Blocks) Input-Output Machine Numerical Expressions Builder Quadratic Equation Solver Linear Equation Solver Unit Circle Explorer Combinatorics Matrix Calculator Triangle Solver Polynomial Roots Explorer Inequalities Grapher Vector Operations Matrix Transformation 2D Logarithm Explorer Complex Number Calculator Probability Calculator Systems of Equations Eigenvalue & Eigenvector Calculator Vector Space Visualizer Prime Factorization & Sieve Modular Arithmetic Calculator Graph Theory Explorer Set Theory Visualizer Number Bonds & Fact Families Builder Hundreds Chart & Skip Counting Studio Calendar & Dates Explorer Thermometer & Temperature Explorer Nonstandard Measurement Playground Ten-Frame & Subitizing Studio Count, Compare & Order Numbers Teen Numbers Builder (10 + Ones) Number Path & Hop Count Adventure Tally Marks & Pictograph Builder Shape Sorter & Attribute Detective Compose Shapes Studio Positional Words & Map Directions Explorer Balance Scale: Heavier, Lighter, Equal Ordinal Numbers & Sequence Stories
Statistics
Mean, Median & Mode Graphs for Kids Descriptive Statistics Linear Regression Distributions Explorer Hypothesis Testing Confidence Intervals Normal Distribution Bayes' Theorem ANOVA Calculator Chi-Square Test Central Limit Theorem Regression Suite Line Plot & Fraction Data Spinners, Dice & Probability for Kids
Geometry
Area & Perimeter Explorer Area Tiles & Perimeter Volume with Unit Cubes Symmetry & Pattern Blocks Angle Builder Angle Relationships Angle Puzzles Compass & Straightedge Conic Sections Explorer 3D Shape Calculator Coordinate Geometry Transformations Visualizer Pythagorean Theorem Circle Theorems Polygon Calculator Shape Classifier 3D Nets & Shape Folding Explorer
Physics
Materials Sorter States of Matter Pushes & Motion Simple Machines Light, Sound & Vibrations Circuits for Kids Projectile Motion Circuit Calculator Lens & Mirror Calculator Kinematics Solver Wave Explorer Wave Interference Simulator Forces & FBD Tool Collision Simulator Refraction Explorer Energy Explorer SHM Explorer Universal Gravitation Specific Heat & Calorimetry Radioactive Decay Time Dilation Doppler Effect Simulator Electric Field Visualizer Magnetic Force Calculator Photoelectric Effect Lab Torque & Rotational Motion Rigid Body Dynamics Fluid Dynamics (Bernoulli) Coulomb's Law & Capacitors Gauss's Law & Electric Flux Magnetic Field Explorer EM Spectrum Calculator Pulley Calculator Block and Tackle System Belt Drive Calculator Gear Train Calculator Spring-Mass-Damper System Pressure & Pascal's Law Quantum Tunneling Simulator Hydrogen Orbital Viewer Orbital Mechanics RLC Circuit Analyzer Projectile with Air Resistance Engineering Challenge Studio Magnets Explorer Energy Transfer & Collisions Playground Energy Converter Builder Light, Shadows & Materials Explorer Communication Device Builder
Calculus
Function Graph Explorer Derivatives & Integrals Sequence & Series Explorer Polar & Parametric Explorer Riemann Sum Explorer Limits & Continuity Differential Equations 3D Graphing Calculator
Chemistry
Periodic Table Molar Mass Calculator Ideal Gas Law (PV=nRT) pH & Acid-Base Molarity & Dilution Balance Chemical Equations Electron Configuration Mole Converter Lewis Dot Structure Redox Calculator Nuclear Decay Chain Calculator Solution Chemistry (Colligative Properties) Electronegativity & Bond Polarity Molecular Geometry 3D Viewer ICE / Q / K / Ksp Solver Titration Curve Explorer Phase Diagram Explorer Matter Particles & Mixing
Computer Science
Number Base Converter Truth Table Generator Sorting Algorithm Visualizer Big-O Complexity Visualizer Logic Gate Simulator Regex Tester Pathfinding Visualizer Data Structure Visualizer Finite State Machine Tree Traversal Visualizer Internet Routing & Packets Data Compression & Encoding Java Array & ArrayList Explorer Cryptography Explorer Recursion & Call Stack Class Design & OOP Debugging & Unit Testing Java Strings & Methods Robot Directions & Sequencing Loops & Pattern Coder If/Then Choice Builder Bug Hunt: Debugging for Kids Pixel Art & Secret Messages Event-Driven Animation Studio Digital Citizenship Explorer How Messages Travel Computer Parts Playground Surveys & Data Stories Variables & Scorekeeper
Applied Math
Compound Interest Unit Converter Loan Amortization Uncertainty Analyzer Budget & Cash Flow Explorer Savings & Investing Explorer Credit & Loans Explorer Linear Programming Expected Value & Decision Trees Queueing & Network Flow Mechanism Design Explorer Materials Engineering Challenge Build-It-from-Pieces Studio Build a Better Shade & Shelter Challenge
Biology
Punnett Square Calculator Population Growth Simulator DNA/RNA Codon Translator Hardy-Weinberg Calculator Enzyme Kinetics Explorer Cell Cycle / Mitosis-Meiosis Viewer Photosynthesis Explorer Cellular Respiration Explorer Biodiversity Explorer Cell Signaling Explorer DNA Sequence Explorer Transpiration Explorer Gene Expression Explorer Plasmid & Selectable Marker DNA Fragment Analyzer Choice Chamber & Taxis Trophic Transfer Explorer Trait Selection Explorer Pollination & Seed Dispersal Builder Plant Growth Explorer Habitats & Adaptations Food Chain Builder Life Cycles Explorer Ecosystem Matter Cycle Explorer Inherited Traits & Variation Explorer Plant & Animal Structures Explorer Senses, Brain & Response Explorer Animal Groups & Survival Explorer Habitat Rescue Challenge Needs of Living Things Explorer Parent & Baby Animals Explorer Nature-Inspired Design Challenge
Earth Science
Earthquake Magnitude Calculator Carbon Footprint Calculator Star Lifecycle Visualizer H-R Diagram Explorer Spectroscopy & Redshift Explorer Exoplanet Transit Explorer Greenhouse Effect Explorer Water Quality Analyzer Atmosphere Explorer Energy Resources Explorer Watershed Explorer Soil Erosion Explorer Plate Tectonics Explorer Biogeochemical Cycles Food Systems Explorer Moon Phases & Eclipse Geometry Explorer Telescope Optics Explorer Weather & Water Cycle Erosion & Landforms Sun, Shadows & Daylight Weather Hazards & Safe Design Builder Fossils & Ancient Environments Explorer Water on Earth Explorer Constellations Explorer Natural Resources & Recycling Sorter Rock Layers & Landscape Change Explorer Reversible vs Irreversible Changes Waves & Secret Messages Gravity & Falling Objects Star Brightness & Distance Fast vs Slow Earth Changes Map Patterns & Landforms Earth Systems Interactions Explorer Weather Watcher & Clothing Sort
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Labs
Math 41 labs

Matrix & Transformations Lab
Polynomial & Rational Functions Lab
Exponential & Logarithmic Modeling Lab
Trigonometric & Polar Functions Lab

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Physics 37 labs

Thermodynamics Lab
Brownian Motion Lab
Heat Transfer Lab
Pendulum Lab

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Chemistry 17 labs

Gas Laws Lab
Chemical Kinetics Lab
Diffusion & Osmosis Lab
Titration Lab

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Statistics 16 labs

Graphs for Kids Lab
Mean, Median & Mode Lab
Hypothesis Testing Lab
Normal Distribution Lab

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Calculus 8 labs

Accumulation, Area & Volume Lab
Optimization & Related Rates Lab
Differential Equations Modeling Lab
Series & Taylor Approximation Lab

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Geometry 13 labs

Symmetry & Pattern Blocks Lab
Angle Builder Lab
Angle Relationships Lab
Shape Classifier Lab

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Computer Science 28 labs

Cybersecurity Lab
Network Reliability Lab
Sorting Performance Lab
Code Tracing Lab

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Applied Math 10 labs

Personal Budget Lab
Wealth Growth Lab
Consumer Credit Lab
Linear Programming Lab

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Chemistry
Gas Laws Lab Chemical Kinetics Lab Diffusion & Osmosis Lab Titration Lab Calorimetry Lab Serial Dilution Lab Spectroscopy Lab Atomic Emission Lab Chromatography Lab Electrochemistry Lab Stoichiometry Lab Equilibrium Lab Reaction Types Lab Thermochemistry Lab Buffer & Acid-Base Equilibrium Lab Phase Changes & Phase Diagram Lab Solubility & Ksp Lab
Physics
Thermodynamics Lab Brownian Motion Lab Heat Transfer Lab Pendulum Lab Hooke's Law Lab Atwood Machine Lab Buoyancy Lab Standing Waves Lab Diffraction & Slits Lab Blackbody Radiation Lab Quantum Tunneling Lab Circuit Builder Lab EM Induction Lab Friction & Inclined Plane Lab Momentum & Impulse Lab Geometric Optics Lab Electrostatics & Equipotential Mapping Lab Damped & Driven Oscillation Lab RC/RL Transients Lab Gravity & Orbits Lab Simple Machines & Mechanical Advantage Lab Gear Trains & Power Transmission Lab Hydraulics & Pascal's Law Lab Rotational Equilibrium & Torque Lab Mechanism Design Explorer Lab Magnetic Fields & Lorentz Force Lab Gauss's Law & Electric Flux Lab Fluid Dynamics & Bernoulli Lab Special Relativity Lab Atomic Orbitals Lab Magnets & Materials Lab Gravity & Falling Objects Lab Waves & Secret Messages Lab Pushes & Motion Lab Circuits for Kids Lab Light, Shadows & Materials Lab Communication Device Lab
Biology
Hardy-Weinberg & Natural Selection Lab Population Ecology Lab Enzyme Activity Lab Photosynthesis Lab Cellular Respiration Lab Mitosis & Meiosis Lab Biodiversity Lab Signal Transduction Lab Molecular Evolution Lab Plant Water Transport Lab Gene Regulation Lab Bacterial Transformation Lab Gel Electrophoresis Lab Fruit Fly Behavior Lab Energy Dynamics & Food Web Lab Artificial Selection Lab Mendelian Genetics & Punnett Square Lab DNA to Protein & Mutation Lab Plant Needs, Pollination & Seed Dispersal Lab Life Cycles Lab School Garden Ecosystem Inherited Traits & Variation Lab Plant & Animal Structures Lab Senses, Brain & Response Lab Animal Groups & Survival Lab Habitats & Adaptations Lab Needs of Living Things Lab Parent & Baby Animals Lab Nature-Inspired Design Lab
Earth Science
Water Quality Lab Greenhouse Effect & Climate Lab Air Pollution Lab Energy Tradeoffs Lab Groundwater Contamination Lab Soil Conservation Lab Earth History Lab Nutrient Cycling Lab Fertilizer Runoff Lab H-R Diagram & Stellar Classification Lab Spectroscopy, Redshift & Hubble Law Lab Exoplanet Transit & Habitable Zone Lab Moon Phases, Eclipses & Seasons Lab Telescope Resolution & Light Gathering Lab Weather Hazards & Safe Design Lab Water on Earth & Conservation Lab Clean Water Mission Playground Design Challenge Recycling Route Lab Weather Station Lab Constellations & Seasonal Sky Lab Fast vs Slow Earth Changes Lab Landforms & Map Reading Lab Natural Resources & Conservation Lab Reversible vs Irreversible Changes Lab Sun, Shadows & Daylight Lab Fossils & Ancient Environments Lab Weather Watcher & Clothing Lab Sun, Moon & Daylight Patterns Lab
Statistics
Graphs for Kids Lab Mean, Median & Mode Lab Hypothesis Testing Lab Normal Distribution Lab Line Plot & Fraction Data Lab Spinners, Dice & Probability Lab Sampling & Randomization Lab Bootstrap & Confidence Interval Lab Monte Carlo Simulation Lab A/B Testing Lab Regression Diagnostics Lab Categorical Data & Chi-Square Lab Exploratory Data & Distribution Lab Bayesian Inference Lab ANOVA & Experimental Design Lab Central Limit Theorem & Sampling Distributions Lab
Computer Science
Cybersecurity Lab Network Reliability Lab Sorting Performance Lab Code Tracing Lab Graph Theory & Networks Lab Automata & Formal Languages Lab Compression & Information Theory Lab Java Strings Lab Arrays & ArrayList Lab OOP & Class Design Lab Selection & Iteration Lab Boolean Algebra & Logic Gates Lab Recursion & Data Structures Lab Regex & Pattern Matching Lab Number Systems & Data Representation Lab Big-O & Algorithm Analysis Lab Pathfinding & Heuristic Search Lab Data Structures & Tree Traversal Lab Debugging & Unit Testing Lab Coding Mazes & Sequencing Lab Loops, Debugging & Animation Lab Digital Citizenship & Online Safety Lab How Messages Travel on the Internet Lab Computer Parts & Input/Output Lab Surveys, Charts & Data Stories Lab Variables & Scorekeeper Lab If/Then Choice Lab Pixel Art & Secret Messages Lab
Math
Matrix & Transformations Lab Polynomial & Rational Functions Lab Exponential & Logarithmic Modeling Lab Trigonometric & Polar Functions Lab Fraction Operations Lab Ratio, Proportion & Percent Lab Integer Operations Lab Equation Balance Lab Place Value & Scientific Notation Lab Probability & Combinatorics Lab Vector Spaces Lab Quadratic Functions & Parabolas Lab Systems of Equations Lab Function Transformations Lab Exponents & Radicals Lab Classroom Store Lab School Schedule & Elapsed Time Lab Recipe Fractions & Mixing Lab Measurement Detectives Lab Garden Area & Perimeter Lab Bar Graph Detective Lab Volume City Builder Lab Shape Detective & Angle Hunt Lab Coordinate Treasure Maps Lab Decimal Operations Mission Lab Number Bonds & Fact Families Lab Hundreds Chart & Skip Counting Lab Calendar & Dates Lab Thermometer & Temperature Lab Nonstandard Measurement Lab Partial Quotients & Remainders Lab Bar Model Word Problems Lab Ten-Frame & Subitizing Lab Count, Compare & Order Lab Teen Numbers Lab Number Path & Hop Count Lab Tally Marks & Pictograph Lab Shape Sorter & Compose Shapes Lab Positional Words & Map Directions Lab Balance Scale Lab Ordinal Numbers & Sequence Lab
Calculus
Accumulation, Area & Volume Lab Optimization & Related Rates Lab Differential Equations Modeling Lab Series & Taylor Approximation Lab Limits & Continuity Lab Derivatives & Tangent Lines Lab FTC & Net Change Lab Parametric, Polar & Vector Lab
Geometry
Symmetry & Pattern Blocks Lab Angle Builder Lab Angle Relationships Lab Shape Classifier Lab 3D Nets & Shape Folding Lab Pythagorean Theorem Lab Polygon Explorer Lab Congruence & Transformations Lab Similarity & Triangle Trig Lab Circle Theorems & Tangency Lab Geometric Constructions Lab Coordinate Geometry & Conics Lab 3D Measurement & Cavalieri Lab
Applied Math
Personal Budget Lab Wealth Growth Lab Consumer Credit Lab Linear Programming Lab Measurement & Uncertainty Lab Decision Trees & Risk Analysis Lab Queueing & Bottlenecks Lab Materials Engineering Challenge Lab Build-It-from-Pieces Lab Shade & Shelter Design Lab
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Lenses and Mirrors infographic - Ray Diagrams, Focal Points, and Image Formation

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Physics

Lenses and Mirrors

Ray Diagrams, Focal Points, and Image Formation

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