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The Physics Classroom
The Physics Classroom serves students, teachers and classrooms by providing classroom-ready resources that utilize an easy-to-understand language that makes learning interactive and multi-dimensional. Written by teachers for teachers and students, The Physics Classroom provides a wealth of resources that meets the varied needs of both students and teachers.
https://www.physicsclassroom.com/
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The Physics Classroom
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The Physics Classroom serves students, teachers and classrooms by providing classroom-ready resources that utilize an easy-to-understand language that makes learning interactive and multi-dimensional. Written by teachers for teachers and students, The Physics Classroom provides a wealth of resources that meets the varied needs of both students and teachers.
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  1. THE PHYSICS CLASSROOM TUTORIAL
  2. PHYSICS SIMULATIONS
  3. PHYSICS VIDEO TUTORIAL
  4. MULTIMEDIA PHYSICS STUDIOS
  5. CONCEPT BUILDERS
  6. MINDS ON PHYSICS - VERSION 5  
  7. THE CALCULATOR PAD
  8. CONCEPT CHECKERS  
  9. THE REVIEW SESSION
  10. PHYSICS HELP
  11. ACT TEST CENTER
  12. CURRICULUM CORNER
  13. QUESTION BANK
  14. NGSS CORNER
  15. TEACHER TOOLKITS
  16. THE SCIENCE REASONING CENTER
  17. THE LABORATORY
  18. THE PHOTO GALLERY
  1. A Message for Teachers From The Physics Classroom
  2. What's New at The Physics Classroom?
  3. READ WATCH INTERACT
  4. TEACHER TOOLS
  5. PRACTICE REVIEW TEST
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  1. https://www.physicsclassroom.com/
  2. My Account
  3. TPC and eLearning
  4. What's NEW at TPC?
  5. Read Watch Interact
  6. Practice Review Test
  7. Teacher-Tools
  8. Store
  9. Subscription Selection
  10. Seat Calculator
  11. Ad Free Account
  12. My Cart
  13. Task Tracker
  14. Classes
  15. Course
  16. New Topic
  17. Student Progress
  18. Student Progress Edit
  19. Topic and Tasks
  20. Task Properties
  21. Export Student Progress
  22. Task Properties
  23. Task, Activities, and Scores
  24. Edit Profile Settings
  25. Tasks and Courses
  26. Subscriptions
  27. Subscription
  28. Subscription Locator
  29. Teacher Resources
  30. Concept Builder Questions
  31. Measurement and Units
  32. Metric Conversions Questions
  33. Metric System Questions
  34. Metric Estimation Questions
  35. Significant Digits Questions
  36. Relationships and Graphs
  37. Questions
  38. Proportional Reasoning
  39. Questions
  40. Questions
  41. Questions
  42. 1D Kinematics
  43. Acceleration
  44. Distance-Displacement
  45. Dots and Graphs
  46. Free Fall
  47. Graph That Motion
  48. Match That Graph
  49. Name That Motion
  50. Motion Diagrams
  51. Pos'n Time Graphs Numerical
  52. Pos'n Time Graphs Conceptual
  53. Questions
  54. Up And Down - Questions
  55. Questions
  56. Questions
  57. Questions
  58. Newton's Laws
  59. Balanced vs. Unbalanced Forces
  60. Change of State
  61. Fnet = m•a
  62. Force and Motion
  63. Mass and Weight
  64. Match That Free-Body Diagram
  65. Net Force (and Acceleration) Ranking Tasks
  66. Newton's Second Law
  67. Normal Force Card Sort
  68. Recognizing Forces
  69. Air Resistance and Skydiving
  70. Solve It! with Newton's Second Law
  71. Which One Doesn't Belong?
  72. Vectors and Projectiles
  73. Component Addition Questions
  74. Head-to-Tail Vector Addition
  75. Projectile Mathematics
  76. Trajectory - Angle Launched Projectiles
  77. Trajectory - Horizontally Launched Projectiles
  78. Vector Addition
  79. Vector Direction
  80. Which One Doesn't Belong? Projectile Motion
  81. Forces in 2-Dimensions
  82. Momentum and Collisions
  83. Being Impulsive About Momentum
  84. Explosions - Law Breakers
  85. Hit and Stick Collisions - Law Breakers
  86. Case Studies: Impulse and Force
  87. Impulse-Momentum Change Table
  88. Keeping Track of Momentum - Hit and Stick
  89. Keeping Track of Momentum - Hit and Bounce
  90. Momentum
  91. Work and Energy
  92. What's Up (and Down) with KE and PE?
  93. Energy Conservation Questions
  94. Energy Dissipation Questions
  95. Energy Ranking Tasks
  96. LOL Charts (a.k.a., Energy Bar Charts)
  97. Match That Bar Chart
  98. Words and Charts Questions
  99. Name That Energy
  100. Stepping Up with PE and KE Questions
  101. Work
  102. Circular and Satellite Motion
  103. Case Studies - Circular Motion
  104. Circular Logic
  105. Forces and Free-Body Diagrams in Circular Motion
  106. Gravitational Field Strength
  107. Universal Gravitation
  108. Rotation and Balance
  109. Getting a Handle on Torque
  110. Torque-ing About Rotation
  111. Static Electricity
  112. Balloon Interactions
  113. Charge and Charging
  114. Charge Interactions
  115. Charging by Induction
  116. Conductors and Insulators
  117. Coulombs Law
  118. Electric Field
  119. Electric Field Intensity
  120. Polarization
  121. Electric Circuits
  122. Current
  123. Case Studies: Electric Power
  124. Know Your Potential
  125. Light Bulb Anatomy
  126. I = ∆V/R Equations as a Guide to Thinking
  127. Parallel Circuits - ∆V = I•R Calculations
  128. Resistance Ranking Tasks
  129. Series Circuits - ∆V = I•R Calculations
  130. Series vs. Parallel Circuits
  131. Equivalent Resistance
  132. Waves and Sound
  133. Decibel Scale
  134. Frequency and Period
  135. Closed-End Air Columns
  136. Questions
  137. Name That Harmonic: Strings
  138. Rocking the Boat
  139. Wave Basics
  140. Matching Pairs: Wave Characteristics
  141. Wave Interference
  142. Wavelength
  143. Waves - Case Studies
  144. Light and Color
  145. Color Addition and Subtraction
  146. Color Filters
  147. If This, Then That: Color Subtraction
  148. Light Intensity
  149. Color Pigments
  150. Spectrum
  151. Reflection and Refraction
  152. Converging Lenses
  153. Curved Mirror Images
  154. Law of Reflection
  155. Refraction and Lenses
  156. Total Internal Reflection
  157. Who Can See Who?
  158. Chemistry
  159. Formulas and Atom Counting
  160. Atomic Models
  161. Bond Polarity
  162. Entropy Questions
  163. Cell Voltage Questions
  164. Heat of Formation Questions
  165. Reduction Potential Questions
  166. Oxidation States Questions
  167. Measuring the Quantity of Heat
  168. Hess's Law
  169. Oxidation-Reduction Questions
  170. Galvanic Cells Questions
  171. Thermal Stoichiometry
  172. Molecular Polarity
  173. Quantum Mechanics
  174. Balancing Chemical Equations
  175. Bronsted-Lowry Model of Acids and Bases
  176. Classification of Matter
  177. Collision Model of Reaction Rates
  178. Density Ranking Tasks
  179. Dissociation Reactions
  180. Complete Electron Configurations
  181. Enthalpy Change Questions
  182. Equilibrium Concept
  183. Equilibrium Constant Expression
  184. Equilibrium Calculations - Questions
  185. Equilibrium ICE Table
  186. Ionic Bonding
  187. Isotopes
  188. Questions
  189. Lewis Electron Dot Structures
  190. Line Spectra Questions
  191. Measurement and Numbers
  192. Metals, Nonmetals, and Metalloids
  193. Metric Conversions Questions
  194. Metric Estimations
  195. Metric System
  196. Molarity Ranking Tasks
  197. Molar Mass
  198. Molarity Ranking Tasks
  199. Mole Conversions
  200. Name That Element
  201. Names to Formulas
  202. Names to Formulas 2
  203. Nuclear Decay
  204. Particles, Words, and Formulas
  205. Periodic Trends
  206. pH and pOH
  207. Precipitation Reactions and Net Ionic Equations
  208. Pressure Concepts
  209. Pressure-Temperature Gas Law
  210. Pressure-Volume Gas Law
  211. Chemical Reaction Types
  212. Significant Digits and Measurement
  213. States Of Matter Exercise
  214. Stoichiometry - Math Relationships
  215. Subatomic Particles
  216. Spontaneity and Driving Forces
  217. Gibbs Free Energy
  218. Volume-Temperature Gas Law
  219. Acid-Base Properties
  220. Energy and Chemical Reactions
  221. Chemical and Physical Properties
  222. Valence Shell Electron Pair Repulsion Theory
  223. Writing Balanced Chemical Equations
  224. MOP Teacher Preview
  225. ModuleNameGoesHere
  226. Mission CG1
  227. Mission CG10
  228. Mission CG2
  229. Mission CG3
  230. Mission CG4
  231. Mission CG5
  232. Mission CG6
  233. Mission CG7
  234. Mission CG8
  235. Mission CG9
  236. Electric Circuits
  237. Mission EC1
  238. Mission EC10
  239. Mission EC11
  240. Mission EC12
  241. Mission EC2
  242. Mission EC3
  243. Mission EC4
  244. Mission EC5
  245. Mission EC6
  246. Mission EC7
  247. Mission EC8
  248. Mission EC9
  249. Kinematic Graphing
  250. Mission RL1
  251. Mission RL2
  252. Mission RL3
  253. Mission RL4
  254. Mission RL5
  255. Mission RL6
  256. Mission KG7
  257. Mission RL8
  258. Mission KG9
  259. Mission RL10
  260. Mission RL11
  261. Mission RM1
  262. Mission RM2
  263. Mission RM3
  264. Mission RM4
  265. Mission RM5
  266. Mission RM6
  267. Mission RM8
  268. Mission RM10
  269. Mission LC1
  270. Mission RM11
  271. Mission LC2
  272. Mission LC3
  273. Mission LC4
  274. Mission LC5
  275. Mission LC6
  276. Mission LC8
  277. Mission SM1
  278. Mission SM2
  279. Mission SM3
  280. Mission SM4
  281. Mission SM5
  282. Mission SM6
  283. Mission SM8
  284. Mission SM10
  285. Mission KG10
  286. Mission SM11
  287. Mission KG2
  288. Mission KG3
  289. Mission KG4
  290. Mission KG5
  291. Mission KG6
  292. Mission KG8
  293. Mission KG10
  294. Mission KG11
  295. Forces in 2 Dimensions
  296. Mission F2D1
  297. Mission F2D2
  298. Mission F2D3
  299. Mission F2D4
  300. Mission F2D5
  301. Mission F2D6
  302. Kinematic Concepts
  303. Mission KC1
  304. Mission KC2
  305. Mission KC3
  306. Mission KC4
  307. Mission KC5
  308. Mission KC6
  309. Mission KC7
  310. Mission KC8
  311. ModuleNameGoesHere
  312. Mission AAA
  313. Mission AAA
  314. Mission AAA
  315. Mission AAA
  316. Mission AAA
  317. Mission AAA
  318. Mission AAA
  319. Mission AAA
  320. Mission SM9
  321. Mission AAA
  322. Mission AAA
  323. Mission AAA
  324. Light Waves and Color
  325. Mission LC1
  326. Mission LC2
  327. Mission LC3
  328. Mission LC4
  329. Mission LC5
  330. Mission LC6
  331. Mission LC7
  332. Mission LC8
  333. Mission LC9
  334. ModuleNameGoesHere
  335. Mission AAA
  336. Mission AAA
  337. Mission AAA
  338. Mission AAA
  339. Mission AAA
  340. Mission AAA
  341. Mission AAA
  342. Mission AAA
  343. Mission AAA
  344. Mission AAA
  345. Mission AAA
  346. Mission AAA
  347. Newton's Laws of Motion
  348. Mission NL1
  349. Mission NL2
  350. Mission NL3
  351. Mission NL4
  352. Mission NL5
  353. Mission NL6
  354. Mission NL7
  355. Mission NL8
  356. Mission NL9
  357. Mission NL10
  358. Mission NL11
  359. Mission NL12
  360. Momentum and Collisions
  361. Mission MC1
  362. Mission MC10
  363. Mission MC2
  364. Mission MC3
  365. Mission MC4
  366. Mission MC5
  367. Mission MC6
  368. Mission MC7
  369. Mission MC8
  370. Mission MC9
  371. Reflection and Mirrors
  372. Mission RM1
  373. Mission RM2
  374. Mission RM3
  375. Mission RM4
  376. Mission RM5
  377. Mission RM6
  378. Mission RM7
  379. Mission RM8
  380. Mission RM9
  381. Mission RM10
  382. Mission RM11
  383. Refraction and Lenses
  384. Mission RL1
  385. Mission RL2
  386. Mission RL3
  387. Mission RL4
  388. Mission RL5
  389. Mission RL6
  390. Mission RL7
  391. Mission RL8
  392. Mission RL9
  393. Mission RL10
  394. Mission RL11
  395. Sound Waves and Music
  396. Mission SM1
  397. Mission SM2
  398. Mission SM4
  399. Mission SM3
  400. Mission SM5
  401. Mission SM6
  402. Mission SM8
  403. Mission SM7
  404. Mission SM9
  405. Mission SM10
  406. Mission SM11
  407. Static Electricity
  408. Mission SE1
  409. Mission SE10
  410. Mission SE11
  411. Mission SE12
  412. Mission AAA2
  413. Mission 3
  414. Mission SE4
  415. Mission SE5
  416. Mission SE6
  417. Mission SE7
  418. Mission SE8
  419. Mission SE9
  420. Vectors and Projectiles
  421. Mission VP1
  422. Mission VP10
  423. Mission VP2
  424. Mission VP3
  425. Mission VP4
  426. Mission VP5
  427. Mission VP6
  428. Mission VP7
  429. Mission VP8
  430. Mission VP9
  431. Wave Motion
  432. Mission WM1
  433. Mission WM2
  434. Mission WM3
  435. Mission WM4
  436. Mission WM5
  437. Mission WM6
  438. Mission WM7
  439. Mission WM8
  440. Work and Energy
  441. Mission WE1
  442. Mission WE10
  443. Mission WE2
  444. Mission WE3
  445. Mission WE4
  446. Mission WE5
  447. Mission WE6
  448. Mission WE7
  449. Mission WE8
  450. Mission WE9
  451. Concept Checkers - Teacher Preview
  452. Concept Checkers for Simulations
  453. Name That Motion Interactive
  454. Graph That Motion Interactive
  455. Rocket Sled Concept Checker
  456. Force Concept Checker
  457. Free-Body Diagrams Concept Checker
  458. Skydiving Concept Checker
  459. Elevator Ride Concept Checker
  460. Vector Addition Concept Checker
  461. Name That Vector Interactive
  462. River Boat Simulator Concept Checker
  463. Projectile Simulator 2 Concept Checker
  464. Projectile Simulator 3 Concept Checker
  465. Balance It Interactive
  466. Go For The Gold Interactive
  467. Egg Drop Concept Checker
  468. Fish Catch Concept Checker
  469. Exploding Carts Concept Checker
  470. Collision Carts - Inelastic Collisions Concept Checker
  471. Collision Carts - Inelastic Collisions Concept Checker
  472. Its All Uphill Concept Checker
  473. Stopping Distance Concept Checker
  474. Chart That Motion Interactive
  475. Roller Coaster Model Concept Checker
  476. Uniform Circular Motion Concept Checker
  477. Horizontal Circle Simulation Concept Checker
  478. Race Track Concept Checker
  479. Gravitational Fields Concept Checker
  480. Orbital Motion Concept Checker
  481. Aluminum Can Polarization Concept Checker
  482. Charging Concept Checker
  483. Name That Charge Simulation
  484. Coulomb's Law Concept Checker
  485. Electric Field Lines Concept Checker
  486. Put the Charge in the Goal Concept Checker
  487. Circuit Builder Concept Checker (Series Circuits)
  488. Circuit Builder Concept Checker (Parallel Circuits)
  489. Circuit Builder Concept Checker (∆V-I-R)
  490. Circuit Builder Concept Checker (Voltage Drop)
  491. Equivalent Resistance Interactive
  492. Slinky Wave Simulator Concept Checker
  493. Simple Wave Simulator Concept Checker
  494. Wave Addition Simulation Concept Checker
  495. Color Addition Concept Checker
  496. Painting With CMY Concept Checker
  497. Stage Lighting Concept Checker
  498. Filtering Away Concept Checker
  499. Young's Experiment Interactive
  500. Who Can See Who Concept Checker
  501. Optics Bench (Mirrors) Concept Checker
  502. Name That Image (Mirrors) Interactive
  503. Refraction Concept Checker
  504. Total Internal Reflection Concept Checker
  505. Optics Bench (Lenses) Concept Checker
  506. Task Tracker Directions
  507. Gaining Teacher Access
  508. TPC and eLearning
  509. What's NEW at TPC?
  510. Read Watch Interact
  511. Physics Tutorial
  512. 1-D Kinematics
  513. Newton's Laws
  514. Vectors - Motion and Forces in Two Dimensions
  515. Momentum and Its Conservation
  516. Work and Energy
  517. Circular Motion and Satellite Motion
  518. Thermal Physics
  519. Static Electricity
  520. Electric Circuits
  521. Vibrations and Waves
  522. Sound Waves and Music
  523. Light and Color
  524. Reflection and Mirrors
  525. Refraction and Lenses
  526. Physics Interactives
  527. About the Physics Interactives
  528. Task Tracker
  529. Usage Policy
  530. Kinematics
  531. Newtons Laws
  532. Vectors and Projectiles
  533. Forces in 2D
  534. Momentum and Collisions
  535. Work and Energy
  536. Circular and Satellite Motion
  537. Balance and Rotation
  538. Static Electricity
  539. Electric Circuits
  540. Magnetism
  541. Waves and Sound
  542. Light and Color
  543. Reflection and Mirrors
  544. Refraction and Lenses
  545. Chemistry
  546. Video Tutorial
  547. Kinematics
  548. Newton's Laws
  549. Vectors and Projectiles
  550. Forces in Two Dimensions
  551. Momentum and Collisions
  552. Work, Energy, and Power
  553. Circular Motion and Gravitation
  554. Static Electricity
  555. Electric Circuits
  556. Light and Color
  557. Reflection and Mirrors
  558. Refraction and Lenses
  559. Multimedia Studios
  560. 1-Dimensional Kinematics
  561. Newton's Laws
  562. Vectors and Projectiles
  563. Momentum and Collisions
  564. Work and Energy
  565. Circular, Satellite, and Rotational Motion
  566. Einstein's Theory of Special Relativity
  567. Static Electricity
  568. Waves, Sound and Light
  569. Ray Optics
  570. QuickTime Movies
  571. Practice Review Test
  572. Concept Builders
  573. About the Concept Builders
  574. Version 2
  575. Pricing For Schools
  576. Directions for Version 2
  577. Measurement and Units
  578. Relationships and Graphs
  579. Kinematics
  580. Newton's Laws
  581. Vectors and Projectiles
  582. Forces in 2-Dimensions
  583. Momentum and Collisions
  584. Work and Energy
  585. Circular and Satellite Motion
  586. Rotation and Balance
  587. Static Electricity
  588. Electric Circuits
  589. Waves and Sound
  590. Light and Color
  591. Reflection and Refraction
  592. Chemistry
  593. Minds On Physics
  594. About MOPs
  595. Features
  596. Teacher Accounts
  597. Pricing For Schools
  598. Task Tracker Directions
  599. Kinematic Concepts
  600. Kinematic Graphing
  601. Newton's Laws
  602. Vectors and Projectiles
  603. Forces in 2-Dimensions
  604. Momentum and Collisions
  605. Work and Energy
  606. Circular and Satellite Motion
  607. Static Electricity
  608. Electric Circuits
  609. Wave Motion
  610. Sound and Music
  611. Light and Color
  612. Reflection and Mirrors
  613. Refraction and Lenses
  614. Calculator Pad
  615. About CalcPad
  616. Teacher Accounts
  617. Pricing For Schools
  618. Directions
  619. 1D Kinematics
  620. Newton's Laws
  621. Vectors and Projectiles
  622. Vectors and Forces in 2D
  623. Momentum and Collisions
  624. Work, Energy, and Power
  625. Circular Motion and Gravitation
  626. Rotational Kinematics
  627. Rotation and Torque
  628. Static Electricity
  629. Electric Circuits
  630. Vibrations and Waves
  631. Sound Waves
  632. Light Waves
  633. Reflection and Mirrors
  634. Refraction and Lenses
  635. Units and Measurement
  636. Mole Conversions
  637. Stoichiometry
  638. Molarity and Solutions
  639. Gas Laws
  640. Thermal Chemistry
  641. Acids and Bases
  642. Kinetics and Equilibrium
  643. Concept Checkers
  644. Task Tracker Directions
  645. The Review Session
  646. 1-D Kinematics
  647. Newton's Laws of Motion
  648. Vectors and Projectiles
  649. Forces in Two Dimensions
  650. Momentum and Collisions
  651. Work and Energy Packet
  652. Circular Motion and Gravitation
  653. Static Electricity Review
  654. Electric Circuits
  655. Waves
  656. Sound and Music
  657. Light and Color
  658. Reflection and Mirrors
  659. Refraction and Lenses
  660. Physics Help
  661. Graphing Practice
  662. Recognizing Forces
  663. Vector Direction
  664. Vector Addition
  665. ACT Test Center
  666. About the ACT
  667. ACT Preparation
  668. ACT Tips
  669. For Teachers
  670. Other Resources
  671. Teacher-Tools
  672. Curriculum Corner
  673. Solutions Guide
  674. Solutions Guide Digital Download
  675. Usage Policy
  676. Motion in One Dimension
  677. Newton's Laws
  678. Vectors and Projectiles
  679. Forces in Two Dimensions
  680. Momentum and Collisions
  681. Work, Energy and Power
  682. Circular Motion and Gravitation
  683. Static Electricity
  684. Electric Circuits
  685. Wave Basics
  686. Sound and Music
  687. Light and Color
  688. Reflection and Mirrors
  689. Refraction and Lenses
  690. Question Bank
  691. Contents
  692. Purchasing the CD
  693. Purchasing the Digital Download
  694. NGSS Corner
  695. About the NGSS Corner
  696. NGSS Search
  697. Force and Motion DCIs - High School
  698. Energy DCIs - High School
  699. Wave Applications DCIs - High School
  700. Force and Motion PEs - High School
  701. Energy PEs - High School
  702. Wave Applications PEs - High School
  703. Crosscutting Concepts
  704. The Practices
  705. Physics Topics
  706. NGSS Corner: Activity List
  707. NGSS Corner: Infographics
  708. Teacher Toolkits
  709. About the Toolkits
  710. Position-Velocity-Acceleration
  711. Position-Time Graphs
  712. Velocity-Time Graphs
  713. Free Fall
  714. Newton's First Law
  715. Newton's Second Law
  716. Newton's Third Law
  717. Terminal Velocity
  718. Vectors
  719. Projectile Motion
  720. Forces in 2 Dimensions
  721. Impulse and Momentum Change
  722. Momentum Conservation
  723. Work-Energy Fundamentals
  724. Work-Energy Relationship
  725. Circular Motion
  726. Roller Coaster Physics
  727. Universal Gravitation
  728. Satellite Motion
  729. Charge and Charging
  730. Coulombs Law
  731. Electric Fields
  732. Circuit Concepts
  733. Series Circuits
  734. Parallel Circuits
  735. Vibrational Motion
  736. Describing-Waves
  737. Wave Behavior Toolkit
  738. Standing Wave Patterns
  739. Sound Waves
  740. Resonating Air Columns
  741. Wave Model of Light
  742. Color
  743. Plane Mirrors
  744. Curved Mirrors
  745. Snells Law
  746. Total Internal Reflection
  747. Lenses
  748. Reasoning Center
  749. Philosophy
  750. CRS
  751. Usage
  752. Resource CD
  753. The Laboratory
  754. About
  755. Teacher Guide
  756. Using Lab Notebooks
  757. Share
  758. The Photo Gallery
  759. 1-D Kinematics
  760. Newton's Laws
  761. Vectors - Motion and Forces in Two Dimensions
  762. Momentum and Its Conservation
  763. Work, Energy, and Power
  764. Circular Motion and Satellite Motion
  765. Thermal Physics
  766. Static Electricity
  767. Current Electricity
  768. Waves
  769. Sound Waves and Music
  770. Light Waves and Color
  771. Reflection and Ray Model of Light
  772. Refraction and Ray Model of Light
  773. Store
  774. Subscription Selection
  775. Seat Calculator
  776. Ad Free Account
  777. My Cart
  778. Task Tracker
  779. Classes
  780. Edit Profile Settings
  781. Tasks and Courses
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