Physical Sciences for NGSS

  • Science Practices
    • Challenge Question
    • 1 The Nature of Science
    • 2 Systems and System Models
    • 3 Observations, Hypotheses, and Assumptions
    • 4 Measurement and Units
    • 5 Useful Concepts in Physical Science
    • 6 Accuracy and Precision
    • 7 Working with Numbers
    • 8 Graphical Analysis
    • 9 Describing the Data
    • 10 Investigations in Physics
    • 11 Ratio and Proportion in Chemistry
    • 12 Safety in the Lab
    • 13 Standard Equipment in Chemistry
    • 14 Investigations in Chemistry
    • 15 Measurement and Quantitative Analysis
    • 16 The Periodic Table
  • Structure and Properties of Matter
    • Challenge Question
    • 17 Salt on Those?
    • 18 What is Matter?
    • 19 Introduction to the Atom
    • 20 Atomic Theory and Rutherford's Experiment
    • 21 Atomic Structure
    • 22 Atomic Models and Valence Electrons
    • 23 Exploring the Periodic Table
    • 24 Trends in the Periodic Table
    • 25 Valence Electrons and Reactivity
    • 26 Bonding
    • 27 Ionic Bonding
    • 28 Covalent Bonding
    • 29 Molecular Shape
    • 30 Intramolecular and Intermolecular Forces
    • 31 Comparing Substances
    • 32 Review your Understanding
    • 33 Summing Up
  • Chemical Reactions
    • Challenge Question
    • 34 Antacid Chemistry
    • 35 Using Mass to Determine Quantity
    • 36 The Mole
    • 37 Using Molar Mass
    • 38 Empirical Formulae
    • 39 Percentage Composition
    • 40 Balancing Equations
    • 41 Stoichiometry
    • 42 Stoichiometry
    • 43 Creating Standard Solutions
    • 44 Verifying a Claim
    • 45 Reaction Rates
    • 46 Energy in Chemical Reactions
    • 47 Enthalpy and Chemical Reactions
    • 48 Bond Energies
    • 49 Reversible Reactions
    • 50 Equilibrium Reactions
    • 51 Le Châtelier's Principle
    • 52 Industrial Equilibria
    • 53 Acids and Bases
    • 54 Review your Understanding
    • 55 Summing Up
  • Nuclear Processes
    • Challenge Question
    • 56 Nuclear Power
    • 57 Inside the Nucleus
    • 58 Isotopes
    • 59 Radioactive Decay
    • 60 Fission and Chain Reactions
    • 61 Fission vs Fusion
    • 62 Review your Understanding
    • 63 Summing Up
  • Forces and Motion
    • Challenge Question
    • 64 Breaking Bricks
    • 65 Distance and Displacement
    • 66 Speed and Velocity
    • 67 Acceleration
    • 68 Introduction To Forces
    • 69 Newton's Second Law
    • 70 Newton's Third Law
    • 71 Introduction to Momentum
    • 72 Investigating Collisions
    • 73 Law of Conservation of Momentum
    • 74 Impulse
    • 75 Crumple Zones and Crash Helmets
    • 76 Review your Understanding
    • 77 Summing Up
  • Types of Interactions
    • Challenge Question
    • 78 Force Field
    • 79 Gravity
    • 80 Newton's Law of Gravitation
    • 81 Objects of Attraction
    • 82 Coulomb's Law
    • 83 Electric Fields
    • 84 Magnetism
    • 85 Understanding Magnetism
    • 86 Electricity and Magnetism
    • 87 Magnetic Fields
    • 88 Generators and Motors
    • 89 Forces in Materials
    • 90 Review Your Understanding
    • 91 Summing Up
  • Definitions of Energy
    • Challenge Question
    • 92 The Physics of Amusement Parks
    • 93 Types of Energy
    • 94 The Physics of Work
    • 95 The Work-Kinetic Energy Theorem
    • 96 Stored Energy
    • 97 Conservation of Energy
    • 98 Pendulums
    • 99 Efficiency
    • 100 Review Your Understanding
    • 101 Summing Up
  • Conservation of Energy and Energy Transfer
    • Challenge Question
    • 102 Winds of Change
    • 103 The First Law of Thermodynamics
    • 104 The Second Law of Thermodynamics
    • 105 Modeling Energy Flow
    • 106 Work and Power
    • 107 Energy and Power Plants
    • 108 Energy Conversion Devices
    • 109 Review your Understanding
    • 110 Summing Up
  • Wave Properties
    • Challenge Question
    • 111 Rogue Waves
    • 112 Properties of Waves
    • 113 The Speed of Sound
    • 114 Sound and Hearing
    • 115 The Doppler Effect
    • 116 Wave Reflection and Interference
    • 117 Diffraction and Interference
    • 118 Digitizing Waves
    • 119 Review You Understanding
    • 120 Summing Up
  • Electromagnetic Radiation
    • Challenge Question
    • 121 Photovoltaic
    • 122 The Electromagnetic Spectrum
    • 123 Evaluate a claim
    • 124 High Energy Waves and Health
    • 125 Duality of Light
    • 126 Review your Understanding
    • 127 Summing Up
  • Information Technologies and Instrumentation 
    • Challenge Question
    • 128 Data and EM Waves
    • 129 Waves and Technology
    • 130 Transmitting Information With Waves