
Public learning track
Dynamics, Newton's Laws, and Friction
7th Grade · Science · Open Global Science
8 lessons
Goal
Apply Newton's three laws of motion, momentum conservation, and friction models to describe object dynamics.
Featured Diagrams
Balanced and Unbalanced Forces and Free-Body Diagrams
8 lessons
0 of 8 done
- 1Balanced and Unbalanced Forces and Free-Body DiagramsUp nextStart
- 2Newton's First Law and Inertial Reference FramesPremiumNot started yet
- 3Newton's Second Law: Calculating Force, Mass, and AccelerationNot started yet
- 4Newton's Third Law and Action-Reaction PairsNot started yet
- 5Momentum and the Law of Momentum ConservationNot started yet
- 6Static Versus Kinetic Friction MechanismsNot started yet
- 7Experimental Testing of Normal Force and FrictionNot started yet
- 8Fluid Drag and Terminal VelocityNot started yet
Standards Covered
- OGS.8.PS.7Open Global Science Standards 2026™ · Science · Level 8 / Grade 7 (Age 12) · Grade 7Analyze the effects of balanced and unbalanced forces on the motion of objects using Newton's laws of motion, momentum conservation, and vector resolution in inertial and non-inertial reference frames.
- OGS.8.PS.8Open Global Science Standards 2026™ · Science · Level 8 / Grade 7 (Age 12) · Grade 7Investigate friction (static and kinetic) and resistive forces, analyzing their dependence on normal force and surface characteristics through experimental testing.
Curriculum Framework
7th Grade · Science · Open Global Science
1
8 lessons
Matter, Density, and Kinetic-Molecular Theory
Explain states of matter, thermal expansion, diffusion, and Brownian motion using particle models, and calculate mass, volume, and density.
2
7 lessons
Pure Substances, Mixtures, and the Periodic Table
Classify matter into elements, compounds, and mixtures, use chemical formulas, and apply periodic trends to predict reactivity.
3
6 lessons
Inorganic Compounds, Acids, Bases, and Salts
Analyze inorganic classes, electrolytic dissociation, pH balance, and neutralization reactions.
4
7 lessons
Kinematics: One- and Two-Dimensional Motion
Analyze motion using scalar and vector quantities, calculate velocity and acceleration, and interpret kinematic graphs.
5
8 lessons
Dynamics, Newton's Laws, and Friction
Apply Newton's three laws of motion, momentum conservation, and friction models to describe object dynamics.
6
7 lessons
Rotational Motion and Fluid Mechanics
Model circular motion dynamics, hydrostatic pressure, communicating vessels, and Archimedes' principle.
7
9 lessons
Work, Power, Energy, and Oscillations
Calculate mechanical work, power, kinetic and potential energy, simple machine efficiency, and simple harmonic oscillations.
8
8 lessons
Thermal Physics and Thermodynamics
Investigate conduction, convection, radiation, specific heat, latent heat, and thermodynamic laws.
9
10 lessons
Electrostatics and Direct-Current Circuits
Analyze electric charges, fields, potentials, and construct DC circuits using Ohm's, Joule's, and Kirchhoff's laws.
10
7 lessons
Electromagnetism, Induction, and AC Systems
Investigate magnetic fields, electromagnetic induction, motors, transformers, relays, and alternating current.
11
7 lessons
Wave Phenomena and Geometric Optics
Model wave behaviors including interference, diffraction, Doppler effect, reflection, refraction, and optical technologies.
12
11 lessons
Quantum Phenomena and Nuclear Physics
Analyze wave-particle duality, atomic emission/absorption spectra, radioactive decay, nuclear reactions, and mass-energy equivalence.