
Public learning track
Rotational Motion and Fluid Mechanics
7th Grade · Science · Open Global Science
7 lessons
Goal
Model circular motion dynamics, hydrostatic pressure, communicating vessels, and Archimedes' principle.
Featured Diagrams
Period and Frequency in Circular Motion
7 lessons
0 of 7 done
- 1Period and Frequency in Circular MotionUp nextStart
- 2Angular Velocity and Linear Speed in Circular MotionPremiumNot started yet
- 3Uniform Circular Motion and Centripetal AccelerationNot started yet
- 4Hydrostatic Pressure and Depth DependenceNot started yet
- 5Communicating Vessels and Pascal's PrincipleNot started yet
- 6Archimedes' Principle and Buoyant ForceNot started yet
- 7Conditions for Floating and SinkingNot started yet
Standards Covered
- OGS.8.PS.9Open Global Science Standards 2026™ · Science · Level 8 / Grade 7 (Age 12) · Grade 7Model uniform circular motion and rotational dynamics, calculating period, frequency, linear velocity, angular velocity, and centripetal force.
- OGS.8.PS.11Open Global Science Standards 2026™ · Science · Level 8 / Grade 7 (Age 12) · Grade 7Investigate fluid mechanics, hydrostatic pressure, communicating vessels, and Archimedes' principle, explaining the conditions for floating, sinking, and buoyant forces experimentally.
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.