Physics & Chemistry Kinetics
Motion, Gravitation & Reactions
88.6%
NCERT coverage
24
Direct matches
7
Semi matches
8
Sensors used
12
Chapters
Sensors used in Class 9
Matter in Our Surroundings
States of matter, particle nature, kinetic energy, changes of state, evaporation, latent heat
5
activities
Boiling Temperature of Water
Measure boiling point — latent heat plateau on graph
Freezing Temperature of Water
Measure freezing point — phase change
How Low Can You Go?
Freezing point depression — effect of impurities
Cooling Rates
Rate of temperature change — evaporative cooling
Heating of Land and Water
Different substances absorb heat differently
Is Matter Around Us Pure?
Mixtures, solutions, suspensions, colloids, separation techniques, concentration
3
activities
Conductivity of Solutions
Distinguish pure water from solutions by conductivity
Water Hardness Study
Test dissolved minerals — purity of water
A Good Cold Pack
Dissolving solute in solvent — solution formation
Atoms and Molecules
Laws of chemical combination, atomic mass, molecular mass, mole concept
0
activities
Theoretical/mathematical chapter; mole calculations, no sensor experiments
Structure of the Atom
Subatomic particles, Thomson/Rutherford models, Bohr model, electron configuration
0
activities
Theoretical atomic structure; emissions spectrometer could demo atomic spectra at advanced level
The Fundamental Unit of Life
Cell structure, organelles, cell membrane, nucleus, plant vs animal cell
0
activities
Microscopy-based chapter; no sensor experiments
Tissues
Plant tissues (meristematic, permanent), animal tissues (epithelial, connective, muscular, nervous)
0
activities
Microscopy and observation-based chapter
Motion
Distance, displacement, speed, velocity, acceleration, distance-time graphs, velocity-time graphs, equations of motion, circular motion
6
activities
Graphing Your Motion
Create real-time distance-time and velocity-time graphs
Speeding Up
Measure acceleration of rolling objects
The Indy 100
Calculate speed from distance-time data
Picket Fence Free Fall
Measure acceleration due to gravity — equations of motion
Ball Toss
Velocity-time graph analysis for projectile
Cart on a Ramp
Uniform acceleration on incline — v-t and s-t graphs
Force and Laws of Motion
Newton's first law (inertia), second law (F=ma), third law, momentum, conservation of momentum
5
activities
Newton's Second Law
Measure force and acceleration — verify F=ma
Newton's Third Law
Action-reaction pairs with two force sensors
Impulse and Momentum
Measure impulse and momentum change
Friction
Measure friction force as example of contact force
Cart on a Ramp
Force causing acceleration on incline
Gravitation
Universal law of gravitation, gravitational constant G, free fall, g, weight vs mass, buoyancy, Archimedes principle
3
activities
Picket Fence Free Fall
Measure g = 9.8 m/s2 experimentally
Ball Toss
Projectile under gravity — measure g
Buoyancy
Measure buoyant force — Archimedes' principle
Work and Energy
Work done by force, kinetic energy, potential energy, conservation of energy, power
3
activities
Work-Energy Theorem
Measure work done and kinetic energy — verify theorem
Conservation of Energy
Show PE converts to KE for falling/rolling object
First Class Levers
Work input vs output — mechanical advantage
Sound
Production, propagation, longitudinal waves, speed of sound, reflection (echo), range of hearing, ultrasound, human ear
4
activities
Speed of Sound
Measure speed of sound in air
Sound Beats
Visualize sound wave characteristics — frequency, amplitude
Sound Waves and Beats
Interference of sound waves — beats
Resonance Tube
Standing waves and resonance in tubes
Improvement in Food Resources
Crop improvement, animal husbandry, plant breeding, fish production
2
activities
Soil Study
Test soil conditions for crop growth
Water Hardness Study
Water quality for irrigation
Want the right sensors for Class 9?