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Physics Experiments for Class 8

Students studying in the 9th standard have to study Physics as part of their school curriculum. Doing projects and experiments on Physics-related topics can be very useful for them for understanding the elementary concepts better. Not only will they get a wider knowledge of the basic ideas, but they will also experience the joy of doing experiments in the classroom and in school laboratories.

  1. Tired of Noise: to find out the best sound absorbing pattern. The rectangular and triangular patterns absorbed the most sound before reflection. The peaked surface proved to be the worst absorber.
  2. Long and Short Wavelength Colors
  3. Blackbody Thermal Emission
  4. The Solar Heating and Night Cooling of Surfaces
  5. Build a Solar Oven: Use solar power to cook food with a simple homemade pizza box.
  6. Does the Rate of Heating Have an Affinity for Salinity
  7. Electronic Eye
  8. A Dying Star: to determine which Solar System objects would be most viable during various stages of stellar evolution. Another goal of the research was to analyze the process for gauging feasibility in extra-solar planetary research.
  9. Analysis of Voice Frequency across Ethnic Identities
  10. A New Perspective with a Digital Pinhole
  11. Direct Solar Pool Heater: to show the advantages of heating a pool using a Direct Solar Pool Heater; it is seen that a pool of water with the DSPH will warm up to a higher temperature than the same without the DSPH simply because the black fabric of the DSPH absorbs more and reflects less solar energy than the light colored pool walls or bottom.
  12. Across the Universe
  13. Cosmic Ray Shower Array Reconstruction
  14. Stellar Parallax
  15. The Greenhouse Effect
  16. The Study of Alternating Magnetic Fields
  17. Solar Tubes vs. Conventional Fluorescent
  18. Measuring the Speed of Light
  19. How to make a simple motor
  20. Does the temperature of magnets affect their strength?
  21. How to make a PV pipe instrument
  22. Changing the period of a pendulum
  23. How to make a periscope
  24. Plane mirror reflection experiment
  25. Conversion of gravitational potential energy into mechanical energy
  26. Using Sound to Measure Temperature
  27. To Study the Variation of Electrical Resistance: to show that the resistance of the electrolyte solution decreases with increase in concentration.
  28. To Determining the Time Constant for an RC Circuit
  29. How do different materials affect air resistance?
  30. Exploring static electricity with sticky balloons
  31. Relationship between distance and time of a falling object
  32. To Demonstrate the Production of Induced EAIF
  33. To Demonstrate The Phenomenon Of Total Interval Reflection
  34. How to make a rubber band car
  35. Comparison of Thermal Conductivity for Different Metals
  36. Observations of Gas in the Infrared Spectrum
  37. How Fish Achieve Neutral Buoyancy: to understand how fish and other marine mammals achieve neutral buoyancy. It is believed that if you change the static lift of an object then it should be able to reach neutral buoyancy.
  38. Frequency Relationship of Notes in Musical Harmony
  39. Standing Waves
  40. Building a better battery
  41. Does the Temperature of a Magnet Affect Its Strength
  42. Zero Gravity Elevator Experiment
  43. Acceleration on an Inclined Plane
  44. Magnifying power and focal length of a lens
  45. How fast does light travel in water vs. air?
  46. Are two magnets twice as strong as one?
  47. The Most Efficient Automobile Sunshade
  48. The Liquid Lens
  49. Study of Diffusion of Solids in Liquids
  50. Refractive Indices of Water And Turpentine Oil: to find the refractive indices of water and turpentine oil using a plane mirror, an equi-convex lens (made from a glass of known refractive index) and an adjustable object needle.
  51. Study of Constituents of Alloys
  52. Photo-resistor
  53. What kind of paper airplane works best?
  54. How does gravity affect balance?
  55. Does hot water freeze faster than cold water
  56. How can you stop electromagnetic radiation from penetrating a certain area.
  57. Make a Telescope
  58. Logic Gate
  59. Investigate the Relation between Output and Input Voltage
  60. Exploring Evaporation through Colors
  61. Viscosity and Volcanoes
  62. How Do Different Color Filters Affect the Energy of a Laser Beam
  63. Effect of Bottom Reflectivity on Solar Pond Performance
  64. Using Sound to Measure Temperature
  65. How sound travels through air and solids
  66. How to calculate the speed of sound
  67. How to create a Visual Doppler
  68. How to use colored filters to send secret messages
  69. Testing Sound Decay in Different Gasses
  70. Density’s Effect on Amplitude
  71. Insulation Value
  72. Living Color: white light and additive colors comes from the primary colors.
  73. Light Reflection and Refraction off Liquids
  74. Magnetic Force
  75. Effect of magnetism on regeneration
  76. Can you cook using only sunlight?
  77. Finding the materials with the most static electricity
  78. Does length have an effect on speed?
  79. Quantifying the Effect of Tungsten Illumination on Color Rendering of Low-Pressure Sodium
  80. Color vs. Heat Absorption: to see which colored jars have high emissivity and which colors radiate heat the fastest by performing independent tests for heating and cooling some colored jars.
  81. Wavelength Controlled Holographic Polarization
  82. Swing, Pendulum, Swing
  83. Creating Sound with Heat
  84. Doppler Effect and the Fiber Gyroscope
  85. Radioactive Attenuation and the Inverse Square Law
  86. Effect of Color on the Characteristics of a Heat Barrier Material
  87. Effect of Electric Fields on the Heat of Vaporization of Water
  88. How well does sound travel through a gas, liquid or solid?
  89. Inverse Square Law: How Does Distance Affect the Spreading of Light?
  90. Examine whether males or females are more likely to have a higher center of gravity.
  91. Effects of temperature on balloons
  92. Mechanical Exfoliation
  93. Factors affecting friction
  94. Photo electrochemical Cell
  95. Photometric Study of Eclipsing Binary Stars
  96. Proving Universal Gravitation by Warping Space-Time
  97. Seeing Through the Haze
  98. Selective Isolation and Manipulation
  99. Exploring compound motion
  100. Semi-classical Method to Predict Helium

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