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Key Experiments

  • » Light is necessary for us to see. - 0001.005A1
  • » The touch of each one, inclusion. - 0001.006
  • » Test your sense of smell, inclusion. - 0001.008A
  • » Identifying objects by sound. - 0001.016
  • » The shape of objects. - 0001.017
  • » The vertical position. - 0001.020
  • » The arrangement of objects on flat surfaces. - 0001.025
  • » Differentiating solid bodies from liquid bodies and gaseous bodies. - 0001.030
  • » The energy of moving air. - 0001.035
  • » The identification of some seeds. - 0001.040A
  • » Is water necessary for seed germination? - 0001.045
  • » How to identify different types of soils? - 0001.050A
  • » The condensation of water vapor contained in the air. - 0001.060
  • » Change of physical state of water, fusion. - 0001.065A
  • » Soil erosion caused by increased water volume when it freezes. - 0001.070
  • » The evaporation of water, the slow change from the liquid state to the vapor state. - 0001.075A
  • » Heat makes ice melt faster. - 0001.080
  • » The free surface of still water is horizontal. - 0001.090
  • » Producing oxygen through a chemical reaction. - 0001.125A
  • » Condensation of water, change of state from vapor to liquid. - 0001.190
  • » Soil erosion caused by moving water. - 0001.195
  • » Decantation and filtration, two steps for water purification. - 0001.200
  • » The water contained in the soil. - 0001.210A
  • » The decomposition of fruit under the action of mold. - 0001.245A
  • » The bicordium, a stringed instrument, inclusion. - 0001.265A1
  • » Low pitched sounds and high pitched sounds. - 0001.270
  • » Separating objects using a magnet. - 0001.275
  • » Using magnets to separate materials, recycling. - 0001.276
  • » Wind chill and temperature. - 0001.300A
  • » Determining the compressibility and elasticity of air. - 0001.330
  • » The harms of cigarettes. - 0001.346B
  • » Inertia, one of the general properties of matter. - 1032.002_1
  • » The simple pendulum. - 1032.015A
  • » Force, mechanical deformations, plastic deformation and elastic deformation. - 1032.018
  • » Measuring weights of different masses. - 1032.039A
  • » Inflating a balloon, decreasing the external pressure. - 1032.094C
  • » Light, transparent, translucent and opaque media. - 1062.002
  • » The composition of colors in a Newton's disk. - 1062.004R
  • » The phases of the moon. - 1062.030
  • » Electrification, principles of electrostatics, static electricity. - 1082.032
  • » The lines of force and the magnetic field of the magnet, magnetism. - 1082.120A
  • » The operation and use of the compass. - 1082.124
  • » Permanent magnets, temporary magnets and the electromagnet. - 1082.140C
  • » Comparing the germination power of seeds. - 1481.041B
  • » How the environment influences the germination power of seeds. - 1481.436B
  • » Phototropism in plants. - 1481.437B
  • » How to classify invertebrates? - 1505.003
  • » Do I have color blindness? - 1505.130
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