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Key Experiments

  • » Identifying objects by sound. - 0001.016
  • » Differentiating between solid bodies, liquid bodies, and gaseous bodies. - 0001.030
  • » The energy of moving air. - 0001.035
  • » The condensation of water vapor contained in the air. - 0001.060
  • » Change of physical state of water, melting. - 0001.065A
  • » Soil erosion caused by the increase in water volume when it freezes. - 0001.070
  • » The evaporation of water, the slow transition from the liquid state to the vapor state. - 0001.075A
  • » Heat makes ice melt faster. - 0001.080
  • » Producing oxygen through a chemical reaction. - 0001.125A
  • » The condensation of water, the change of state from vapor to liquid. - 0001.190
  • » Soil erosion caused by moving water. - 0001.195
  • » Decantation and filtration are two steps in water purification. - 0001.200
  • » Low-pitched sounds and high-pitched sounds. - 0001.270
  • » Separating objects using a magnet. - 0001.275
  • » Using magnets to separate materials, recycling. - 0001.276
  • » The thermometer, an instrument that measures temperature - 0001.300
  • » Observing the compressibility and elasticity of air. - 0001.330
  • » Inertia, one of the general properties of matter. - 1032.002_1
  • » Force, mechanical deformations, plastic deformation, and elastic deformation. - 1032.018
  • » Light, transparent, translucent, and opaque mediums. - 1062.002
  • » The general properties of matter. - 0001.100A
  • » The specific properties of matter. - 0001.102
  • » - 0001.102A
  • » Electrical conductors and electrical insulators. - 1082.036
  • » Electrification, principles of electrostatics, static electricity. - 1082.032
  • » The lines of force and the magnetic field of a magnet, magnetism. - 1082.120A
  • » How a compass works and how to use it. - 1082.124
  • » Permanent magnets, temporary magnets, and electromagnets. - 1082.140C
  • » How can we relate the properties of substances through electrical conductivity? - 1222.012_A_1
  • » Electrolytes, second-class conductors - 1242.002A
  • » - 1062.003L1_0
  • » - 1062.003L2_0
  • » - 1062.003L3_0
  • » - 1062.003L4_0
  • » - 1062.003L5_0
  • » - 1062.003L6_0
  • » - 1062.003L7_0
  • » - 1062.003L8_0
  • » The composition of colors on Newton's disc. - 1062.004R_4
  • » Where are the bacteria? - 1505.017B
  • » Sunrise and sunset at the North Pole. - 1032.200
  • » Sunrise and sunset in Fort Yukon - Alaska - USA, Arctic Circle. - 1032.201
  • » Sunrise and sunset in Havana, Cuba. - 1032.202
  • » Sunrise and sunset in Macapá - Amapá, Brazil. - 1032.203
  • » Sunrise and sunset in Ubatuba - São Paulo, Brazil. - 1032.204
  • » Sunrise and sunset in Porto Alegre - Rio Grande do Sul, Brazil. - 1032.205
  • » Sunrise and sunset at the Amundsen-Scott Station - Antarctic Circle. - 1032.206
  • » Sunrise and sunset in your city. - 1032.208
  • » The construction of a sundial. - 1032.209
  • » An astronomical telescope, an optical instrument. - 1062.004H8C
  • » Light is necessary for us to be able to see. - 0001.005A1
  • » Each person's sense of tact, inclusion. - 0001.006
  • » Who has the best sense of tact? Inclusion. - 0001.007
  • » Test your sense of smell, inclusive. - 0001.008A
  • » The bicordio, a stringed instrument, inclusion. - 0001.265A1
  • » The decomposition of the fruit due to the action of mold. - 0001.245A
  • » How do we classify invertebrates? - 1505.003
  • » How do we classify mammals? - 1505.003B
  • » How do we classify birds? - 1505.003C
  • » Identifying some seeds. - 0001.040A
  • » Is water necessary for seed germination? - 0001.045
  • » How to identify humus-rich, sandy, and clayey soils? - 0001.050
  • » What are the structures of a flower like? - 0001.180
  • » Comparing the germination power of seeds. - 1481.041B
  • » How the environment influences the germination power of seeds. - 1481.436B
  • » Phototropism in plants. - 1481.437B
  • » Comparing different amounts of the hormone auxin in a type of seed. - 1481.438B
  • » - 1505.008A
  • » Hygiene habits, brushing your teeth. - 1505.017D
  • » - 1505.017A2
  • » Chlorophyll, the substance found in most green plants - 0001.175
  • » - 0001.362B1
  • » - 1505.003A
  • » The basic structure of a monocular microscope. - 1505.010A
  • » - 1505.011C1
  • » Identifying the parts of a monocular microscope. - 1505.014A
  • » - 1505.019
  • » - 1505.021
  • » How does the water cycle work? - 1505.170
  • » How to identify different types of soils? - 0001.050A
  • » The water contained in the soil. - 0001.210A
  • » The free surface of still water is horizontal. - 0001.090
  • » The phases of the moon. - 1062.030
  • » The vertical position. - 0001.020
  • » The arrangement of objects on flat surfaces. - 0001.025
  • » The human skeleton - 1505.016D1
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