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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 thermoscope. - 1052.004B_1
  • » - 1052.004C2_1
  • » - 1052.008_A3B
  • » The solidification of water, obtaining colored ice. - 1052.008_A4
  • » - 1052.012B
  • » Reference frame, position, movement, and trajectory. - 1032.001
  • » - 1032.005B4JM
  • » Frictional forces and Newton's first law of motion. - 1032.046
  • » - 1032.048AB
  • » - 1032.043AB2
  • » - 1032.034AB1
  • » The burning of a candle produces light and heat. - 0001.235
  • » Conduction, a means of heat propagation, means of transmission, heat transfer. - 1052.024D
  • » Convection, a means of heat propagation, means of heat transmission, heat transfer. - 1052.024D1
  • » Radiation, a means of heat propagation, means of heat transmission, heat transfer. - 1052.024D2
  • » The influence of color on thermal insulation. - 1052.024D3
  • » Some energy transformations: electrical, luminous, thermal, and mechanical. - 1052.026D
  • » Series and parallel lamp connections. - 1082.044A_2
  • » Resistor combinations in series, parallel, and mixed configurations. - 1082.076A_3
  • » Ohm's law. - 1082.056A_3
  • » The potentiometer is a variable resistor. - 1082.084_2
  • » Measurements in mixed circuits, electrical power, direct current. - 1082.092A_6
  • » Kirchhoff's loop laws and kinematic laws. - 1082.076C
  • » The RC series circuit uses direct current. - 1082.131A
  • » - 1082.177_B
  • » - 1082.177B
  • » - 1032.041A
  • » - 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
  • » An astronomical telescope, an optical instrument. - 1062.004H8C
  • » How to use a monocular microscope. - 1505.011C
  • » Observing prepared slides using a microscope. - 1505.012A
  • » - 1505.002A
  • » Chlorophyll, the substance found in most green plants - 0001.175
  • » - 0001.362B1
  • » How the environment influences the germination power of seeds. - 1481.436B
  • » 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
  • » - 1505.121
  • » How does natural selection occur? - 1505.140
  • » My arm, a whale's flipper, a horse's hoof, and a bat's wing: what do they have in common? - 1505.150
  • » How is a gene selected in a population? - 1505.160
  • » Are all peas the same? - 1505.190
  • » The human skeleton - 1505.016D1
  • » Internal organs, identification and function. - 1505.017A3
  • » - 1232.015JM
  • » - 1212.012_1
  • » - 1212.012_2
  • » How can heterogeneous mixtures be separated using vacuum filtration? - 1212.012_3A
  • » - 1212.014_A_1
  • » The vertical position. - 0001.020
  • » The arrangement of objects on flat surfaces. - 0001.025
  • » The electronic configuration of chemical elements, using the table. - 1232.035Q
  • » The kinetic behavior of gases. - 1052.035S1
  • » The influence of temperature on the atomic and molecular motion of a gas. - 1052.035S2
  • » Models of the state of aggregation of matter. - 1052.035S3
  • » Where are the bacteria? - 1505.017B
  • » - 1505.019B
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