Keywords: Osmosis – Semipermeable membranes – Concentration – Water – Diffusion

Keywords: Nitrite anion – Griess reaction – Pink color – Chemical analysis

Keywords: Free fall – Gravity – Acceleration – Time – Motion

Keywords: Vectors – Addition – Resultant – Angle – Force

Keywords: Light – Plants – Photosynthesis – Growth – Energy

Keywords: Soil – Plants – Growth – Requirements – Water

Keywords: Water transport – Plant – Roots – Vessels – Transpiration

Keywords: Amylase enzyme – Temperature – Digestion – Starch – Enzyme activity

Keywords: pH – Enzyme activity – Reaction – Digestion

Keywords: Total reflection – Critical angle – Waves – Optics

Keywords: Resistors – Parallel – Electric circuit – Current – Voltage

Keywords: Ferric ion – Brown color – Chemical analysis

Keywords: Resistors – Series – Current – Voltage – Circuit

Keywords: Double slit – Interference – Diffraction – Waves – Light

The goal of the experiment:Explain the difference between materials in terms of densityTools:Copper wire - piece of gold - platinum ingot - ice cubes - piece of coal - cork - paper - piece of wood - ruler - screwSteps:Put the materials in front of you in the tub and control the liquid density from t......

Keywords: Metals – Acids – Hydrogen – Chemical reaction

Keywords: Periscope – Viewer – Reflection – Mirrors – Vision

Keywords: Sulfide anion – Rotten egg smell – Hydrogen sulfide

Keywords: Thiosulfate – Chemical analysis – Reaction – Solutions

Keywords: Chemical properties – Metals – Oxidation – Oxides

The color of gold changes according to the size of the gold nanoparticles:Tools Samples of nanoparticles of gold (visible sample)A sample of gold minutes is small, its minutes are measured in macrosteps Bring the gold sample measured by the macro and display the flashlight on it and note what h......

Keywords: Kirchhoff – Voltage – Circuit – Resistance – Algebraic sum

Keywords: Transverse waves – Vibration – Amplitude – Crest – Trough

Keywords: Light – Analysis – Prism – Dispersion – Colors