Detection of polysaccharidesPlease watch the video of the experiment by clicking here before starting it

Electricity

Kelvin experiment

OsmosisThis is a video of the experiment, it is best to watch it before starting the experiment//youtu.be/vfrIU3ArQV0

Detection of nitrite anionPlease watch the video of the experiment by clicking here before starting it

Set the free fall wheel

Vectors Summation

Clarify that light is one of the basic needs of plantsPlease watch the video of the experiment by clicking here before starting it

Clarify whether soil is one of the basic needs of plantsPlease watch the video of the experiment by clicking here before starting it

Demonstrate the transfer of water inside a plantPlease watch the video of the experiment by clicking here before starting it

The effect of temperature on the activity of the enzyme amylasePlease watch the video of the experiment by clicking here before starting it

Effect of pH on enzyme activityPlease watch the video of the experiment by clicking here before starting it

Total reflection of light

Connecting resistors in parallelPlease watch the video of the experiment by clicking here before starting it

Detection of iron 111 cationThis video shows how to do the experiment//youtu.be/8lV8Y7aNVmA

Connect the resistors in seriesPlease watch the video of the experiment by clicking here before starting it

Double slit - "Thomas Young"

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......

The reaction of metals with dilute acids

Periscope and field telescopeThis video shows how to do the experiment//youtu.be/7KEMUqpnW4U

Detection of sulphide anion

Detection of thiosulfate Anion

Discovering the chemical properties of metals (reaction of metals with oxygen)objectiveUnderstanding the interaction of metals with oxygenToolsA strip of magnesium - Tester filled with oxygen- litmus- A glass of water- holderstepsApply the tester filled with oxygen in the middle of the deskHeat the......

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......