Objective: To determine the radius of curvature of a concave mirror experimentally and deduce the relationship between the radius of curvature R and the focal length f.Materials: Concave mirror _ illuminated object _ screen for receiving the image _ graduated rulerProcedure: Place the illuminated ob......

purpose of experiment To realize the concept of energy survival Experiment Tools: Simple Pendulum - Double Pendulum Steps of the experiment Pull the pendulum ball up from its rest position and release it, and see what happens. Get a double pendulum or two similar pendulums. Pull the ball of one of t......

Keywords: Electrical energy – Conversion – Motion – Light – Heat

Keywords: Current – Electricity – Electrons – Circuit – Voltage

Keywords: Total reflection – Critical angle – Waves – Optics

The relationship between velocity and kinetic energyKeywords (English): kinetic energy – speed – mass – motion – physics

Objective of the experiment:To compare the friction between different solid bodiesExperiment tools:Two balls - Golf stick - Smooth road - Sandy roadExperiment steps:- Put each ball at the starting point of each path.- Hit each ball with the stick in each different way and note the movement of each b......

Keywords: Wrecking ball – Collision – Energy – Motion – Force

The effect of the mass of bodies in collisionKeywords (English): mass effect – collision – momentum – impact force

Energy transformations in Newton's pendulumKeywords (English): Newton’s cradle – energy transfer – collision – motion

Electric CircuitKeywords (English): electric circuit – components – voltage – current

Energy transformations in devicesKeywords (English): energy transformations – electrical devices – heat – light – motion

Wind and water millsKeywords (English): wind turbines – watermills – kinetic energy – renewable energy

The effect of speed in collisionKeywords (English): speed effect – collision – impact – momentum

Keywords: Light reflection – Angle of incidence – Angle of reflection – Mirrors

Keywords: Potential energy – Kinetic energy – Transformation – Gravity – Motion

Keywords: Height of the object – Potential energy – Gravity – Mass – Physics

Keywords: Friction – Motion – Surfaces – Force – Resistance

Parallel Connection This video shows how to conduct the experimentKeywords (English): parallel connection – electric circuits – voltage – current

Objective: To investigate the effect of changing the number of bulbs in a series circuit and determine the effect of disconnecting or breaking one bulb on the operation of the electrical circuit.Materials: Battery _ electrical switch _ small light bulbs _ connecting wires _ hammerProcedure: Construc......

Store energy in devicesKeywords (English): energy storage – batteries – chemical energy

the goal:Explanation of thermal energy transformations.Materials and tools:Magnesium sulfate - Calcium chloride - Distilled water - Glass beaker - Thermometer - Scale - Glass pipette - Spoon.Steps:1- Fill the glass beaker with 100 ml of water and record the temperature using the thermometer.2- Weigh......

the goal:Testing the time it takes for a glass ball to roll down a slope and determining whether the height of the slope affects the motion of the glass ball.Materials and tools:Books - Wooden or cardboard surface - Glass ball - Stopwatch.Steps:1- Place one book under the wooden board, then place th......

the goal:Create a model illustrating the movement of the Earth during an earthquake.Materials and tools:Pieces of cork - a bowl - soil - a wooden piece.Steps: 1- Place the two pieces of cork next to each other in the bowl.2- Cover the cork pieces with soil.3- Gently pull the bowl about 5 c......

Focus, epicenter, and faultearthquakes – focus – epicenter – fault – tectonic plates

Identifying the Effects of Weathering

Keywords: Weathering – Erosion – Deposition – Rocks – Environmental factors

Keywords: Circulatory system – Heart – Blood – Vessels – Circulation

Keywords: Skeletal system – Bones – Joints – Skeleton – Support

Volcano eruptionvolcanic eruption – magma – lava – pressure

Parts of a flower

Keywords: Volcano – Lava – Magma – Eruption – Earth’s crust