The goal of the experiment: Explain the difference of materials from each other in the ability of electrical conductivity Experience Tools:  Battery - electric lamp - glass cup - acids, strengths, salts and sugar solution - wood - copper - steel nail - connecting wires Steps of the experiment:......

Purpose of experimentThe direction of the free magnettoolsmagnetic rod - metal paper clipsstepsWelcome. Now you are going to do an experiment that shows.. Indicates the direction of the free magnet, Look at the Theoretical framework On the lab board, then bring the tools to the lab bench, ......

Purpose of experimentElectromagnetic GenerationExperiment toolsa long wrought-iron nail - an insulated copper wire 30 cm long - a set of metal paper clips - a batteryStepsLook at the Theoretical framework On the lab board, then bring the tools to the lab benchGet a long iron nail and close to the pa......

purpose of experimentThe Magnetic Field of Electric Currenttoolsa small compass - an insulated connecting wire - a batterystepsWelcome. Now you are going to do an experiment that shows The magnetic field of electric current, Look at the Theoretical framework On the lab board, then bring the tools to......

purpose of experimentGenerating electric current using magnetsToolsA long insulated copper wire coiled in the form of a coil consisting of several coils - a magnet in the shape of the letter U - a device for measuring currentsteps1. Welcome. You are going to conduct an experiment that shows how an......

Keywords: Radius – Concave mirror – Center of curvature – Light

Keywords: Current – Electricity – Electrons – Circuit – Voltage

Calculating the instantaneous induced electromotive force in the generator coil during a full cycleKeywords (English): induced emf – induction – coil – generator – magnetic field

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

Series connection

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

Series connection

Parallel connection

Gravity and MagnetismKeywords (English): gravity – magnetism – attractive forces – physics

Unit Two: Sound and Light. Lesson 2: The wave nature of light.Keywords (English): illumination intensity – distance – light – inverse square law – light source

Keywords: Adaptation – Animals – Plants – Environment – Survival – Structural and behavioral traits

Electric Electroscope (Induction and Conduction)

How do charged objects interact at a distance? (introductory experiment)

Keywords: Image – Plane mirror – Reflection – Virtual image – Direction

Investigating Light RefractionKeywords (English): light refraction – medium – angle – optical density

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

Light interaction with different types of materials (Reflection)reflection – light – materials – surfaces

the goal:We determine the relationship between the polarity of the field and the direction of the current.We also explain the relationship between the intensity of the electric current and the strength of the magnetic field.Materials and tools:Cardboard - Iron nail - Ammeter - Battery - Electrical s......

Keywords: Convex lens – Concave lens – Refraction – Focal point – Image

What causes oscillation?

Keywords: Convex lenses – Concave – Light – Refraction – Focal point

What is the importance of observation in natural science?observation – natural science – evidence – data

Keywords: Magnetic force – Magnet – Poles – Attraction – Repulsion

Keywords: DNA replication – Chromosomes – Genetic code – Replication enzymes

Moon phasesKeywords (English): moon phases – crescent – full moon – new moon

Keywords: Chemical reaction – Reactants – Products – Change

Keywords: Acids – Bases – Indicators – pH – Color

Keywords: Relative speed – Motion – Displacement – Time – Physics

The goal of the experiment: experiment to learn the concept of speed and how we can measure it Experience Tools:  different speed cars – stopwatch- measuring tape Steps of the experiment: The conclusion: Keywords (English): speed – motion – distance – time – speed measurement

The goal of the experiment: Explain the movement drawing at regular speed graphically   Experiments Tools:  Regular speed cars - stopwatch - metric tape measure Steps of the experiment: The Observation & Conclusion: We notice that the relationship between distance and time is represen......

The goal of the experiment: Learn about the greenhouse effect Experiments Tools: Two empty bottles - two thermometers - sodium bicarbonate powder - vinegar – water Steps of the experiment: The Observation & Conclusion:Keywords (English): greenhouse effect – greenhouse gases – carbon dioxide –......

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.Keywords (English): concentration – reaction rate – reactants – collision frequency

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.Keywords (English): surface area – reaction rate – reactants – collisions

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.Keywords (English): temperature – reaction rate – energy – collisions – chemistry

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.Keywords (English): enzymes – reaction rate – catalysts – biochemistry

Experiment purposeThomson's atom modelToolsDischarge tube - connecting wires - high voltage source - magnetSteps Turn on the electricity by pressing the button and then note the raysBring a magnet close to the discharge tube and note the effectConclusion ·      We......

Keywords: Friction – Motion – Surfaces – Force – Resistance

Keywords: Periodic table – Elements – Groups – Periods – Classification

Keywords: Lever law – Force – Arm – Fulcrum

Keywords: Equation balancing – Chemical equilibrium – Reactants – Products – Atoms

Keywords: Rutherford model – Atomic nucleus – Alpha particles – Gold foil

Keywords: Uniform speed – Variable speed – Average – Instantaneous

Keywords: Metals – Acids – Hydrogen – Chemical reaction

Keywords: Chemical properties – Metals – Oxidation – Oxides

Keywords: Atom – Proton – Neutron – Electron – Nucleus

The solar systemKeywords (English): solar system – planets – sun – orbit – space

Endothermic reactionsKeywords (English): endothermic reactions – energy absorption – thermal change

Gravity between the sun, earth and moonKeywords (English): gravity – sun – Earth – moon – orbital motion

Direction of gravitational influenceKeywords (English): gravity direction – force – downward motion – mass

Keywords: Acceleration – Deceleration – Speed – Time – Motion – Graphical representation

Keywords: Newton’s second law – Force – Mass – Acceleration – Equation F=ma

Force and Acceleration force – acceleration – Newton’s second law – mass

What is the reason for the occurrence of night and day?day and night – Earth’s rotation – sun – shadow – time

Phases of mitosis - Cell cyclecell cycle – mitosis – chromosomes – growth – cell division

Metals and non-metalsmetals – nonmetals – conductivity – luster – hardness – matter

Do all types of motion appear the same when represented graphically?graphing motion – speed – time – types of motion – comparison

The acceleration due to gravitygravitational acceleration – free fall – motion – time – gravity

Keywords: Acid strength – Strong acids – Weak acids – Ionization – pH

Keywords: Atomic mass – Protons – Neutrons – Atom – Mass number

Keywords: Force – Motion – Acceleration – Mass – Newton

Keywords: Metals – Acids – Hydrogen – Chemical reaction

Objective To illustrate how mass affects the gravitational force on objects, understand the difference between weight (mass × gravity) and gravitational force, and reinforce the concept that gravity acts equally on all objects while the force varies according to massMaterials Digital scale – spring......

Keywords: Mixtures – Separation – Filtration – Liquid – Solid

Keywords: Chemical reaction – Reactants – Products – Change

Keywords: Orbits – Planets – Moons – Gravity – Solar system

Keywords: Seasons – Summer – Winter – Autumn – Spring – Earth’s tilt

Objective: To identify indicators of a chemical reaction by observing the temperature change when vinegar reacts with steel wool.Materials: Steel wool ball – Vinegar – Glass cup – Thermometer.Steps: Place a steel wool ball in a glass cup. Pour vinegar over the steel wool and let it sit for 1–2 minut......

Keywords: Physical state change – Melting – Freezing – Evaporation – Condensation

Experiment that demonstrates the Law of Conservation of Mass.

Objective: To investigate the relationship between the amount of transferred thermal energy and the temperature of waterMaterials: Polystyrene cup – immersion heater – thermometer – electronic balance – joule meter – stopwatch – metal stand – stirring rodProcedure: Measure the mass of water in the p......

Objective: To identify the effect of particle size on the rate of dissolution in water.Materials: Two glass cups – chicken soup cube – powdered chicken soup – spoon – waterProcedure: Pour an equal volume of water into each glass. Place the soup cube in the first glass. Place the powdered soup in the......

This experiment demonstrates the concept of chemical reactions through the formation of a precipitate resulting from the reaction of two solutions.

Objective: To investigate the effect of mass on the speed of falling objects under Earth's gravity.Materials: Three identical unsharpened pencils – String or ribbon to tie the pencils.Steps: Tie two pencils together using the string, leaving the third pencil separate. Raise all three pencils to the......

Objective: To identify materials that dissolve in water and materials that do not.Materials: Three transparent cups _ Water _ Salt _ Sugar _ Sand _ Stirring spoonSteps: Put some water in each cup. Add a small amount of salt, sugar, and sand to the three cups of water. Stir each cup using the spoon a......