Keywords: Atmospheric pressure – Altitude – Barometer – Air – Air density

Keywords: Pure water – Neutral – pH 7 – Indicators – Acids and bases

Investigation of the process of electrolysis of waterelectrolysis of water – oxygen – hydrogen – electric current

Keywords: Chemical properties – Metals – Oxidation – Oxides - Magnesium

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

The goal of the experiment: Explain the idea of work the Hofmann's voltameter Experiments Tools:  Hofmann's voltameter apparatus- holder- acidified water with dilute sulphuric acid- battery – glowing splint Steps of the experiment: The Observation & Conclusion:Keywords (English): Hof......

Keywords: Rock dissolution – Acids – Reaction – Carbonates – Carbon dioxide

Keywords: Earth’s interior – Crust – Mantle – Core – Plates

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

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......

Keywords: Reaction rate – Chemical reactions – Rate of reaction – Variables

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

Objective of the experiment:Detection of carbon dioxide gas during plant respirationExperiment tools: bean seeds - jar - water sprayer - cotton - test tube with clear lime water -plastic tube - clayExperiment steps:- Put the cotton in the jar.- Spray water on the cotton with a water sprayer.- P......

purpose of experiment illustrate chemical indicators tools Hydrochloric acid – sodium hydroxide – orange methyl indicator – litmus indicator – bromothymol blue indicator – 12 conical flask – distilled water-Phenolphthalein indicator StepsPut 10 ml of the solution in front of you into each conical......

Keywords: Acids – Bases – Indicators – pH – Color

Keywords: Chemical reaction – Reactants – Products – Change

Keywords: Ammonia – Hydrogen chloride – White vapor – Gas combination

The Graphical Representation of Oscillatory MotionKeywords (English): oscillatory motion – graph – time – amplitude – frequency

Keywords: Metals – Hardness – Luster – Density – Physical properties

Keywords: Lemon battery – Chemical reaction – Electrodes – Voltage – Electricity

Keywords: Melting point – Materials – Bonds – Solid state – Heat

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

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

Keywords: Wood density – Mass – Volume – Buoyancy – Matter

Keywords: Atom – Proton – Neutron – Electron – Nucleus

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

Keywords: pH – Litmus paper – Solutions – Acidic – Basic

Experiment Description:This experiment demonstrates the ability of certain metals, particularly alkali metals, to displace hydrogen from water. When small pieces of these metals are added to water, a rapid chemical reaction occurs, producing hydrogen gas and causing a noticeable increase in temperat......

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 experimentPreparation of carbon dioxide gas in the laboratorytoolsgraduated flask - glass beaker - cork stopper with two holes - glass funnelU-shaped glass tube - dilute hydrochloric acid - calcium carbonatesteps Place the candle in the middle of the lab bench.Light the candle by usi......

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......

Science curriculum for the first grade of middle school The first unit: periodicity of the element Lesson two: List the properties of the elements in the periodic tableObjective: Determine the volume of a solid object using the known volume of a liquidMaterials: Graduated cylinder – Water – Various......

The goal of the experiment This experiment aims to practically determine the density of a liquid. Experiment Tools Scale - Included tester - different liquids with different volumes Steps of the experiment Choose a few different sized liquids from the lab library. Weigh the tester blank inserted and......

Unit one: periodic motion. Lesson 1: Vibrating motion.Keywords (English): oscillatory motion – vibrations – frequency – amplitude – period

Unit Two: Sound and Light. Lesson 1: Characteristics of sound waves.Keywords (English): Savart wheel – centripetal force – acceleration – circular motion

Unit one: chemical reactions.  Lesson one: chemical reactions.Objective: To study the thermal decomposition of copper sulfate.Materials: Copper sulfate _ Spoon _ Bunsen burner _ Test tubeSteps: Heat a small amount of blue copper sulfate in a test tube using a Bunsen burner.Observation: A black......

Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): copper carbonate – heating – decomposition – carbon dioxide

Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): copper hydroxide – thermal decomposition – heating – oxides

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.Keywords (English): reaction rate – time – reactants – products – chemistry

Unit one: chemical reactions.  Lesson one: chemical reactions.Keywords (English): thermal decomposition – sodium nitrate – heat – oxides – thermal reaction

Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): mercury oxide – thermal decomposition – mercury – oxygen

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

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

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

Keywords: Uniform speed – Variable speed – Average – Instantaneous

Keywords: Myopia – Hyperopia – Astigmatism – Lenses – Vision

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: 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

Keywords: Grasshopper – Anatomy – Insects – Body parts – Digestive system – Circulatory system

realization of light refraction

Keywords: Light – Analysis – Prism – Dispersion – Colors

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

Keywords: Total reflection – Critical angle – Waves – Optics

purpose of experiment seeing through transparent objectstoolsRed apple - red glass sheet- green glass sheet- blue glass sheetstepsWelcome. Now you are going to do an experiment that show .. Seeing through transparent objects, Look at the Theoretical framework On the lab board, then bring the to......

Unit Two: Sound and Light. Lesson 2: The wave nature of light.Purpose of experimentLight travels in straight linestoolswooden or carton screen, each one has a centered hole, candle, lighterstepsWelcome. Now you are going to do an experiment that shows that light travels in straight lines. Look......

The process of oxidation and reduction according to the traditional conceptKeywords (English): oxidation – reduction – electron loss – electron gain – redox reactions

Purpose of experimentSeeing objects through different materialstoolsPicture in the frame - frosted glass - clear glass – carton (cardboard paper)stepsWelcome. Now you are going to do an experiment that materials can be classified according to their ability to transmit light into (transparent - trans......

Unit Two: Sound and Light. Lesson 1: Characteristics of sound waves.Keywords (English): sound – density – sound intensity – wave propagation – medium

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

Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): silver nitrate – sodium chloride – white precipitate – precipitation reaction

An experiment demonstrating the difference between electrolytic and non-electrolytic solutions by testing their ability to conduct electric current using a simple electrical circuit and observing the brightness of a lamp.Keywords: Electrolytic Solutions - Non-Electrolytic Solutions - Electrical Cond......

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......

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

Objective To observe the effect of temperature on the rate of a chemical reactionTools Two glasses with equal amounts of water, one hot and one cold Two effervescent tabletsSteps Place one tablet in the hot water and the other in the cold water Compare the rate of fizzing in both glassesObservation......

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

Parallel connection

Objective: To deduce that cathode rays are negatively charged particles as proven by ThomsonMaterials: Cathode ray tube _ electric power source _ magnetSteps: Connect the cathode ray tube to a power source Observe a straight luminous beam inside the tube Bring the magnet closer and observe what happ......

Unit One: Forces and Motion.Lesson One: types of levers.Objective of the experiment:To identify to the first class leversExperiment tools:pliers - pincers - scissors - water pump - nail clippers - hammer - crowbar and rock - balance scaleExperiment steps:- Use each lever in its correct position......

Unit One: Forces and Motion.Lesson One: types of levers.Objective of the experiment:To identify to the second class leversExperiment tools:nutcracker - bottle opener  - Paper stapler - wheelbarrowExperiment steps:- Use each lever in its correct position.- We note that each lever that was u......

Unit One: Forces and Motion.Lesson One: types of levers.Objective of the experiment:To identify to the third class leversExperiment tools:holder - tweezers - fishing rod - broom - golf clubExperiment steps:- Use each lever in its correct position.- We note that each lever that was used is a thi......

Keywords: Lever law – Force – Arm – Fulcrum

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

Proving the law of levers by using spring balanceKeywords (English): lever law – spring balance – force – arm – fulcrum

How do pulleys help you lift things?

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

The Speed of Falling Objects falling speed – free fall – time – gravity

Keywords: Tensile force – Spring – Extension – Hooke’s law – Elastic force

Keywords: Circular motion – Path – Angular velocity – Centripetal force

Keywords: Epithelial tissues – Simple – Compound – Cells – Covering

Keywords: Metals – Hardness – Luster – Density – Physical properties

Keywords: Food chain – Consumers – Producers – Predators – Energy

Animal and plant cell under a microscopeKeywords (English): animal cell – plant cell – microscope – nucleus – organelles

Watching onion cells (introductory experiment)Keywords (English): onion cells – microscope – cell wall – nucleus

the goal:Inference: Cells use food or sugar to produce energy. Note the mitochondria in different cells.Materials and tools:Listed equipment - 2% glucose solution - resealable plastic bag - small weights - glass beaker - water bath at 37 degrees CelsiusSteps:1. Put a quantity of glucose solutio......

Keywords: Earthworm – Anatomy – Segments – Digestive system – Circulatory system

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

Keywords: Pascal’s principle – Pressure – Fluids – Hydraulics – Force

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

the goal:The amount of water absorbed by mosses Materials and tools:Glass beaker - water - string - moss plant - scale - stopwatch - maskSteps:1- Put a quantity of moss plant on a piece of thin cloth, then tie it in the form of a ball.2- Measure the mass of the cloth ball containing the algae.3......

Comparison of different types of blotting papersKeywords (English): paper towel – absorption – water – comparison – porous materials

Volcano eruptionvolcanic eruption – magma – lava – pressure

Keywords: Strong structure – Supports – Balance – Forces – Stability

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

the goal:Draw a conclusion about the Law of Conservation of Mass.Materials and tools:Wire crucible - Test tube - Balloon - Sensitive scale - Heater - Hot water bath - Test tube holder - Stopwatch - TissuesSteps:1. Place a piece of wire crucible in a medium-sized test tube.2. Attach the balloon nozzl......

Keywords: Vectors – Addition – Resultant – Angle – Force

save momentumKeywords (English): conservation of momentum – collision – mass – velocity – linear momentum

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

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

static friction and sliding friction

the goal:Designing a Model for Electric Current Flow in a Simple Electrical CircuitMaterials and tools:Plastic funnel - Plastic tubes of different diameters - Metric ruler - Stand with clamp - Stopwatch - Two glass cupsSteps:1. Place the glass cup under the ring stand and secure the plastic tube in......

Keywords: Battery – Galvanic cell – Chemical reaction – Voltage – Storage

the goal:A graphic representation of the relationship between distance and time of a bowling ball while it is being rolled.The connection between the movement of a bowling ball and another type of movement.Materials and tools:A number of bowling balls - stopwatch - large cushion or any soft objectSt......

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

Keywords: Body systems – Digestive system – Circulatory – Nervous – Urinary

Keywords: Respiratory system – Lungs – Respiration – Trachea – Oxygen

Keywords: Nervous system – Nerves – Brain – Spinal cord – Nerve signals

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

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

Keywords: Mold – Fungi – Moisture – Food – Microorganisms

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

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

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

Keywords: Water resistance – Air resistance – Motion – Drag – Friction

purpose of experimentMixing the seven spectrum colors to produce the white lightExperiment tools The seven-color disc is fixed on an electrical device. - SwitchstepsPress the power button of the device to mix the seven colors,then observe what happenPress the stop button of the devicePress......

Three states of matterThis experiment shows how water changes between its three states due to temperature. Ice melts when heated to become liquid water, then turns into vapor with continued heating. When the vapor touches a cold surface, it condenses back into water droplets.states of matter – solid......

Objective of the experiment:Calculate the volume percentage of oxygen in the airExperiment tools:Glass basin - Graduated cylinder - Candle - Beaker with colored water - Lighter Experiment steps: - Place the candle inside the glass basin .- Pour the colored water into the glass basin .- Light the can......

the goal:Identifying the components of the digestive system.Materials and tools:A model of the digestive system organs - Anatomy lab - Dissection tools.Steps:Click on the digestive system button, then click on each organ button to display it.You can also click on the 3D button to view the organs in......

Keywords: Transpiration – Water ascent – Plants – Vessels – Root pressure

Keywords: Friction – Motion – Surfaces – Force – Resistance

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

How can the reaction rate be increased?reaction rate – catalysts – temperature – concentration – surface area

What makes rocks different from one another? rocks – minerals – color – hardness – texture – geology

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

Parts of a flower

Male and female reproductive systemKeywords (English): reproductive system – male – female – fertility – reproduction

Fat Digestion Investigationfat digestion – lipase – bile – emulsification – digestive system

Voltage, current, and resistance. voltage – electric current – resistance – electric circuit – Ohm’s law – potential difference

Keywords: Pepsin enzyme – Protein digestion – Stomach – Gastric juice – Digestive enzymes

Keywords: Colors – Temperature – Thermal radiation – Hot objects – Spectrum

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

Keywords: Semi-permeable membrane – Diffusion – Osmosis – Molecules – Membrane transport

Keywords: Equilibrium – Equal forces – Rest – Uniform motion

Comparing evaporation ratesKeywords (English): evaporation – evaporation rate – temperature – surface area – type of liquid