Keywords: Chemical change – Reaction – Reactants – Products – Evidence

Keywords: Chemical reaction – Reactants – Products – Change

This experiment aims to determine the density of solid objects by measuring their mass and volume. The mass is measured using a balance, while the volume is determined either from the object’s dimensions (if it has a regular shape) or by water displacement in a graduated cylinder (if irregular). The......

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......

purpose of experimentHow the shadow is formedtoolsDark body (ball) - Light source (torch )stepsWelcome. Now you are going to do an experiment that shows, How is the shadow formed?, Look at the Theoretical framework On the lab board, then bring the tools to the lab bench,Place the dark body (bal......

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......

purpose of experimentFormation of the images through narrow holestoolscardboard box - semi -transparent paper (kalk paper) - scissors - candle - lightersteps Get the cardboard box and put it in the middle of the lab table  Make one circular hole on the side of the box using......

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......

purpose of experimentHow you can measure the mass of a solid object by using a two pans balancetoolsBalance with two pans - weights of known mass (1000 g, 500 g, 250 g) - the object whose mass is to be measured (bean bag) stepsWelcome, you are going to do an experiment that shows how you can measure......

Objective of the experiment:Making a thermometerExperiment tools:Glass basin - Graduated cylinder - Candle - Beaker with colored water - Lighter Experiment steps: - Put the amount of water into the plastic bottle.- Put the amount of ethyl alcohol into the plastic bottle.- Put the amount of red color......

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: Soil – Sand – Silt – Humus – Rocks

Keywords: Soil – Microorganisms – Bacteria – Decomposition

Keywords: Solar eclipse – Moon – Shadow – Sun – Alignment

Keywords: Current – Electricity – Electrons – Circuit – Voltage

Keywords: Light – Plants – Photosynthesis – Growth – Energy

Keywords: Soil – Plants – Growth – Requirements – Water

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

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

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

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

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

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

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

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

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

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

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

Water filter designKeywords (English): water filter model – purification – filtration – gravel – charcoal

The water cycleKeywords (English): water cycle – evaporation – condensation – precipitation

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

Investigate the movement of the sun using the shadowKeywords (English): sun movement – shadow tracking – time – direction

the goal:Explain how distilled water is obtained.Materials and tools:2 flasks - condenser - connecting tubes - salt water solution - flame - stoppersSteps:Place the condenser horizontally on the standPlace the flasks, one over a Bunsen flame and the other on a lab benchPour the salty water into the......

How do pulleys help you lift things?

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

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

Keywords: Weight – Mass – Gravity – Force – Balance

the goal:- Explaining the relationship between buoyant force, weight of an object in air, and its apparent weight in water.- Applying the Archimedes' principle to buoyancy.- Inferring the effect of surface area and known mass density on the amount of water displaced.Materials and tools:Different wei......

Calculating the instantaneous induced electromotive force in the generator coil during a full cycleKeywords (English): mammals – warmth – insulation – fur – body fat

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......

Keywords: Molar volume – Avogadro’s number – Gases – Ideal gas law – Measurement

the goal:Explanation of how we can infer a chemical change has occurred.Materials and tools:Ammonia solution - Distilled water - Glass beaker - Universal indicator - Effervescent tablets.Steps:1- Put a quantity of distilled water in the glass.2- Add drops of ammonia solution into the water in the gl......

Keywords: Renewable energy – Non-renewable energy – Fossil fuels – Sun – Wind – Natural resources

the goal:Explaining the factors that affect the process of photosynthesis.Materials and tools:Glass beaker - Glass funnel - Test tube - Aquatic plant - Sodium bicarbonate - Light sourceSteps:1- Fill the glass with water.2- Add a quantity of sodium bicarbonate to the water.3- Place the aquatic plant......

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

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

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

Keywords: Lungs – Respiration – Diaphragm – Air – Respiratory system

Keywords: Mold – Fungi – Moisture – Food – Microorganisms

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

Yeast growth checkyeast growth – sugar – fermentation – respiration

How do you keep cut flowers fresh? cut flowers – freshness – water uptake – plant care

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

Keywords: Flame test – Colors – Elements – Qualitative analysis – Flame spectra

Keywords: Earthworm – Response to light – Behavior – Environment – Adaptation

Keywords: Galvanic cell – Cell voltage – Electrodes – Electrons – Voltage

Keywords: Large intestine – Water absorption – Waste excretion – Beneficial bacteria

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

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

Volcano eruptionvolcanic eruption – magma – lava – pressure

Keywords: Homogeneous mixtures – Heterogeneous mixtures – Solutions – Suspensions – Colloids

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

Keywords: Waves – Spring – Vibration – Energy – Propagation

Keywords: Excretion – Wastes – Kidneys – Sweat – Carbon dioxide – Detoxification

the goal:To discover how the water content in plants affects their weight.Materials and tools:Balance scale - Apples - Stopwatch - Strawberries - OrangesSteps:1. Weigh some slices of apple using the balance scale.2. Place the apple slices on a plate and let them dry completely, then weigh them again......

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

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......

Keywords: Mixing substances – Separating a mixture of liquids (water and oil) – Separating a mixture of solid and liquid – Separating a mixture of solids

Which one allows water to seep faster: soil or gravel?soil – gravel – permeability – water flow – filtration

Parts of a flower

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

How can you identify a living creature through a diverse set of bones?bones – skeleton – organism identification – skull – limb bones – biological evidence – comparative anatomy – species recognition

 Urinary systemKeywords (English): urinary system – kidneys – bladder – ureters – urine – blood filtration – excretion

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

How raindrops are formedKeywords (English): rain formation – condensation – clouds – water cycle

Keywords: Soil – Plant growth – Silt – Sand – Clay – Humus

Keywords: Star brightness – Distance – Light – Astronomy – Luminosity – Stars

Keywords: Conservation of mass – Chemical reaction – Change – Reactants – Products

Keywords: Observation – Conclusion – Senses – Data – Scientific evidence

Explore | What are living things? And what are non-living things?

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

Identifying the Effects of Weathering

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

Identifying living organisms and their young

Keywords: Needs – Food – Water – Air – Habitat

Keywords: Decomposers – Soil – Bacteria – Decomposition – Microorganisms

Keywords: Type of substance – Heat – Heat capacity – Heating

Keywords: States of matter – Shape – Flow – Solid – Liquid – Gas

Keywords: Chlorophyll – Light absorption – Photosynthesis – Pigments

Keywords: Convection – Heat – Fluids – Air – Transfer

Keywords: Heat – Expansion – Contraction – Physical change – Materials

Keywords: Nutrients – Vitamins – Proteins – Carbohydrates – Food sources

Keywords: Yogurt – Bacteria – Fermentation – Milk – Microorganisms

Keywords: Mass – Matter – Measurement – Balance – Volume

Keywords: Health – Hygiene – Food – Exercise – Daily habits

Keywords: Conduction – Heat – Metals – Touch – Energy transfer

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

Keywords: Sky – Sun – Moon – Stars – Clouds

Keywords: Nutrients – Vitamins – Proteins – Carbohydrates – Food sources

Keywords: Chemical reactions – Daily life – Change – Energy

Keywords: Sky – Stars – Planets – Clouds – Airplanes

Keywords: Birds – Behavior – Protection – Feeding – Care

Keywords: Motion – Speed – Force – Acceleration – Observation

Keywords: Apparent size – Distance – Vision – Dimensions – Perspective

Keywords: Hygiene behaviors – Clean habits – Health – Prevention

Keywords: Five senses – Sight – Hearing – Taste – Smell – Touch

Keywords: Life stages – Human – Plant – Animal – Development

Keywords: Animal body parts – Functions – Movement – Feeding

Keywords: Living organism – Growth – Reproduction – Nutrition – Response

Keywords: Water cycle model – Evaporation – Condensation – Precipitation – Model

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

Keywords: Properties – Substances – Chemical reaction – Before reaction – After reaction – Changes

Keywords: Heat transfer – Objects – Conduction – Convection – Radiation – Temperature

Keywords: Law of Conservation of Mass – Chemical reaction – Reactants – Products – Mass

Objective: To verify that sound requires a material medium to travel, and that solid media transmit sound more efficiently than air.Materials: Two cups – Sharp object to make a hole – Long string.Steps: Make a small hole in the bottom of each cup. Pass the ends of the string through the holes and ti......

Objective: To determine the effect of different amounts of water on plant growth and survival.Materials: Sets of identical small plants – Watering can.Steps: Divide the plants into three equal groups in number and size. Group 1: Give plenty of water daily. Group 2: Give a small amount of water daily......

Keywords: Candle – Energy – Heat – Light – Combustion – Chemical reaction

Objective: To understand how sound is reflected when it hits a reflective surface.Materials: Sound source – Cardboard tubes – Hard reflective surface – Sound barrier – Paper.Steps: Place the sound source inside the first tube and point it toward the reflective surface. Move the second tube until the......

Objective: To explore the ability of different materials to insulate and reduce sound by comparing sound levels after using various insulating materials.Materials: Different insulating materials (such as paper, bubble wrap, blanket). Sound source. Box with a lid. Sound level meter.Steps: Place the s......

Objective: To understand the role of air in helping objects float on water.Materials: Balloon – beach ball – football – plastic bottle half-filled with water – plastic bottle almost full of water – container filled with waterSteps: Prepare a container filled with water and place it on a flat surface......

Objective: To explore how the pitch of sound changes when blowing into bottles containing different amounts of water.Materials: Equal-sized glass bottles – food coloring – waterSteps: Fill each bottle with a different amount of water. Add a few drops of food coloring to make the water levels easier......

Objective: To identify the essential materials required for rust formation in ironMaterials: Steel wool – glass containers – lidProcedure: Place a piece of steel wool in each container and label them (1, 2, 3) In container 1, add a small amount of water to cover part of the steel wool and leave it u......

Objective: To model continental driftMaterials: Pieces of polystyrene – water – a large heatproof dish – Bunsen burnerProcedure: Pour some water into the heatproof dish Place the pieces of polystyrene on the water and wait until they stop moving Heat the water gently at medium temperatureObservation......

Keywords: Sound – Measurement – Frequency – Waves – Vibration – Sound intensity

Objective: To understand the principle of echolocation by using light and a mirror to model how bats and dolphins locate objects.Materials: Small flat mirror _ Light source _ Piece of cardboard _ Four small supports to raise the cardboard above the mirror.Steps: Place the mirror vertically on the ta......

Objective: To identify the factors that affect seed germination such as water and temperature, and to determine the optimal conditions for germinationMaterials: Seeds – transparent glass containers filled with soil – waterSteps: Place an equal number of seeds in each container so they are against th......

Objective: To study the effect of heating on the temperature of water and observe the changes in its physical state (from liquid to vapor) during boiling.Materials: Beaker – Thermometer – Bunsen burner – Tripod stand – Wire gauze – Graduated cylinder – Clamp stand – Heat-resistant base.Steps:Measure......

Objective: To understand the role of muscle contraction and relaxation in arm movementMaterials: Several booksSteps: Hold a book in your hand Bend your arm to bring the forearm closer to the shoulder and observe the muscle in the front of the arm (biceps) Straighten your arm downward to move the for......

Keywords: Rubber band guitar – Sounds – Vibration – String – Frequency – Music

Objective: To understand how the electric switch works in a circuitMaterials: Wood piece – Metal paper clip – Two metal pins – Electric wire – Sharp knife – Wooden stickSteps: Fix the two metal pins into the wooden piece Remove the plastic insulation from both ends of the wires using the knife Wrap......

Objective: To investigate how water, oil, and food coloring interact and observe whether the substances mix or remain separate.Materials: Test tube – water – vegetable oil – food coloringProcedure: Pour some water into the test tube. Add some vegetable oil slowly into the test tube. Add two drops of......

Objective: To identify the stages of the plant life cycle from the seed to the production of new seeds.Materials: One seed _ Pot with soil _ WaterSteps: Place the seed in the soil inside the pot and water it. Observe the germination of the seed as it grows into a small plant. Continue watering until......

Objective: To investigate the effect of a soft drink on an iron nail and observe the changes that occur over timeMaterials: Iron nail – glass cup – soft drinkSteps: Observe the appearance of the iron nail before starting the experiment Pour enough soft drink into the glass cup Drop the nail into the......

Keywords: Tools – Equipment – Laboratory – Chemical experiments – Identification – Safety

Objective: To distinguish between a mixture and a compound through the reaction of iron and sulfur.Materials: Two dishes – stirring tool – boiling tube – test tube holder – sulfur powder – iron filings – steel wool – magnet.Steps: Place some iron filings in a glass beaker, add yellow sulfur powder,......