Keywords: Acids – Bases – Indicators – pH – 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: Transpiration – Plants – Water – Leaves – Evaporation

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

Keywords: Blood groups – A B O – Clotting – Antibodies

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

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

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

Keywords: Light – Plants – Photosynthesis – Growth – Energy

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: Atom – Proton – Neutron – Electron – Nucleus

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

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

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

the goal:Revealing how photosynthesis and cellular respiration work together in an ecosystem.Materials and tools:Bromothymol blue (BTB) solution - Glass beaker - Test tubes - Aluminum foil - Aquatic plant.Steps:1- Add a quantity of bromothymol blue (BTB) solution to a glass beaker using a pipette.2-......

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

Keywords: Mold – Fungi – Moisture – Food – Microorganisms

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

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

Keywords: Yeast – Temperature – Growth – Fermentation – Biological activity

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

Objective: To detect the presence of proteins in a sample using the Biuret reagentMaterials: Test tubes _ Test tube rack _ Egg white _ Glucose solution _ Starch solution _ Distilled water _ Biuret reagent _ DropperSteps: Prepare 4 test tubes and place in each one: egg white, glucose, starch, or dist......

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

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

Keywords: Anaerobic respiration – Alcoholic fermentation – Carbon dioxide – Yeast – Sugar

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

Formation of a low-pressure centerlow-pressure center – air pressure – wind – weather – temperature

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

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

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

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

Keywords: Air masses – Fronts – Temperature – Weather – Winds

Keywords: Bacteria – Shape – Growth – Nutrition – Classification

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

Keywords: Genetics – Genes – Mendel – Traits – Punnett squares

Keywords: Mixtures – Separation – Filtration – Liquid – Solid

Keywords: Red cabbage – Color indicator – pH – Acids – Bases

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

Keywords: Chemical reaction – Reactants – Products – Change

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

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

Keywords: Photosynthesis – Light intensity – Plants – Oxygen – Chlorophyll

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

Objective: To determine the importance of light for plant growth.Materials: Two plants – Box.Steps: Place one plant in a bright area. Cover the other plant with a box to block light. Leave both plants for several days and observe the difference.Observation: The plant that received light remained gre......

Objective: To prove that chemical digestion of starch begins in the mouth with the help of amylase enzyme present in saliva.Materials: Bread – Iodine solution – Two plates – Dropper – Spoon.Steps: Place a small piece of bread on the first plate and add a drop of iodine solution. Place a small piece......

Keywords: Classification – Living organisms – Kingdoms – Families – Characteristics – Similarity

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 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......

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......

Keywords: Healthy food – Nutrition – Vitamins – Proteins – Carbohydrates – Minerals – Energy

Objective: To identify the effect of temperature on chemical changes and observe milk spoilage when left at room temperature.Materials: Small glass cup, equal amounts of milk.Steps: Pour equal amounts of milk into two small cups. Place the first cup in the refrigerator. Leave the second cup on a kit......

Keywords: Tropism – Plant response – Light – Gravity – Growth – Stem – Root

Keywords: Soil components – Soil types – Soil properties – Plant growth – Soil moisture – Organic matter

Keywords: Meiosis – Gametes – Chromosomes – Prophase I – Crossing over

Objective: To extract DNA from strawberry cells and observe it with the naked eye.Materials: Ripe strawberry _ Resealable plastic bag _ Dish soap _ Table salt _ Warm water _ Cheesecloth _ Glass cup _ Alcohol _ Wooden stickSteps: Place the strawberry in the plastic bag and mash it thoroughly. Mashing......

Keywords: Body parts – Body organs – Interactive model – Body structure – Simplified anatomy

Objective: To illustrate the anatomy of chordates (notochord — dorsal nerve cord — pharyngeal slits — post-anal tail) by creating a simple model and observing it.Tools: Dissection tray – scalpel – forceps – Petri dish containing the specimen – dissection pins – magnifying lensSteps: Fix the specimen......

Keywords: Microscope parts – Eyepiece – Objective lenses – Frame – Stage – Light source – Fine focus – Coarse focus

Keywords: Selective permeability – Semi-permeable membrane – Diffusion – Molecules – Concentration – Osmosis

Objective: To identify the components of the immune system in the human body.Materials: Diagram of the immune systemSteps:Identify the immune system organs in the diagram.Match the organs with their cards in the model.Connect each organ to its function in defending the body.Compare innate and adapti......

Objective To identify the locations of endocrine glands in the human body and understand the basic functions of each gland and its role in regulating body processes.Tools Diagram of the endocrine systemSteps Observe the locations of the glands in the diagram carefully. Match each gland with its func......

An interactive activity that helps learners identify healthy foods by dragging cards into the correct boxes. Correct choices are confirmed visually, while incorrect ones return to their place.Keywords: Healthy nutrition – Healthy foods – Food classification – Food choice – Body health

Objective Create a model of a plant fossil to understand how real fossils form and how plant traces are preserved in sedimentary rocks.Tools Modeling clay (Plasticine) – leaf with visible veins – bag of Plaster of Paris – water – bowl – stickSteps Roll the clay slightly larger than the leaf. Place t......

Objective To measure the volume of air a person can exhale in a deep breath (vital capacity) or during normal breathing (tidal volume).Tools 5-liter plastic bottle – large water tray – flexible rubber tube – marking pen – small measuring cup – stopwatchSteps Use a 500 ml measuring cup to fill the bo......

Objective To study the effect of cube size and surface area-to-volume ratio on the rate and depth of dye diffusion inside cubes.Tools Starch agar or gelatin block ≥ 3 cm thick – ruler and sharp knife – beaker with methylene blue or potassium permanganate solution – forcepsSteps Use the ruler and kni......

Objective: To study the effect of the angle of incidence of light on the area of its spread and light intensity, and relate this to the occurrence of the four seasons.Materials: Lamp – squared paper – ruler or measuring tapeProcedure: Place the lamp vertically at a distance of 5 cm from the paper (a......

:Objective To identify the external and internal parts of the brain and examine neurons.:Tools Preserved sheep brain in formalin _ Dissection tray _ Dissection tools _ Pins _ Rubber gloves _ Microscope slide _ Light microscope (400× magnification):Steps External dissection: Place the brain convex si......

:Objective Identifying the parts of seeds and comparing dicotyledonous seeds and monocotyledonous seeds:Tools Samples of soaked seeds (such as beans and corn) _ Dishes _ Magnifying lens:Steps Examine the bean and corn seeds using the magnifying lens and observe the different parts of each seed Deter......

:Objective To prove that larvae (worms) do not arise spontaneously from decaying meat, but are produced from eggs laid by flies, thus refuting the theory of spontaneous generation:Tools Two identical glass jars _ A piece of raw meat _ A piece of cloth (gauze) that allows air to pass through _ String......

Objective To understand how different amounts of water affect soil piles of various sizes and simulate the effect of rain on landformsTools Tray – 3 plastic cups with different amounts of soil – water – watering can – ruler – graduated cylinder – plastic spoonSteps Pour each cup of soil carefully in......

Objective: To identify the parts of a bone and their functions.Materials: Picture of a long bone – colored pencilsProcedure: Observe the outer and inner parts of the bone. Identify the Haversian canal, red marrow, and yellow marrow. Color the different parts for better understanding.Observation: The......

Objective: To understand how skeletal muscles work during movement and study the relationship between contraction of one muscle and relaxation of its opposing muscle.Materials: Human arm model.Procedure: Bend the arm at the elbow joint and observe the shape of the biceps and triceps. Straighten the......

Objective: Observe asexual reproduction in strawberry plants through runners and understand how a plant can create a new copy of itself without seeds.Materials: Healthy strawberry plant – pot with moist soil – water.Procedure: Observe the parent plant and its parts. Take a long healthy runner from t......

Objective: To compare the amount of thermal energy released from the combustion of fats and carbohydrates.Tools: Test tube - Combustion spoon - Bunsen burner - Sensitive balance - Thermometer - Water - Sample of white sugar (carbohydrate) - Sample of pure vegetable oil (fat)Steps: Place an appropria......

Objective: To identify the different tissues in a plant stem (xylem – phloem – cortex – pith) and use the differential stain Toluidine Blue O to distinguish them under the microscope.Tools: Fresh plant stem _ Sharp razor blades _ Forceps _ Glass slides and coverslips _ Distilled water _ 30% glycerin......

Objective: To learn the structure of the ear (outer, middle, inner) and understand how sound travels inside it until it reaches the auditory nerve.Materials: Picture or model of the earSteps: Look at the displayed picture. Identify the parts of the ear.Observation:The outer ear (pinna and auditory c......

Objective: To learn the structure of the eye and its internal parts, and understand how light is received and images are formed.Materials: Animal eye _ Scalpel _ Scissors _ Forceps _ Gloves _ Dissection traySteps: Observe the outer shape of the eye and identify its visible parts. Examine the interna......

Objective: To learn how animals hide themselves in the environment to stay safe.Materials: Pictures of different environments _ Pictures of various animalsSteps: Look at the displayed pictures of different environments. Match each animal with the environment where it can hide.Observation: Animals hi......