Objective: To test for the presence of the carbonate ion.Materials: Sodium carbonate salt. Dilute hydrochloric acid. Distilled water. Magnesium sulfate solution. Test tubes.Procedure: Place a small amount of solid sodium carbonate in a test tube. Add a few drops of dilute hydrochloric acid to the tu......

Objective: To identify the difference between exothermic and endothermic reactions. Materials: Glass beaker, teaspoon, thermometer, water, magnesium oxide (MgO), sulfuric acid (H₂SO₄), baking soda (NaHCO₃), vinegar (CH₃COOH).Procedure:Place a small amount of magnesium oxide in a glass beaker.Add an......

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

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

Keywords: Magnetic properties – Transition elements – Unpaired electrons – Paramagnetism – Diamagnetism – Fe – Co – Ni – Cu – Zn

Keywords: Teeth – Mammals – Incisors – Canines – Molars – Feeding – Food

Keywords: Electrons – Energy levels – Principal quantum number – Electron configuration – Electron shell

Keywords: Distance – Displacement – Path length – Direction – Motion

Objective: Identify the properties of amphoteric oxides.Materials: Test tubes – test tube holder – spoons – aluminum oxide powder (Al₂O₃) – zinc oxide powder (ZnO) – diluted hydrochloric acid (HCl) – diluted sulfuric acid (H₂SO₄) – diluted sodium hydroxide (NaOH) – small burner – dropper.Procedure:......

Keywords: Sound resonance – Frequency – Vibration – Medium – Sound amplification – Sound waves

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: Fish brain – Nervous system – Nerves – Balance – Senses – Dissection – Cerebellum – Brain

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

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

Keywords: Fish dissection – Gills – Fins – Internal organs – Digestive system – Skeleton

Keywords: Electrical conductivity – Water – Solutions – Electric circuit – Conductor – Insulator

Objective: To distinguish between reversible and irreversible reactions.Materials: Candle – white paper – egg – ice cubes – sugar – butter – heat source – heat-resistant container – tongs.Procedure: Observe each material before heating. Heat each material gradually and record the changes. Cool each......

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......

An experiment to explore the structure of the amniote egg and the functions of its membranes.

Titration

Hormonal Glands

The virtual frog dissection experiment allows students to explore the frog’s body systems interactively, including the skeletal, muscular, nervous, digestive, circulatory, and reproductive systems. Each part can be clicked to display its name and function within a safe and clear learning environment......