Keywords: Polysaccharides – Starches – Iodine – Food

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

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

Keywords: Amylase enzyme – Temperature – Digestion – Starch – Enzyme activity

Keywords: pH – Enzyme activity – Reaction – Digestion

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

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

Detection of monosaccharides and disaccharides

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

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

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: DNA replication – Chromosomes – Genetic code – Replication enzymes

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

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

Keywords: Specific heat – Thermal energy – Mass – Temperature

Keywords: Bacteria – Shape – Growth – Nutrition – Classification

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......

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: 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 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......

EnglishObjective To study the effect of different sucrose solution concentrations on the mass and texture of potato tissues, and to understand water movement across semi-permeable membranes by osmosis.Tools Large potatoes – cork borer – pen for pushing cylinders – 6 test tubes – test tube rack – suc......

An experiment aimed at understanding the effect of water and sugar solution on po:Objective To study the effect of water and sugar solution on the length and texture of potato cylinders after immersion.:Tools Large potato - Cork borer - Pencil to push cylinders - Two test tubes - 20% sugar solution......

:Objective To study the activity of the enzyme catalase and how it breaks down hydrogen peroxide, and to compare the activity between different enzyme sources (liver, potato, other plants):Tools Animal liver or plant alternative such as potato _ Mortar and Pestle _ Water _ Sand _ Test tubes _ Filter......

Objective To explain the role of fats in reducing heat loss and show that they act as a thermal insulator that maintains body temperature.Tools Vegetable fats - Double-layer plastic bag - Plastic bag without fats - Bowl containing ice water - ThermometerSteps Place the vegetable fats inside the doub......

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......