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......

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

Keywords: Transpiration – Plants – Water – Leaves – Evaporation

Keywords: Light – Plants – Photosynthesis – Growth – Energy

Keywords: Soil – Plants – Growth – Requirements – Water

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

Effect of light on the appearance of chlorophyll in some plantsKeywords (English): chlorophyll – light – photosynthesis – plant pigments

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......

Parts of a flower

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

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......

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-......

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......

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

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......

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

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

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

Keywords: Chlorophyll – Light absorption – Photosynthesis – Pigments

Keywords: Gas exchange – Stomata – Oxygen – Carbon dioxide

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

Keywords: Starch formation – Photosynthesis – Light – Chlorophyll – Glucose

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 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 identify the effect of fertilizer quantity on the growth rate of plants.Materials: Duckweed plant – Petri dishes – Fertilizer solution – Water.Procedure: Add equal amounts of water to five Petri dishes. Add different quantities of fertilizer solution: Dish 1: No fertilizer – Dish 2: 0.......

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 how respiration and photosynthesis affect the concentration of carbon dioxide.Materials: Test tubes – holder – rubber stoppers – perforated metal platforms – small pieces of aquatic plants – small animals (such as fly larvae) – forceps – black paper – adhesive tape – hydrog......

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

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

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

Objective:To prove that living organisms carry out respiration, and that this process releases energy in the form of heat.Materials:Thermometer - cotton wool - two flasks - insulating material - some dead pea seeds - some living pea seedsSteps:Soak the living pea seeds for one hour.Place the germina......

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 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: 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......