Keywords: Soil – Sand – Silt – Humus – Rocks

Keywords: Light – Plants – Photosynthesis – Growth – Energy

Keywords: Soil – Plants – Growth – Requirements – Water

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

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......

Volcano eruptionvolcanic eruption – magma – lava – pressure

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

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

Objective: To observe the effect of water on rocks and note the physical changes that occur when they are wet.Materials: Dry rocks – Water.Steps: Examine some dry rocks and note their texture and appearance. Place the rocks in a tray and start pouring water on them. Observe the changes that occur to......

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 understand how a volcano erupts by simulating the pressure that pushes magma to the surface.Materials: Transparent rectangular container _ Layers of sand and clay _ Water _ Red modeling clay _ Transparent cover _ Wooden stickSteps: Form layers of soil inside the container and place a l......

:Objective To identify the presence of invisible air pollutants and demonstrate that air contains suspended particles such as dust and smoke that are not visible to the naked eye.:Tools White paper _ Adhesive material (Vaseline or oil) _ Adhesive tape _ Open place inside the room _ Smoke source:Step......