Keywords: Rock dissolution – Acids – Reaction – Carbonates – Carbon dioxide

Keywords: Metals – Hardness – Luster – Density – Physical properties

Keywords: Metals – Hardness – Luster – Density – Physical properties

Keywords: Earth’s interior – Crust – Mantle – Core – Plates

Volcano eruptionvolcanic eruption – magma – lava – pressure

the goal:Create a model illustrating the movement of the Earth during an earthquake.Materials and tools:Pieces of cork - a bowl - soil - a wooden piece.Steps: 1- Place the two pieces of cork next to each other in the bowl.2- Cover the cork pieces with soil.3- Gently pull the bowl about 5 c......

Focus, epicenter, and faultearthquakes – focus – epicenter – fault – tectonic plates

What makes rocks different from one another? rocks – minerals – color – hardness – texture – geology

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

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 simulate the formation of crystals in igneous rocks and study the factors affecting the size and speed of crystal formation.Materials Two glass containers _ paper clips _ pencils _ thread _ coarse salt _ hot water _ teaspoonSteps Tie a paper clip to the end of each thread Fill both cont......