GC Leong

Landforms by runnning water

The Development of River Systems Rivers don’t just appear overnight — they evolve. A river system begins with small streams

Volcanism and Earthquake

Volcanism: Volcanism refers to the geological processes through which molten rock (magma) from the Earth’s interior is ejected onto the

The Earth’s Crust

The Earth consists of three broad layers: Crust: The outermost solid layer which is made up of rocks and minerals,

The Earth and the Universe

The Universe The universe is a vast expanse of space that contains all matter and energy, including galaxies, stars, planets,