دروس الصف السادس

a vibrant underwater coral reef teeming with colorful fish and sea life

a river splitting into many branches as it meets the sea, forming a green fan-shaped delta, aerial

a cutaway of the ground rupturing along a fault line, seismic waves radiating through rock layers

a massive blue glacier carving a valley, with crevasses and a meltwater river at its snout

a golden African savanna with scattered acacia trees and grazing wildlife

a swirling spiral hurricane seen from space above a blue ocean and coastline

a chain of tropical volcanic islands ringed by coral reefs in a turquoise sea, aerial

a stylized world-journey scene: travelers with suitcases, a ship and a plane over open landscape

a montage landscape with a forest, an oil field, farmland, and a mine under one sky

a stylized globe of the oceans with flowing warm and cold current ribbons, no text

a rugged peninsula of land reaching into the sea with cliffs and a lighthouse

a cutaway of Earth's crust showing plate boundaries, a spreading ridge and a subduction trench with magma

flat-topped rock plateaus and mesas rising above an arid landscape at sunset

a lush multi-layer rainforest interior with canopy, vines, mist, and colorful birds

a cutaway hillside showing soil layers being worn away by rain and wind into a gully

a cross-section of the sky showing cloud layers, a storm cell, and clear air above

a vast dark evergreen boreal forest with a still lake and distant snowy peaks

a stark treeless Arctic tundra with mosses, a caribou, and low sun

a landscape water cycle: sea evaporating, clouds over mountains, rain, and rivers returning to sea

a towering ocean wave approaching a coastline, cutaway showing the wave building from the seabed

a dramatic erupting volcano with glowing lava, ash plume, and a cutaway of the magma chamber

a powerful multi-tier waterfall plunging into a misty gorge surrounded by lush green

a lush green wetland with reeds, still water, wading birds, and mist