External Forces Shaping the Earth & Soil and Vegetation

What is an ecosystem?

• A type of soil

• A type of weather

• A community of plants and animals

• A desert area

What is a Biome?

• A functional region based on productivity

• A regional ecosystem with an specific climate, plants, and animals

• A nice and beautifully set place used for trade on several countries

• A group of flowers settled on a wide place

Which of the following is NOT one of the four main types of biomes?

• Forest

• Grassland

• Volcano

• Desert

What is the ring of fire?

• An area on the Atlantic Ocean with many volcanoes

• A wave of very hot weather on a shape of ring

• A rare type of biome

• Area around Pacific Ocean with many volcanoes

“Glaciers can cause erosion by carrying and grinding rocks”

• True

• False

Which natural event causes a tsunami?

• None of the above

• A sudden change in weather

• An earthquake under the sea

• A big movement of the atmosphere

Which process moves broken rock by wind, water, or ice?

• Soil formation

• Chemical weathering

• Weathering

• Erosion

What are the four main types of biome

• Forest, grassland, desert, tundra

• Lake, rivers, tectonic plates, and glaciers

• Mountains, lakes, fountains and weather

• Desert, tundras, space and leaves

Which factors does NOT affect the type of vegetation in a region?

• The color of the rocks

• Soil

• Water

• Sunlight

What is the main cause of mechanical weathering?

• Physical forces

• Chemical reactions

• Wind only

• Humidity