Rocks and Soil

What are the three main types of rocks?

• Sedimentary, volcanic, and crystalline

• Granite, basalt, and slate

• Limestone, marble, and sandstone

• Igneous, sedimentary, and metamorphic

Which type of rock is formed from the cooling of magma or lava?

• Metamorphic rock

• Volcanic rock

• Sedimentary rock

• Igneous rock

Which type of rock is formed from the alteration of existing rocks due to heat and pressure?

• Metamorphic rock

• Volcanic rock

• Igneous rock

• Sedimentary rock

What are the three main layers of soil?

• loam, silt, humus

• topsoil, subsoil, bedrock

• gravel, pebbles, rocks

• mud, clay, sand

Which soil layer is the topmost layer that contains organic matter?

• O horizon

• A horizon

• C horizon

• B horizon

What type of rock is limestone?

• Igneous

• Metamorphic

• Sedimentary

• Granite

What type of rock is granite?

• Igneous

• Metamorphic

• Volcanic

• Sedimentary

Which type of soil is best for growing plants?

• Loamy soil

• Rocky soil

• Clay soil

• Sandy soil

What is the process of soil particles being carried away by water or wind?

• Sedimentation

• Erosion

• Weathering

• Deposition

Which type of rock is formed from the accumulation of organic remains?

• Organic sedimentary rock

• Volcanic sedimentary rock

• Igneous sedimentary rock

• Metamorphic sedimentary rock