Important Terms 1
Important Terms 2
Soil
Landforms
Surface Changes
100

What is the imaginary line around the earth between the North and South Poles?

equator

100

What is taking wise care of what God has given?

stewardship

100

What are the 3 layers of soil?

topsoil, subsoil, and bedrock

100

What is a natural formation of rock or soil on the earth's surface?

landform

100

What is a place in the earth where magma can erupt as lava?

volcano

200

What is an instrument that uses a magnetized needle to point north?

compass

200

What is the outer layer of the earth that has bedrock on the top layer?

crust

200

What word means "able to produce many healthy plants"?

fertile

200

What is the beginning of a river called?

source

200

What is a shaking of the earth's crust?

earthquake

300

What is hot, liquid rock?

magma

300

What is where a river ends?

mouth

300

What is a substance or material in the earth that has never been alive?

mineral

300

What is the forming of soil from rock breaking down and crumbling into little pieces?

weathering

300

What is a melted rock that flows from a volcano?

lava

400

What is the middle layer of the earth that has magma?

mantle

400

What is the inner part of the earth that is very, very hot?

core

400

What is the decayed material in soil?

humus

400

What is precipitation on land that eventually trickles into streams?

water runoff

400

What is a break between two of the earth's plates where earthquakes can happen?

fault

500

What is matter that settles to the bottom of a liquid?

sediment

500

What is it called when a farmer plants different crops from year to year?

rotation

500

What is the loss of topsoil by water and wind?

erosion

500

What is fertile soil gathered at a river's mouth that makes a new landform?

delta

500

What is a large mass of rock or soil from a mountain or cliff?

landslide