soil erosion
What do farmers do to prepare the soil for planting?
Tilling and plowing
What is a natural formation of rock or soil on earth's surface?
a landform
What is the process of rocks breaking and down and crumbing into little pieces?
weathering
What is the earth trembling and shaking called?
earthquake
Water, air, and soil are forms of natural....
resources
What do farmers do after harvest to help with soil erosion?
use a chisel plow to turn over the fields
What is the beginning of a river called?
the source
What can erupt from volcanoes?
magma
The break between two moving plates of the earth is called?
What is 70% of the earth covered by?
water
What does a wise farmer do?
keep his land planted
When snow melts and water trickles down onto streams it is called what?
water runoff
What is a volcano?
a place in the earth where magma can erupt as lava
What is a large mass of rock or soil moving all at the same time called?
landslide
What is the matter that settles at the bottom of a liquid called?
sediment
How does wind cause soil erosion?
It blows the dry topsoil away.
the mouth
What is lava?
melted rock that flows out of a volcano
Flooding, earthquakes or volcanic eruptions can cause this...
landslide
What is the act of taking wise care of what God has given us called?
stewardship
It flows down a carries the top soil away
The river flows over the land picking up fine sand called what?
silt
How do volcanoes change the earth?
some form mountains or land from the lava flow
What three things can cause a quick change in the earth's surface?
volcanic eruptions, earthquakes, and floods
How can we conserve natural resources?
by using them wisely; recycle, repurpose, reuse