Natural Resources 1
______ energy is energy harnessed from the sun.
What is solar?
The _______ is a hydropower that produces electricity in Hartwell.
What is the Hartwell Dam?
______ are formed from the remains of dead plants and animals.
What are fossil fuels?
The 1st layer of soil that consists of organic material is called
What is Humus?
Methods to maintain the fertility of soil by protecting the soil from soil erosion and nutrient loss are called _______.
What is soil conservation?
Energy produced by wind turbines that cause a generator to move, creating electricity, is called
What is wind energy?
A resource that can be replaced as quickly as it is used is called a ______.
What is a renewable resource?
A solid sedimentary rock formed from the remains of ancient plants is called _____.
What is coal?
This soil layer contains the most soil life.
What is topsoil?
The practice of leaving old stalks to provide cover from rain is called _____
What is no-till farming?
Hydropower is energy that is created from the force of moving ______.
What is water?
A resource that cannot be replaced as quickly as it is used is called a _______
What is a nonrenewable resource?
_______, also known as petroleum, is formed from the remains of ancient marine organisms.
What is crude oil?
_____ is the layer of soil that is rich in minerals like iron and aluminum.
What is subsoil?
_______ is a soil conservation technique that helps prevent erosion from heavy rain by plowing across the slope of a hill.
What is contour plowing?
______ energy is heat that comes from deep within the Earth.
What is geothermal.
Resources that are found in nature and are useful to people are called _____.
What are natural resources?
______ is a mixture of gases that is often found with petroleum.
What is natural gas?
______ is the layer that consists mainly of pieces of weathered rock and determines the soil's pH.
What is parent material?
Soil formation begins with the weathering of ______.
What is bedrock?
Biomass is energy that comes from living ____ and _____.
What are plants and animals?
Nuclear energy is released by the splitting of ______ atoms, which produces steam to power a generator creating electricity
What is uranium?
A mixture of rocks (minerals), air, water, and organic matter is called ______.
What is soil?
The ______ layer is a mass of rock like granite, quartzite, limestone, or sandstone.
What is bedrock?
A layer of soil with a specific characteristic is called a _______.
What is a soil horizon?