Examen Natural Resources

QUIZ
Name: __________________ Date: ________________
Grade: ____4_____________ Subject: ______________
Score: ________________
Observations:______________________________________________________
____________________________________________________________________

I. Fill in the blanks with words from the box below.
Coal hydroelectric powerhumus
Topsoil soil profile fosil fuel
Strip mining pollution

1.-A_______________________ is a fuel formed from the remains of ancient plants and animals.
2.- _________________________ is the process of mining coal by stripping away layers of soil and rock above it.
3.-______________________, a common fossil fuel, is used mainly to produce electricity.
4.- ______________________ is the adding of harmful materials to the air, water, and soil.
5.- Energy that comes frommoving water is called_________________________________.
6.- _________________is a substance made up of decayed plant and animal matter.
7.- A ____________________________ shows a lengt wise crosssection of the different layers of soil.
8.- The upper layer of soil, or______________________, contains minerals and humus.






QUIZ
Name: __________________ Date: ________________Grade: ____4_____________ Subject: ______________
Score: ________________
Observations: __________________________________________________________________________________________________________________________

I.- Fill in the blanks with words from the box below.
Reduce pollutant reusable
Slash and burnrecycling
Biodegradable conservation

1.- A_______________________ is a material that causes pollution.
2.- ________________________ is the preservation and wise use of...