1. 5th Grade Exam #6

2. Vocabulary: fill the blanks
Mineral Humus
Metamorphic Rocks Pollution
Soil Conservation
Fossil fuel Alternative Energy Source
Sedimentary Rocks Reservoir
Nonrenewable Resource Aquifer
Rock Cycle Smog
Renewable Resource Ozone
Igneous Rocks
Alternative Energy Source

3. A ______________ is a solid material of Earth’s crust with a distinct composition
The preservation or protection of natural resources is called ______________
A ________________ is a rock that forms when sedimentary and igneous rocks change under heat and pressure.
A mixture of bits of rock and bits of once-living things is called ______________
______________ is a fuel formed from the decay of ancient forms of life
the changing of rocks over time from one type to another is called ______________
________________ is any source of energy other than fossil fuels
Resource that cannot be replaced within a short period of time is called __________
A ______________ is an artificial lake that is built to store water
______________ is air pollution that is caused by particles that are produced when fossil fuels are burned

4. A rock that forms from sediments is called ____________
______________ is the part of the soil that is made of decayed organic materials.
A resource that can be replaced in a short period of time is called _________
__________________ is a source of energy other than the burning of a fossil fuel
Rock that forms as the lava cools and hardens is called ______________
An ______________ is an underground layer of rock or soil that has pores and can absorb water
_______________ is a form of O2 that protects living things on Earth’s surface from the Sun’s radiation
The addition of harmful materials to soil, air, or water is called _______________

5. Properties of minerals: Match
_______is when the mineral is broken and the surfaces are smooth
_______ is the property a mineral shows when it has uneven or rough surface
_______ is the way a mineral reflects light from its surface
_______ is a measure of how well a mineral resists scratching
Luster
Hardness
Cleavage
Fracture

6. Types of rocks: write the names and do a simple drawing that explain the three types of rocks

7. Soil Layers: Write the names and characteristics of the layers

8. Alternative Energy Source: what are three ways of getting alternative energy. Give examples

9. How do dams affect the environment positively and negatively?
Reservoirs
How do dams affect the environment positively and negatively?