5th Grade Exam #6

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

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

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 _______________

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  

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

Soil Layers: Write the names and characteristics of the layers

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

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