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Science Test 1

5th Grade Science Review BJU

QuestionAnswer
Label the layers of the earth. 1. crust 2. mantle 3. core
Scientists who study the nonliving parts of the earth are called ___________. Geologists
Scientists believe that the __________, the center of the earth, is very hot and under extreme pressure. core
The _____________ makes up most of the earth's mass and is made of hot, melted rock called magma. mantle
Magma that comes through cracks in the surface of the earth is called ________________. volcanos
the thin, outer layer of the earth is called the _____________. crust
Bits of weathered rock, called ________________, are moved by erosion and often settle at the bottom of bodies of water. sediment
Particles in the soil that were once part of a living thing are known as ____________ particles. organic
Why would a gardener add humus to the soil? The moisture and humus in this fertilizer supplies nutrients.
What is soil? What is it made of? Loose material on the surface of the earth
What is man's responsibility for the resources God provides? To take care of it and be thankful
Define inorganic substance Made of things that have never been alive
Define mineral It is an inorganic substance found naturally in the earth
Color of the mark made when a mineral sample is rubbed on a harder surface streak
Orderly arrangement of the particles that make up a mineral crystal structure
color seen when you look at a mineral color
breaking of a mineral along smooth, straight lines or into flat sheets cleavage
ability of a mineral to resist scratching hardness
way a mineral reflects light luster
True or False - A mineralogist is a scientist who studies minerals True
True or False - A mineral like quartz does not break along a straight line. The uneven breaking in many directions is called fracture True
True or False - The hardness of minerals is decided by comparing the results of a scratch test to the Friedrich scale. False - its the Mohs scale
The body uses minerals to grow and function properly. True
A mineral that can be cut and polished for use is a ______________. gemstone
Cubic zirconia is man-made, or _______________. synthetic
The strongest minerals are diamonds and ______________. rubies
True or False - Some minerals are also metals. True
True or False - Metals are usually located in rocks called ores. True
True or False - Metals are sometimes combined to increase their weight. False - increase their strength
True or False - Some usable materials, such as minerals, are removed from the earth by the mining industry. True
Toothpaste Fluorite
Electrical wires Copper
Fertilizer Calcite
Cosmetics Mica
What characteristics of metal make it useful to manufacturers of file cabinets and shelves? They can be hammered or flattened into thin sheets
What is a precious stone? Give three examples. Diamonds, Rubies and Emeralds
Formed from volcanic magma or lava igneous rock
Formed when layers of sediment and organic material harden Sedimentary Rock
Formed by heat and pressure deep below the earth's crust Metamorphic Rock
2 types of igneous rocks obsidian, pumice
Two types of metamorphic rocks marble, slate
Two types of sedimentary rocks conglomerate, limestone
A hard, natural substance made of one or more minerals and sometimes organic materials is called a _____________. rock
___________ is a rock that forms from decayed plant matter. Coal
Slate is a metamorphic rock that was once a ________________ rock. sedimentary
Why is God often referred to in the Bible as a rock? He can never break
Created by: bgpalmers
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