Science - Layers Of The Earth!

Front 1

Layers of the Earth

Back 1

Crust, Mantle, Core

Front 2

Scientists who study the nonliving parts of the earth are called _________.

Back 2

Geologists

Front 3

Scientists believe that the _____, the center of the earth, is very hot and under extreme pressure.

Back 3

Core

Front 4

The _____ makes up most of the earth's mass and is made of hot, melted rock called magma.

Back 4

Mantle

Front 5

Magma that comes through cracks in the surface of the earth is called _______.

Back 5

Lava

Front 6

The thin, outer layer of the earth is called the ______.

Back 6

Crust

Front 7

Bits of weathered rock, called ______, are moved by erosion and often settle at the bottom of bodies of water.

Back 7

sediment

Front 8

Particles in the soil that were once part of a living thing are known as _______ particles.

Back 8

organic

Front 9

Why would a gardener add humus to the soil?

Back 9

It helps the plant stay alive

Front 10

What is soil? What is it made of ?

Back 10

loose material on the surfaces

Front 11

What is man's responsibility for the resources God provides?

Back 11

Don't made it erode too fast.

Front 12

Inorganic Substance

Back 12

Things that have never been alive

Front 13

Mineral

Back 13

An organic substances found naturally in the earth

Front 14

color of the mark made when a mineral sample is rubbed on a harder surface

Back 14

streak

Front 15

orderly arrangement of the particles that make up a mineral

Back 15

crystal structure

Front 16

color seen when you look at a mineral

Back 16

color

Front 17

breaking of a mineral along smooth, straight lines or into flat sheets

Back 17

cleavage

Front 18

ability of a mineral to resist scratching

Back 18

hardness

Front 19

way a mineral reflects light

Back 19

luster

Front 20

A mineralogist is a scientist who studies minerals

Back 20

true

Front 21

A mineral like quartz does not break along a straight line. The uneven breaking in many directions is called fracture.

Back 21

true

Front 22

The hardness of minerals is decided by comparing the results of a scratch test to the Friedrich scale.

Back 22

?

Front 23

The body uses minerals to grow and function properly.

Back 23

true

Front 24

formed a volcanic magmaor lava

Back 24

igneous rock

Front 25

formed when layers of sediment and organic material

Back 25

sedimentary rock

Front 26

formed by heat and preasure deep below the earths crust

Back 26

metamorphic rock

Front 27

igneous rocks

Back 27

pumice obsidian

Front 28

metamorphic rocks

Back 28

slate,marble

Front 29

sedimentary rocks

Back 29

limestone,conglomerate

Front 30

ahard natural substance made of one or more mineralsand sometimes organic materials is called a

Back 30

rock

Front 31

______ is a rock that forms decayedplant matter

Back 31

coal

Front 32

slate is a metamorphic rockthat was once a _______ rock.

Back 32

sedimentary

Front 33

why is God often referredmto in the bible as a rock.

Back 33

He is strong and relible.

Front 34

a mineral that can be cut and polished for use is a.

Back 34

gemstone

Front 35

cubic zirconia is a man made,or

Back 35

synthetic

Front 36

the strongest minerals are dimonds and

Back 36

rubies

Front 37

some minerals are also metals.

Back 37

true

Front 38

metals are usally located in rocks called ores

Back 38

true

Front 39

metals are sometimes combined to increase their weight

Back 39

false its strenght not weight

Front 40

some usable materials,such as minerals ,are removed from the earth by the mining industry

Back 40

true

Front 41

toothpaste

Back 41

fluorite

Front 42

electrical wires

Back 42

copper

Front 43

fertilizer

Back 43

calcite

Front 44

cosmetics

Back 44

mica

Front 45

what characteristics of metal make it useful to manufacturers of file cabinets and shelves?

Back 45

metal can be hamered into flat sheets.