Science-rocks And Minerals

Question 0

What is luster and what are the 3 different types of luster

Answer 0

Luster: how much light that is reflected off a mineral

1. Brilliant- a lot of reflection
2. Glassy- some reflection
3. Dull- reflects no light

Question 1

What is a mineral?

Answer 1

non-living materials that are naturally found on the earth

Question 2

What is transparency and give the 3 examples of the different types of transparency

Answer 2

Transparency: being able to see through a mineral

1. Transparent- seeing through clearly
2. Translucent- can see through but the image is blurry
3. Opaque- can’t see through the mineral

Question 3

What is color

Answer 3

Minerals can come in many different colors

Question 4

What is the streak color method

Answer 4

When u scratch a mineral on a streak plate the color that I then on the steak plate is the true color of that mineral

Question 5

What is the hardness method

Answer 5

This scale ranks the hardness of a mineral. A mark will be made on the substance (glass or copper) if the mineral is harder than the substance scratched
Glass: 5.5 on hardness scale
Copper: 3 or a little less on the hardness scale

Question 6

Moh’s hardness scale in order 1-10

Answer 6

1. Talc 2.Gypsum 3.Calcite 4.fluorite

5. apatite 6.Orthoclase 7.quartz. 8.topaz 9.corundum 10. Diamond

Question 7

What is the reaction with acid test

Answer 7

Shows the presents of calcite in a mineral by bubbling and fizzing

Question 8

What is cleavage

Answer 8

How a mineral breaks apart

Question 9

Fracture

Answer 9

When a mineral breaks in a ragged line

Question 10

What is magnetism

Answer 10

The magnetic property a mineral holds

Question 11

What is fluorescence

Answer 11

When some minerals have the ability to temporarily absorb a small amount of light and an instant later releases a small amount of light of a different wavelength

Question 12

What does renewable mean

Answer 12

What we can replace after we use it

Ex. Wood

Question 13

What is nonrenewable

Answer 13

What we can’t replace after we used it

Ex. Rocks, minerals and soil

Question 14

What is an igneous rock

Answer 14

A rock formed by cooling lava

Ex.kimberlite and granite

Question 15

What is magma

Answer 15

Melted hot rock deep beneath the earth

Question 16

What is lava

Answer 16

Melted hot rock after it reaches the surface

Question 17

What is and instructive igneous

Answer 17

Lava that cools before reaching the surface

Question 18

What is extrusive igneous

Answer 18

Lava that cools on the surface

Question 19

What is a sedimentary rock

Answer 19

When sediment lays on top of one another creating layers that then get pressurized making the sediment into a hard rock
Ex. Coal, limestone

Question 20

What is a metamorphic rock

Answer 20

Rocks that are changed by heat/ pressure

Ex.marble, gneiss

Question 21

What is the law of superposition

Answer 21

Younger rocks lie above older rocks only if the layers HAVEN’T been disturbed

Question 22

What is a geologist

Answer 22

A person who studies rocks, minerals and other inorganic subjects from the earth

Question 23

How do u identify a rock

Answer 23

Look at the composition, type of mineral inside the rock, mineral arrangement and the minerals shape and size

Question 24

What is lithification

Answer 24

The conversion of unsolidified sediment into a solid rock (sedimentary rock)

Question 25

What makes up the layer known as lithosphere

Answer 25

Rocks, minerals and soil

Question 26

Crystalline structure

Answer 26

A specific way atoms are arranged Ina repeating pattern