Show:
Key terms
About rocks
About Minerals
mining
Interesting Facts
100
What is concrete ?
concrete is a building materiel that comes from cement. It is used for building.
100
What are rocks made from?
Rocks are made from 2 or more minerals.
100
What are minerals made of?
2 or more elements.
100
How has mining changed land?
mining has changed the land by destroying it because to dig a mine you destroy the land.
100
What is the Earth's surface made of?
The Earth's surface is made of rocks and minerals.
200
What are ores?
ores are rocks that contain large amounts of ceritan metals
200
What can rocks tell us about the land?
They can tell us how the land is and how it changed over time.
200
What is lustre?
lustre is the reflection of light from the surface of a mineral there is metallic and non metallec lustre
200
How can old mining sites be reused?
limestone quarry- turned into a swimming pool or garden.
200
What does geology mean?
Geology means the study of Earth in Greek.
300
Why is it important to know what rocks and minerals are made
Because we use them in our everyday lives.
300
Name each type of rock and name an example for each.
Igneous- Pumice Sedimentary- limestone metamorphic- marble
300
What is colour?
many minerals come in many colours we cant always identify minerals by colour
300
name 2 advantages and 2 disadvantages of mining..
2 advantages- we get jewelry and we can salt the road 2 disadvantages- salt can ruin habitats and mining ruins the land
300
What are the 3 main layers of the Earth?
Crust, Mantle and core.
400
What is fly ash and how is it used
Fly ash is made out of calcium, silicone, and iron. It is often used at landfills.
400
how is igneous formed
Igneous is formed when a hot liquid rock called magma cools and hardens
400
What is hardness?
The hardnees of a mineral is a clue to its identiy
400
Is it good to mine or not? Answer in your own words.
Answers will vary.
400
What is another word for the Earth's surface?
Bedrock.
500
What is smelting?
Smelting is a proccees that uses very high heat to seprate minerals
500
how is sedimentry formeed
sedimentry is formed on top of egsisting rocks and our made from materials that come from other rocks shells or plants
500
What is magnetism?
Some minerals are atracted to magnets
500
What are two minerals that come from mining
gold and copper
500
Why is it important to know what rocks and minerals are made of?
It is important to know what they are made of because we use them in our daily lives.