What is a solid element or compound from the earth's crust that has a definite chemical composition and crystal shape?
100
diamond
What is the hardest mineral?
100
step 1
Iron ore is mixed with a kind of coal called coke and crushed limestone is added. What step is this of the 5 steps of smelting?
200
luster
What mineral property refers to the way light is reflected from the surface of the mineral?
200
silicon and oxygen
What is quartz made of?
200
ores
What are minerals from which metals can be removed from?
200
non renewable resource
What is a natural resource that cannot be replaced?
200
step 2
The mixture is heated and the ore melts. The limestone mixes with unwanted materials and becomes a waste product known as slag. What step is this in the 5 steps of smelting?
300
hardness
What mineral property measures how easily it can or cannot be scratched?
300
concrete
What building material can you use quartz to make?
300
smelting
What is the process of removing metal from ores?
300
diamonds
What mineral is found by mining in kimberlite? (much like panning for gold)
300
step 3
The melted mixture works its way down the furnace and it gets hotter as it goes. What step is this of the 5 smelting steps?
400
streak
What mineral property looks at the color of powder left behind after it has been scratched?
400
computer chip
Silicon is used to make what technological tool?
400
natural resource
What is any useful material or energy source found in nature?
400
concrete, building materials, glass, computer/ds chips
What is 1 use of quartz?
400
step 4
Wastes float on the molten metal. The slag is drained off. What step is this of the 5 smelting steps?
500
cleavage
What mineral property looks at if it has split along or has flat surfaces?
500
quartz sand
The most common type of sand is?
500
renewable resource
What is a natural resource that can be replace in a short amount of time?
500
brown
What color are Ms. Stevens eyes?
500
step 5
The pig iron is drained from the bottom of the furnace. What step is this in the 5 steps of smelting?