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Vocabulary that Matters
Alloys and metals
Salts and reactions
Rock Types
Properties
100
When one or more substances are changed into new substances is called this.
What is a chemical reaction?
100
What can copper and gold be used for?
copper- wiring roofs gold - decoration uv protection
100
When magnesium reacts with oxygen what does it form?
Magnesium oxide
100
Rock that forms from the cooling of magma below Earth's surface or lava at the surface is called ____________.
Igneous
100
This is what describes when something does not melt easily
it has a high melting point
200
where acid rain breaks down rocks over time?
What is chemical weathering?
200
What is brass made of? remember your coins
copper and zinc
200
What gas is acid rain made form
sulphur dioxide or sulphuric acid
200
Small, solid pieces of material that come from rocks or living things are called _______.
Sediment
200
When something breaks easily it is this?
It is called brittle
300
When two tectonic plates push together these form?
What is mountains?
300
Are alloys elements or mixtures?
mixtures made of elements
300
Finish the neutralization equation Acid + ________ -> salt + ________
Acid + base -> salt + water
300
The carrying away of rock fragments by water, wind, or ice is called _________.
erosion
300
This means the material can be drawn out into thin wires and is flexible.
What is ductile?
400
A material that has been recycled or reused and does not have a large impact on the enivronment
What is a sustainable material?
400
when iron reacts with oxygen it rusts, what alloy can we make with iron to stop it from rusting?
What is stainless steel
400
finish the equation copper oxide + sulphuric acid -> ________ + _________
copper oxide + sulphuric acid -> water+ copper sulphate
400
Where does most metamorphic rock form?
Deep in the Earth's surface.
400
Where a substance is flexible and can be rolled or hammered without cracking.
What is malleable?
500
What does non renewable mean?
That something is made from raw materials from the Earth and we will eventually run out of it
500
Why are alloys stronger?
They are made of more than one atom so the mixture structure stops atoms from sliding past each other
500
when you react a metal carbonate like copper carbonate with acid like sulphuric acid what compounds do you make?
water carbon dioxide and a salt
500
Name a type of sedimentary, igneous and metamorphic rock. In your answer you must indicate which is which.
sedimentary- limestone, mudstone, sandstone metamophic -marble quartz igneous - granite basalt obsidian
500
When metals burn they make metals oxides, are these basic or acidic?
They are bases or alkaline