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Core Science
Core Science
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Flashcards
21 cards
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Practice quiz
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Questions
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Answers
1
we extract iron from iron ore by reducing it using carbon in a blast furnace
false
true
2
whats above the crust
bread rolls
atmosphere
crust
mantle
3
CHEMISTRY: How is limestone turned into cement?
cooling limestone with clay
removing limestone
adding cement
heating limestone with clay
4
what are recreational drugs
drugs taken for pleasure
drugs taken for medical purposes
new drugs
drugs for the cool kids
5
whats a consumer
things that eat each other
herbivores
carnivores
animals that eat primary producers
6
pure iron is very strong so it is useful
true
false
7
What are living indicators?
Temperature, PH, Oxygen levels
plants/animals that grow in non/polluted areas
Mass of biological material
Biological material from living or recently living organsims
8
the compound in crude oil is separated by
filtering
fermenting
cracking
distillation
9
titanium and aliminum are useful because they ............?
are strong
can be made into low voltage electricity cables
can be made into bikes
resist corrosion
10
what's in a nucleus
protons + compounds
protrons + nuetrons
protons + electrons
protons + neutrons
11
what are tectonic plates
earths crust and upper most part of mantle that is cracked
earths crust and seas that move
earths shell
china plates
12
what type of reproduction is this called?
asexual
photosynthesis
respiration
sexual
13
copper is extracted by ..............?
smelting
cracking
roasting
boiling
14
all elements are made up of .............?
compounds
atmos
atoms
aetoms
15
Why do some people think the mantle is best decribed as a very thick syrupy liquid
it behaves like a solid
it flows very slowly
because it is.
it is a liquid?
16
what is a double bond
a chemical bond between five atoms
a chemical bond between two atoms
a bond
17
what causes acid rain
sulphur dioxide
wind
carbon dioxide
hydroxide
18
What is the placebo effect?
Memory loss in senile people
A hallucinogen
A dummy treatment
A type of drug
19
what is decay
the process of living
cracking
old age
breaking down dead organic matter
20
BIOLOGY: What types of cloning are there?
Cell transplantation
Cuttings
Cell culture
Tissue culture
21
crude oil is a mixture of many different compounds
true
false
