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Year 10 Exam Revision Part 4 Flashcards | StudBud

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Fossils are found only in

Why is the inner core of the earth solid?

Year 10 Exam Revision Part 4

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Year 10 Exam Revision Part 4

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Questions 12

Answers

1
Why is the inner core of the earth solid?
Because it's cool
Because it's very hot
Because the pressure is very high
Because there are nuclear reactions
2
Fossils are found only in
Sedimentary rocks
Igneous rocks
Pumice
Metamorphic rocks
3
Tectonic plates are constantly moving. Why?
Because they are floating on the sea
Because of the animals moving around
Because of the earthquakes and volcanoes
Because of the convection current in the mantle
4
The type of rocks formed by magma/lava cooling down
Sedimentary
Igneous
Metamorphic
Marble
5
Which scale is used for measuring the energy released in earthquakes?
Fischer scale
Seismograph
Richter scale
Mercalli scale
6
Atomic number is
the number of protons plus neutrons
the number of electrons in the outer shell
the number of neutrons
the number of protons
7
Which of these is NOT a product of incomplete combustion?
Carbon dioxide
Carbon
Carbon monoxide
Water
8
Phenotype is
An alternative version of genotype
The characteristic of recessive allele
The characteristic expressed by the genotype
Genotype which has two identical alleles
9
Respiration equation
glucose + carbon dioxide -> oxygen + water + energy
glucose + oxygen -> carbon dioxide + energy
glucose + oxygen -> carbon dioxide + water + energy
glucose + water + oxygen -> carbon dioxide + energy
10
Heterozygous genotype means
Two alleles are different
Two alleles are the same
Both alleles are recessive
Both alleles are dominant
11
Continental drift theory was first proposed by
Indiana Jones
David Attenborough
Joseph Thompson
Alfred Wegner
12
C₄H₁₀
Propane
Hexane
Butane
Pentane