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WorksheetsWeek 2 - Changing Earth
Total questions: 10
Worksheet time: 3mins
According to the theory of Natural Selection, individuals that survive and reproduce are those that..
Produce the most offspring
Produce the greatest variety of offspring
Have variations that are best suited to survival in that particular environment
Encounter the least competition from other species
Have become faster and stronger over time
What is the composition of the Earth's atmosphere?
79% Nitrogen, 20% Oxygen, 1% other gases
79% Nitrogen, 20% Carbon Dioxide, 1% other gases
79% Carbon Dioxide, 20% Nitrogen, 1% other gases
49% Nitrogen, 30% Carbon Dioxide, 1% Other gases
Which is true about planet Earth?
Much of the seismic activity occurs at the boundary of the tectonic plates
The inner Earth is comprised only of a liquid core
The outer layer is broken into tectonic plates which are rigidly fixed to the inner mantle
Gondwana land describes a northern land mass that was once joined.
What is the difference between weather and climate?
Climate is short term, weather is day to day
Climate is regional, weather is local
Climate is long term, weather is short term
They are interchangeable
Which of the following is true about rocks?
Rocks are the same as minerals
Rocks are matter composed of a singular type of mineral
Rocks do not contain minerals
Rocks are mixtures of different types of minerals
Which of the following is not a type of rock that makes up the rock cycle
Sedimentary
Metamorphic
Igneous
Magma
Metamorphic rocks are formed as a result of..
Extreme heat or pressure
The settling and compaction of particles
The melting of solid rock
The transformation of crystals over time
Which type of information can be gained from ice cores? Choose all that apply.
Past composition of Earth's atmospheric gases
Types of pollen (and hence plant types) that were once present
Particles of dust, ash, trace elements that were present in the atmosphere when the ice froze
What is the half-life of a radioactive isotope in a fossil defined as?
Half the age of the fossil
The ration of daughter (unstable) to parent (stable) isotope in a fossil
The time it takes for half the (unstable) parent isotope in the fossil to break down into a (stable) isotope
Earth's crusts move on top of the..
Ocean
Mantel
Outer core
Inner core
