Quick Test: 5C - Structure of the Earth

A Tectonic plates are pieces that the Earth's crust and the whole mantle are split into.

B Tectonic plates are pieces that the upper part of the mantle is split into.

C Tectonic plates are pieces that the Earth's crust is split into.

D Tectonic plates are pieces that the Earth's crust and the upper part of the mantle are split into.

A Alfred Wegener's theory of continental drift was not generally accepted for many years because he had little evidence.

B Alfred Wegener's theory of continental drift was not generally accepted for many years because there is lots of evidence against it.

C Alfred Wegener's theory of continental drift was not generally accepted for many years because he couldn't explain how it could happen.

D Alfred Wegener's theory of continental drift was not generally accepted for many years because he had no evidence.

A The tectonic plates are moved by ocean currents. The plates move at relative speeds of a few centimetres per year.

B The tectonic plates are moved by convection currents within the Earth’s mantle. The plates to move at relative speeds of a few centimetres per year.

C The tectonic plates are moved by convection currents in the atmosphere. The plates move at relative speeds of a few metres per year.

D The tectonic plates are moved by convection currents within the Earth’s mantle. The plates move at relative speeds of a few metres per year.

A The heat energy from natural chemical processes in the core causes the tectonic plates to move.

B The heat energy from natural radioactive processes in the mantle causes the tectonic plates to move.

C The heat energy from natural chemical processes in the mantle causes the tectonic plates to move.

D The heat energy from natural radioactive processes in the core causes the tectonic plates to move.

A Chemical to Heat

B Elastic to Heat

C Gravitational to Heat

D Nuclear to Heat

A The sudden movements of tectonic plates can cause volcanic eruptions only.

B The sudden movements of tectonic plates can cause both earthquakes and volcanic eruptions.

C The sudden movements of tectonic plates can cause earthquakes and tidal waves.

D The sudden movements of tectonic plates can cause earthquakes only.

A The Earth consists of a crust, mantle and core.

B The Earth consists of a mantle, crust and core.

C The Earth consists of a mantle, a core and crust.

D The Earth consists of a core, mantle and crust.

A The Earth is composed of mainly of: - iron - argon - silicon - magnesium

B The Earth is composed of mainly of: - iron - oxygen - silicon - magnesium

C The Earth is composed of mainly of: - iron - argon - silicon - tungsten

D The Earth is composed of mainly of: - iron - oxygen - silicon - tungsten

A The Earth's core is composed of mainly of nickel with smaller amounts of iron.

B The Earth's core is composed of mainly of oxygen with smaller amounts of nitrogen.

C The Earth's core is composed of mainly of nitrogen with smaller amounts of oxygen.

D The Earth's core is composed of mainly of iron with smaller amounts of nickel.

A The Earth's crust is composed of mainly of iron,

B The Earth's crust is composed of mainly of oxygen, chemically locked up in rocks.

C The Earth's crust is composed of mainly of nitrogen,

D The Earth's crust is composed of mainly of nickle,

A The atmosphere is composed of mainly nitrogen and oxygen with small proportions of various other gases.

B The atmosphere is composed of mainly nitrogen and oxygen.

C The atmosphere is composed of mainly iron and nickle with small proportions of various gases.

D The atmosphere is composed of mainly iron and nickle.

A The gas test for oxygen is it makes a squeaky pop when lit.

B The gas test for oxygen is it puts out a burning spill.

C The gas test for oxygen is it relights a glowing spill.

D The gas test for oxygen is it turns lime water cloudy.

A The gas test for carbon dioxide is it makes a squeaky pop when lit.

B The gas test for carbon dioxide is it puts out a burning spill.

C The gas test for carbon dioxide is it relights a glowing spill.

D The gas test for carbon dioxide is it turns lime water cloudy.

A The gas test for hydrogen is it relights a glowing spill.

B The gas test for hydrogen is it makes a squeaky pop when lit.

C The gas test for carbon dioxide is it puts out a burning spill.

D The gas test for hydrogen is it turns lime water cloudy.

A The levels in the atmosphere are maintained by evaporation.

B The levels in the atmosphere are maintained by combustion.

C The levels in the atmosphere are maintained by decomposition.

D The levels in the atmosphere are maintained by photosynthesis.

A Methane is a sign that life is on an other planet.

B Carbon dioxide is a sign that life is on an other planet.

C Oxygen is a sign that life is on an other planet.

D Nitrogen is a sign that life is on an other planet.