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Bella S2
Dynamic Earth
Rock formed from molten magma | Igneous |
Rock formed by heat and pressure | Metamorphic |
Rock formed by particles settling over time | Sedimentary |
What types of rock CAN contain crystals? | Igneous & metamorphic |
What types of rocks CAN contain fossils? | Sedimentary & metamorphic |
Type of rock formed from cooling magma OUTSIDE a volcano | Extrusive igneous rock |
Type of rock formed from cooling magma INSIDE a volcano | Intrusive igneous |
Which type of rock has larger crystals? | Intrusive igneous rocks |
What is the rule between rock cooling time and the size of the crystals formed? | The longer it takes to cool, the larger the crystals. |
What metal is extracted from the ore called Haematite? | Iron |
What metal is extracted from the ore called Malachite? | Copper |
What metal is extracted from the ore called Bauxite? | Aluminium |
How are the MOST reactive metals extracted from their ores? | Electrolysis |
Name a metal that is native or can be extracted from its ore using heat alone. | Gold, Silver |
Name a metal extracted from its ore by heating with carbon. | Iron, copper, lead, zinc |
Which of the following metals is the LEAST reactive? Magnesium, Zinc, Copper or Calcium | Copper |
Which of the following metals is the MOST reactive? Magnesium, Zinc, Copper or Calcium | Calcium |
Why is energy consumption increasing? | population increases, industrialisation of developing countries, increasing technology consumerism. |
Name a fossil fuel. | Coal, oil, gas |
How is crude oil separated into useful products | Fractional distillation |
What property of the various molecules in crude oil allows them to be separated? | Size (number of carbon atoms) |
The production of what gas is thought to be mainly responsible for global warming? | Carbon dioxide |
How are humans causing more carbon dioxide to be released into the atmosphere? | Burning fossil fuels, increased consumerism. |
What are humans doing which is reducing the amount of carbon dioxide that is naturally removed from the atmosphere? | Cutting down trees. |
How does burning fossil fuels cause acid rain? | Nitrous oxide and/or sulfur dioxide gas are released, which dissolve in cloud vapour forming nitric acid and/or sulfuric acid |
What effect can acid rain have on the physical environment | Increase the rate at which rock breaks down, increase the rate of rusting. |