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WorksheetsFragile Earth unit assessment revision quiz
Total questions: 1
Worksheet time: 32mins
What are the three types of fossil fuels mentioned in the document?
Coal, Petrol, and Oil
Coal, Oil, and Natural Gas
Coal, Bunsen Burners, and Power Stations
Sand, Oil, and Mud
How did coal form according to the document?
From the remains of animals and bacteria
From fossilised plants compressed over millions of years
From mud and sand compressed together
From the energy stored in sunlight
What does the document state about the nature of fossil fuels?
They are renewable energy resources
They can be replaced once used
They are finite energy resources
They are mainly used in schools
Where did the energy stored in the fossil fuels originally come from?
From Bunsen burners
From power stations
From sunlight
From mud and sand
What do plants use from the Sun for photosynthesis to make their chemicals?
Heat energy
Light energy
Electrical energy
Kinetic energy
How is the stored chemical energy in plants transferred to animals?
Through water consumption
By animals eating the plants
By animals absorbing sunlight
Through osmosis
What happens to the chemical energy stored in fossil fuels when they are burned?
It is lost completely
It is converted to heat and light energy
It remains unchanged
It turns into magnetic energy
To produce electrical energy from fossil fuels, what must happen to the fuel?
It must be frozen
It must be dissolved in water
It must be burned
It must be exposed to sunlight
What is the sequence of energy conversion when producing electricity from fossil fuels?
Chemical potential energy → Kinetic energy → Electrical energy
Kinetic energy → Thermal energy → Electrical energy
Thermal energy → Chemical potential energy → Electrical energy
Electrical energy → Kinetic energy → Thermal energy
What are the waste products of burning fossil fuels that may harm the environment or people?
Oxygen and hydrogen
Carbon monoxide and helium
Sulfur dioxide, nitrogen oxides, and carbon dioxide
Methane and argon
What is produced when you burn fossil fuels?
Oxygen
Carbon dioxide and water
Nitrogen
Hydrogen
What do some people believe about carbon dioxide emissions?
They have no impact on the environment
They contribute to beneficial global warming
They contribute to harmful global warming and climate change
They are necessary for animal life only
What is the main advantage of biomass fuels mentioned in the text?
They are more expensive than fossil fuels
They are less efficient than fossil fuels
They are less expensive than fossil fuels and carbon neutral
They are non-renewable
Which type of renewable energy converts heat from the Earth into electrical energy?
Solar
Biomass
Hydro-electric
Geothermal
What is the energy change involved with solar energy?
Chemical → electrical
Gravitational potential → electrical
Heat/Light → electrical
Heat → electrical
What is one disadvantage of biomass energy?
It is a renewable energy resource with no fuel costs.
It can lead to deforestation and is not as efficient as fossil fuels.
It produces large amounts of electricity easily.
It is entirely clean with no pollution created.
How is wind energy generated?
Through the up and down movement of waves.
By building tidal barrages across river mouths.
By using the kinetic energy from the Sun's heat and convection currents in the Earth's atmosphere.
By burning natural materials.
What is an advantage of wind power?
Wind turbines can work even without wind.
It produces harmful polluting gases.
It is a non-renewable energy resource with high fuel costs.
It is a renewable energy resource with no fuel costs and no harmful polluting gases.
What is a disadvantage of wind turbines?
They can work in any weather conditions.
They cannot work if there is no wind or if the wind speed is too high.
They are very reliable and can be turned on quickly.
They produce harmful polluting gases.
Which of the following uses the up and down movement of waves to generate electricity?
Wind turbines
Solar panels
Wave machines
Tidal barrages
What is the principle behind tidal barrages generating electricity?
They use solar energy to generate electricity.
They use the Earth's magnetic field to generate electricity.
They use the kinetic energy in water as the tide turns.
They use geothermal heat from the Earth's core.
What is an advantage of water power?
It requires a lot of fuel costs.
It is not a renewable energy resource.
It is a renewable energy resource with no fuel costs and less harmful polluting gases.
It is difficult to scale up the designs for wave machines.
What is a disadvantage of tidal barrages?
They are not reliable and cannot be turned on quickly.
They produce large amounts of harmful polluting gases.
They destroy the habitat around the river mouth.
They are easy to scale up for producing large amounts of electricity.
What is the main advantage of hydroelectric power (HEP) schemes?
They produce harmful polluting gases
They are non-renewable
They are a renewable energy resource with no fuel costs
They cannot be turned on quickly
What is a disadvantage of hydroelectricity dams?
They provide habitats for estuary species
The dams flood farmland and push people from their
homes
They are very reliable and can be turned on quickly
They convert light energy directly into electrical energy
What is an advantage of solar cells?
They are expensive and inefficient
They produce high power levels at low costs
They are a renewable energy resource with no fuel costs
They are mainly used in calculators
What is a disadvantage of solar cells?
They slow down global warming
They are expensive and inefficient
They lower greenhouse gas emissions
They reduce air pollution
Which of the following is NOT listed as a main advantage of using renewable energy sources?
Slow down global warming
Lower greenhouse gas emissions
Reduce air pollution
Increase in global warming
Which of the following elements is a non-metal?
Na
Fe
H
Mg
What state is the element Neon (Ne) at room temperature?
Solid
Liquid
Gas
Plasma
Which of the following elements is a metal?
Cl
Ar
Ca
He
What is required to separate silver oxide into silver and oxygen?
Electricity
A catalyst
Heat
Pressure
What is used along with heat to separate copper oxide into copper and oxygen?
Water
Carbon as the catalyst
Magnesium
Nitrogen
Which method is used to separate compounds that need a lot more energy?
Filtration
Electrolysis
Distillation
Sublimation
According to the reactivity series, how does the position of a metal affect its extraction difficulty?
The higher the position, the easier it is to extract.
The position does not affect the extraction difficulty.
The lower the position, the easier it is to extract.
Only metals in the middle of the series can be extracted.
Which of the following metals is considered very reactive according to the reactivity series shown?
Copper (Cu)
Silver (Ag)
Potassium (K)
Lead (Pb)
What is a substance made up of a metal mixed with another element (usually a metal) to improve the properties of the original metal called?
Alloy
Compound
Mixture
Solution
Which property describes a material that can bend without breaking?
Flexibility
Hardness
Toughness
Density
What is the term for a material's ability to resist wear, scratches, and impacts?
Strength
Hardness
Toughness
Heat resistance
Which property is important for materials that need to allow electricity to pass through them?
Thermal Conductivity
Electrical Conductivity
Density
Flexibility
What property is crucial for materials used in objects that need to be light, such as those that have to move or be moved often?
Toughness
Heat resistance
Density
Strength
What property is essential for a material to resist the effects of heat?
Flexibility
Toughness
Thermal Conductivity
Heat resistance
What does resistance to corrosion refer to?
The ability of a substance to conduct electricity
The ability of a substance to stretch without breaking
The ability of a substance to withstand damage caused by chemical reactions
The ability of a substance to withstand high temperatures
Which two properties would be the most important for the material used to make bungee jumping ropes?
Elasticity and strength
Electrical conductivity and flammability
Corrosion resistance and heat resistance
Strength and electrical conductivity
Which two properties would be the most important for the material used to make metal scaffolding poles?
Elasticity and flammability
Strength and corrosion resistance
Electrical conductivity and heat resistance
Corrosion resistance and flammability
What is 9-carat gold made from?
Gold and silver
Gold and platinum
Gold and copper
Gold and zinc
What is brass commonly used to make?
Cutlery and sinks
Coins and musical instruments
Jewellery
Sinks and saucepans
Which alloy is defined as an iron alloy with chromium, nickel, and tungsten?
9-carat gold
Brass
Stainless steel
Bronze
What property does chromium add to steel?
Makes it easier to stretch
Makes it harder
Makes it resistant to stains
Makes it lighter
Why is nickel added to steel?
To make it lighter
To make it harder
To make it resistant to corrosion
To make it easier to stretch
What effect does tungsten have when added to steel?
Makes it more flexible
Makes it harder
Makes it resistant to electricity
Makes it shinier
The steel used for a screwdriver is more wear resistant because it contains which element?
chromium
nickel
tungsten
iron
The steel used for a saw blade is heated and quickly cooled to make the steel:
more flexible
stronger
harder
more ductile
Why should metals be recycled? (Select all that apply)
