Natural vs synthetic
True or false: a resource is anything we use but do not need.
FALSE A resource is anything we need or use.
If something takes millions of years to replace, is it renewable or non-renewable?
Non-renewable
What are two of the three types of fossil fuels?
Oil, gas, coal
What type of renewable energy involves converting light into electricity?
Solar
True or false: rocks that contain valuable minerals are called ore.
True
Give one example of a natural resource.
E.g. water, timber, stone, metals, plants
If something is replaced within a human lifetime and is replenished as fast as it is used, is it renewable or non-renewable?
Renewable
True or false: coal is formed in marine environments and oil/gas are formed in swampy environments?
False
What type of renewable energy uses plant & animal material to make biogas or ethanol (E10 petrol)
Biomass
How can a renewable resource become unsustainable?
If it is used faster than it can be replenished, e.g. rapid deforestation, overfishing etc.
Give one example of a synthetic resource.
E.g. bricks, glass, plastic, jeans
Non-renewable
How is coal extracted from the ground?
Mining
What location would be best for hydroelectricity?
Rivers in steep valleys
True or false: Elements found near the surface of the Earth are usually mined using the underground technique.
False - open cut technique
Is wood a biological, mineral, or energy resource?
Biological
Pine trees grow in 30 years. Are they renewable or non-renewable?
Renewable
How is oil and gas extracted from the ground?
Drilling and pipelines
What type of renewable energy involves water being pumped into hot rock and then steam rising to spin a turbine?
Geothermal
A fishing company catches large numbers of fish each year, including young fish, faster than the fish population can reproduce. Is this sustainable or unsustainable?
Unsustainable
Is aluminium a biological, mineral, or energy resource?
Mineral
The time taken for resources to replenish depends on the resource. We call this a resource’s _______
regeneration time
What gas is released when fossil fuels are burned? What impact does this have on the environment?
Carbon dioxide
Green house gas -> contributes to global warming / climate change
Disrupt animals such as birds.
Take up space within habitats.
Need to mine to get metal to build turbines.
A community plants trees in a forest to replace the trees harvested for timber. They only cut down mature trees and replant new ones each year. Is this sustainable or unsustainable?
Sustainable