Earth's Resources

Carlos uses the internet to collect information about the use of world energy resources in 2016.

Hydroelectric is a renewable resource.

Write down the names of two other types of renewable resources.

The pie chart will be different in the year 2050 compared to 2016.

Suggest three differences.

Which three of these energy sources are non-renewable?

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Estimate the percentage of renewable energy provided by biomass in 2012.

The percentage of the renewable energy resources used changed from 2012 to 2014.

Which percentage increased the most? ​ ​ ​ (a)   ​ ​ ​

• wind
• biomass
• geothermal
• hydroelectric
• solar

The energy needs of the world are increasing.

Why is it important to develop renewable energy resources?

Look at the list of energy sources.

Tick the two renewable energy sources.

• coal

• hydroelectric

• oil

• natural gas

• solar

Complete the table to group the resources into renewable and non renewable resources

Groups:

(a) Renewable

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(b) Non renewable

• vegetable oil

• solar power

• bioplastics

• tidal power

• fossil fuels

Wind power and coal are resources used to generate electricity.

Describe two advantages of using wind power instead of coal to generate electricity.

Wood is an example of a renewable energy source.

State two more examples of renewable energy sources.