Academic IELTS Line Graph Quiz 1

The diagram below shows the consumption of renewable energy in the USA from 1949 – 2008.

Write a report for a university lecturer identifying the main trends and making comparisons where relevant.

1. The presented ___ shows the growth in the consumption of renewable energy from the year 1949 to 2008 in the USA.

 flow chart

 line graph

 pie chart

 table data

2. As is shown in the illustration, over the period the use of ___ increased and ___ was the main sources for the renewable energy in the USA for the given period.

 wind power, biofuel

 renewable energy, hydroelectric power

 energy, wood

 wood, biofuel

3. The use of renewable energy got more than ___ over the period, with particularly strong growth in biofuels.

 10%

 doubled

 triple

 half

4. Biofuel sector did not exist in until ___ but experienced a steep rise during the 2000s to over one quadrillion Btu per year.

 1980

 1990

 1960

 2000

5. The use of hydroelectric power was less than ___ quadrillion BTU in 1950 and showed many fluctuations.

 4

 1

 2

 8

6. Wood as a source of renewable energy showed a similar trend of hydroelectric power and both of these sources were challenged by the introduction of ___ and ___.

 solar energy and alternative energy source

 biofuel and wood

 wind and water power

 biofuel, wind power