Question

Match the definitions with the energy kinds. a) hydroelectric 1.comes from moving turbines or mills b) solar energy 2.oil , gas , coal which ontribute global warming while burning c) nuclear 3.comes from flowing water in rivers, waterfalls and streams d) wind 4.comes from the sun and can be saved using panels e) geothermal 5.comes from splitting toms, and produces dangerous waste Fill in the gaps with the words from the box a) population b)live c)farmland d)sources e) gradually f)demand 1.For the thousands of years, the population of the world increased... 2.By the year 2050, researchers predict that the ... of the world will be 9.1 billion. 3.We don't know how people will choose to ... in the future. 4.Today, ... for fresh water is greater han before. 5.It is very important to increase the amount of ... 6.We have many different ... of energy.

Answer 1

Match the definitions with the energy kinds.

a) hydroelectric energy comes from  flowing water in rivers, waterfalls and streams
b) solar energy  comes from the sun and can be saved using panels
c) nuclear energy  comes from splitting atoms, and produces dangerous waste
d) wind energy  comes from moving turbines or mills
e) geothermal energy comes from oil , gas , coal which ontribute global warming while burning

Fill in the gaps with the words from the box

1.For the thousands of years, the population of the world increased...  gradually 
2.By the year 2050, researchers predict that the .. population. of the world will be 9.1 billion.
3.We don't know how people will choose to ..live . in the future.
4.Today, ..demand. for fresh water is greater than before.
5.It is very important to increase the amount of ... farmland 
6.We have many different .. sources. of energy.

Answer 2

Match the definitions with the energy kinds: a) hydroelectric - 3. comes from flowing water in rivers, waterfalls, and streams b) solar energy - 4. comes from the sun and can be saved using panels c) nuclear - 5. comes from splitting atoms and produces dangerous waste d) wind - 1. comes from moving turbines or mills e) geothermal - Not mentioned in the options

Fill in the gaps with the words from the box:

1. For thousands of years, the population of the world increased gradually.
2. By the year 2050, researchers predict that the population of the world will be 9.1 billion.
3. We don't know how people will choose to live in the future.
4. Today, demand for fresh water is greater than before.
5. It is very important to increase the amount of farmland.
6. We have many different sources of energy.