Lesson 3

Reading

1. Read the article quickly and choose the correct main idea.

a A solution to the problem of insects.
b A new way to grow plants.
c How farmers can use less soil.
d The best way to save water.

2. Read the article again. Are these sentences true (T) or false (F)? Correct the false sentences in your notebook.

1. In the future, there will be a problem finding enough land to grow things. T

2. In hydroponics, you do not need any soil for plants. T

3. You do not need a lot of space for hydroponics, but you need more water than on traditional farms. F, You need less water than on traditional farms.

4. Large farms using hydroponics often have problems with their computers. F, They need expensive computers (but do not necessarily have problems).

5. In the future, we might be able to grow plants in Antarctica or even space. T