10- Yesterday, I read an article in the newspaper about a science project. A university science student who visited South-West Africa, visited a poor village without electricity. The student invented a fridge works without electricity for them. It consists of two containers. The outside one is made of wood and has holes in it. But the inside container is made of steel. He put soil between the two containers and added water to It. So, the food in the inside container stays cool.

a. Answer the following questions:

1. Who invented the new fridge ?

2. Which country did the student visit ?

b. Choose the correct answer from a , b , c or d :

3. There are some holes in the...........................

a-inside container . b. outside container c. fridge d. soil

4. The writer read about.......................... in the newspaper.

a. a science project b. South - West Africa c. electricity d. a poor village

5. The inside container is made of.........................

a. steel b. wood c. soil d. electricity