Primary 3, English, Exercise 2 – tbc

The sun is an enormous star at the centre of’ the solar (1) . It gives us light and energy.

About 2000 years ago, people used solar energy to heat their homes. Gradually, this was

discontinued  but  (2) are  now rediscovering the  (3) of the technology. So, in Canada, they design and build houses to face the sun. Solar energy is also used to heat swimming pools.

A modern way of using the sun’s energy can be found inside a solar-powered pocket (4) .

Its light -sensitive, photo-electric cell (5)   sunlight directly into electricity.