Can you think of something that uses solar power'
10 However, no solar cooker was to be seen until the 1700s.
The first solar cooker was made by a Swiss physicist, and it
1
Besides these
Cars and watches are good examples.
examples, there are solar cookers. They can cook food and
boil water without gas or electricity.
They work by
5 Concentrating the sun's rays in a small area with mifrors,
reflectors, or lenses.
Solar cooking, or cooking by solar power, was nrst
introduced by African people about 2,000 years ago. 1ne
cooked food by using rocks that were heated by the sun.
10 However, no solar cooker was to be seen until the 1700S.
G
The first solar cooker was made by a Swiss physicist, anu *
led to the solar cookers now widely used.
