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עמוד:91

2 UNIT B Answer the questions about the timeline. Complete the sentences with the numbers and words below. 1 ,000 46 B.C.E. 700 1958 20 five thousands . People have used the power of the sun for of years . 1 . People started using glass to light fires around . 2 the Americans sent the first solar-powered satellite into , In . 3 . space It took the Perkins brothers days to travel across Australia. . 4 Cochin International Airport uses more than solar panels for . 5 its electricity. It took the spacecraft Juno years to get to Jupiter. . 6 ? ( במשותף / بالمشترك ) What do the people in the timeline have in common 2 . … They all built or invented something that is used for cooking . a uses solar energy . b can help us travel faster . c Complete the sentence with ONE word. 3 . Solar energy comes from the a Circle the correct answer, True or False. 4 FALSE / Today nobody uses solar ovens. TRUE b Copy the sentence from the timeline that helped you answer. Complete the sentences. ? hold 1 What records does the Vanguard 5 . It was the first . 1 . It has been in space . 2 . of solar power? Give at least one answer ( יתרונות / فوائد ) What are the advantages 6 Sky High Challenge Go online and find additional information about one of the . people mentioned in the timeline. Write at least two facts Name: 91


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