1 Complete the texts using the words given.

3a 1 Complete the texts using the words given. Words: gathered, passengers, crowds, inventor, lift, floating, invention, experiment, presented. [Рисунок: дирижабль с надписью GOODYEAR] A On July 2nd 1900, 1) ___ of people living in a German town 2) ___ to watch the very first 'zeppelin' airship go up in the air. Similar airships had been around for about 50 years but the zeppelin was the first airship with a special design that allowed it to travel faster than those built before. The zeppelin's 3) ___ was Count Ferdinand von Zeppelin. In 1910, the zeppelin Deutschland became the world's first commercial airship. By the start of World War I in 1914, German zeppelins had travelled over 172,000 km and carried over 34,000 4) ___ and crew safely. B Christopher Cockerell's idea was to build a vehicle that would travel just above the surface of land or water, 1) ___ on a cushion of air. His 2) ___ started with two cans, one inside the other, and a hairdryer to blow air into them. The 3) ___ showed that air could produce enough pressure to 4) ___ a vehicle off the ground. In 1959, in the English Channel, Christopher Cockerell 5) ___ the first hovercraft. They have been used all over the world ever since for commercial and military reasons. [Рисунок: судно на воздушной подушке] 2 Choose the correct word in each sentence. 1 There is a park nearby/upwards where we can fly our kites. 2 A hot-air balloon uses smoke/heat to go up in the air. 3 The first aeroplanes couldn't make very long heights/flights. 4 I always get good grades in History/Physics. I like Science a lot! 5 Raise/Lift your hand if you know the correct answer. 6 Alex is studying Earth/Health Science because he wants to know everything about our planet. 3 Complete the crossword puzzle with the correct field of science. [Кроссворд: пустая сетка с номерами] Across 2 the study of human relationships 5 the study of the past 6 the study of stars and planets 7 the study of the natural environment Down 1 the study of the mind and how it influences people's behaviour 3 the study of living things 4 the study of how governments work 4 Match the letters to the numbers. 1 ___ capture 2 ___ safe and sound 3 ___ come to a conclusion 4 ___ present 5 ___ perform a do something, especially something difficult or useful b show something c catch something and not let go d decide something e not harmed