3. Many people think that the seasons are due to the distance of the Earth from the Sun. But consider the following facts: The Earth’s orbit around the Sun is nearly a perfect circle. The Earth is slightly closer to the Sun in January and farther away from the Sun in July. Read the text below
4. While it is winter in the Northern hemisphere it is summer in the Southern hemisphere. If the seasons were due to our distance from the Sun both hemispheres would have the same seasons at the same time. In fact, the seasons are due to the tilt of the Earth’s axis. In summer the sunlight strikes the ground more vertically than in winter and heats the ground better. The sun is above the horizon for a longer period of time
8. The s__ shines more and the d___ begin to get warmer. S____g is a time when p____s and __ ees wake up after a long w____ nap. You can see many flower bl_____s and lots of i______s visiting them to collect n____r and __llen . There is a relationship be_____en plants and insects called mutualism: p______s get pollinated and insects get their f____ . Some plants are pollinated by birds, m________als or by the w_____. Spring
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10. Summer The of pollinated flowers becomes a fruit. Inside the fruit are the Each one comes from an egg called . When fruits are completely they open and spread the seeds. Fill in the gaps with proper words from the list: ripened—ovary—seeds—ovule
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12. Fill in the gaps with proper words from the list: root—embryo—minute—germinate—leaves—conditions—photosynthesis—wet Fall After some rains the ground becomes and seeds Inside the seed there is an that is, a plant waiting for favourable environmental The new plant produces a and a and the begin to make
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14. When the turns cold plants . The doesn’t flow through the . are protected from freezing in special buds. This is the time to the fruit trees. Choose one wordfrom the list to fill in each gap: Sap Stems Hibernate Prune Leaves Weather Winter
28. Look carefully at the next picture and try to discover what is happening
29.
30. Hints: 1. The bee is not looking for food 2. It is not taking a rest either 3. The bee is confused 4. The bee is in love with the flower. 5. It is a male bee 6. “He” thinks the flower is a she-bee
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32. The bee is copulating with the flower. The bee is performing a pseudocopulation
33. Look carefully at the next picture and try to discover what is happening
34.
35. Hints: 1. The bee is not looking for food 2. It is not taking a rest either 3. The bee has been deceived by the flower 4. The bee is drunk 5. The bee is an alcoholic
36. This flower attracts insects offering a strong substance that intoxicates them. The bee is very fond of this strong smell because...
37. The bee gathers this smell and uses it to attract females . The bee is getting dressed up. It is a male. It’s very vain
