Unit 11 Revision Task 1 List five top words/ phrases you have learned in this course. Task 2 What do you call someone who studies… mathematics……………… physics …………….. chemistry ……………… biology ……………… economics ………………. philosophy …………….. Task 3 Speaking A) Describe the main layers of the Earth. B) Describe the different types of rocks. C) Describe the rock cycle. Task 4 Complete the geological time scale. Add important events. Cenozoic Paleozoic Quaternary Tertiary Pliocene Oligocene Eocene Paleocene Pennsylvania Mississippian Devonian Silurian Ordovician Cambrian Task 5 Describe the effects of a volcanic eruption. Task 6 Numbers A) Give an example of an even number, odd number, prime number, fraction. B) Use mathematical symbols to write the following: - three to the power of seven - five squared - cube root of twenty-seven - square root of sixty-four C) Read out the number/ problems below. X= (a – b)² 48 ÷ 4 = 12 2/3 ¾ 8/15 Task 7 Grammar Rephrase the sentences using the prompts. 1. They have held a lot of meetings, but haven´t decided anything yet. A lot of meetings ………………………………………………………….. yet. 2. Someone suggested that the data were not reliable. It ……………………………………… that the data were not reliable. 3. She is still preparing the experiment. The experiment ………………………………………………….. . 4. You have to fill in an application form. An application form ……………………………………………. . 5. It is prohibited to use this device. You …………………………………….. this device. 6. It was not necessary for me to rewrite the essay. I ………………………………………………. the essay. 7. It was a bad idea to take the exam that semester. I should …………………………………………. that semester. 8. I am sure she got the scholarship. She ………………………………………………… the scholarship. Task 8 Conditionals Complete the sentences with the correct form of the phrase in brackets: He will get credits for the course if ……………………………. (submit) all assignments. He would get credits for the course if …………………………. (submit) all assignments. He would have got credits the course if ………………………… (submit) all assignments.