Стр.80-81 Unit 5-6 ГДЗ Комарова Ларионова 10 класс

A. Read the text and match sections 1–4 with headings A–D. There is one extra heading you do not need to use.

• How are fossils made?
• What parts become fossilized?
• How are fossils discovered?
• What are fossils?
• How are fossils dated?

B. Read the text again and decide if the statements below are true or false.

1. All fossils are made from animals.
2. The oldest fossils are more than a billion years old.
3. The soft parts of animals rarely become fossils.
4. All fossils are made by the same process.
5. In petrification, rocks replace the bones of the animal.
6. Erosion happens when farmers dig up their fields.

C. Match the words and phrases in bold in the text with the definitions.

1. complicated
2. the hairy coat of an animal
3. what’s left of something after a long time
4. something that happens quite often
5. kept in good condition
6. substances that are found in nature
7. all the bones inside a body

Project

1. Use the Internet or school library to do research on one of the following.
   • What was life on Earth like when the dinosaurs lived? (climate, other animals, types of dinosaur)
   • What can we learn from fossils? (natural history, evolution)
   • What else can we find underground? (types of rock, precious things, useful substances)
2. Write a short report about your findings. Add illustrations and diagrams to help explain your ideas.