1 Match the words with the pictures. a Earth b fall / fell c rock d asteroid e skin f pattern g scientist h disappear 2 Then write the words in alphabetical order. asteroid 3 Write, using the words above. Some¹ scientists study space. They look for ² __________ made by the stars. Sometimes, ³ __________ fall from other planets and fly through space. These rocks are called ⁴ __________. A big one ⁵ __________ on planet ⁶ __________ 65 million years ago. Some people think this is why the dinosaurs ⁷ __________. Scientists have found dinosaur skeletons, but haven't found any dinosaur ⁸ __________. 4 Read the Class Book. Answer the questions. 1 What did dinosaurs eat? Meat or plants. 2 When did they disappear? 3 How long was a T-Rex? 4 How many types of dinosaurs were there? 5 No one knows what colour the dinosaurs were. Why not?