Vocabulary practice

2. a desert plant that is often covered in sharp spines.
5. the sharp points on some plants and trees, for example on a rose.
7. a long period with no rain or unusually low levels of rain.
8. a story, either real or fiction, that is told.
9. one of the colored parts of a flower that are shaped like leaves.
10. one of the usually flat green parts that grow from a plant.
12. a historical account or biography written from personal knowledge or special sources.
13. a flowering plant's unit of reproduction, capable of developing into another plant.

1. a sudden and violent shaking of the ground.
3. a very tall plant with large yellow flowers.
4. the material that's used to make things like bouncy balls, rain boots, and car tires.
6. the practice of taking someone else's work or ideas and passing them off as one's own.
7. a book in which one keeps a daily record of events and experiences.
11. when a large amount of water covers an area which is usually dry.