Clue 4

2. related to sound or how it travels especially in music or the design of buildings for better hearing
4. energy that travels in waves or particles such as sunlight X-rays or heat from fire
5. a way of using humor or exaggeration to criticize or make fun of something in society or politics
8. the gradual destruction of metal due to chemical reactions like rust forming on iron
10. a feeling of excitement or nervousness about what will happen next in a story or situation
11. the spoken conversation between two or more people in books plays or movies
12. the study of rocks landforms and the earth’s physical history including earthquakes and volcanoes
14. active at night instead of during the day like owls bats and some insects
17. the part of the earth where life exists including land water and air that supports organisms
18. how much mass is packed into a certain space often used in science to compare materials
19. a severe lack of food in a large area leading to hunger and suffering

1. the process of breathing in oxygen and releasing carbon dioxide in humans animals and plants
3. rough or unsteady movement in the air or water often felt during airplane flights or storms
6. a system of living organisms and their environment working together like a forest or ocean
7. the seasonal movement of animals from one place to another usually for food or better living conditions
8. the type of money used in a country for buying and selling goods and services
9. a new idea or method that improves how something is done or makes life easier
13. a building or office in a foreign country where diplomats represent their home country
15. an instrument used to measure air pressure which helps predict weather changes
16. something that tricks the eyes or mind making you see or believe something that isn’t real