Across
- 3. He studied this behaviour
- 4. They respected his work
- 6. The dogs ______ started salivating
- 9. Ivan .....
Down
- 1. The place he was born
- 2. He studied the dogs _____
- 3. he ____ the dogs to salivate
- 5. the thing he experimented on
- 7. he won a ____ prize
- 8. something that the dogs did