Across
- 4. Twins that look the same are known as _______ Twins.
- 6. It is believed that an ________ is responsible for the extinction of the dinosaurs.
- 9. The ________ of space is difficult to comprehend.
- 10. Scientist ________ the data they collect to learn new things.
Down
- 1. Monkeys, dogs, and humans are all ________.
- 2. Farmers us ________ to stop insects from eating plants.
- 3. The concrete is very strong because it is ________.
- 5. Many scientists are studying ________ to help cure diseases that were previously incurable.
- 7. The teacher was left ________ with hearing loss after the accident.
- 8. When something changes, it ________.
