1. Which is the biggest threat in Estuaries and Intertidal Zone

2. Which is a threat to living things caused by strong waves in the intertidal zones?

3. Which is NOT a threat on estuaries?

4. Which is a threat in the intertidal zone?

5. The following are ways on how humans can avoid damage in the intertidal zone EXCEPT;

6. What do you think might happen if too much fertilizer from agricultural farm be brought by the rain to the estuaries?

7. Which of the following human activities DO NOT cause threats on estuaries?

8. A threat on living organisms in Estuaries and Intertidal Zone.

9. A threat of natural phenomena on estuary and intertidal zone

10. As a grade 5 pupil, how can you help protect and conserve estuaries and intertidal zones?