Introduction
Have you ever wondered why the ocean water rises and falls? Why do we have high tide and low tide? In this activity, you will explore how ocean tides work and what causes them. You will use online resources to discover the role of the moon and the sun in affecting tides.
Task
Your task is to explain how ocean tides happen and what causes them. At the end of the activity, you will create a short presentation (PowerPoint or written explanation) that shows:
- What ocean tides are
- The causes of tides
- The role of the moon and the sun
Process
Follow these steps to complete your task:
- Define what ocean tides are.
- Watch videos and read materials below about tides.
- Identify the causes of tides.
- Explain how the moon and sun affect tides.
- Create your output (presentation or written explanation).
- Review your work before submission.
https://www.youtube.com/watch?v=tcGEjzt_4is Materials: Tides and Water Levels: NOAA's National Ocean Service Education
Evaluation
| Criteria | Excellent (5) | Good (4) | Fair (3) | Needs Improvement (2) |
|---|---|---|---|---|
| Understanding | Clear and complete explanation | Mostly clear | Some errors | Limited understanding |
| Content | Complete and accurate | Slightly incomplete | Some missing info | Incomplete |
| Organization | Very organized | Organized | Some parts unclear | Disorganized |
| Presentation | Very clear and neat | Clear | Slightly unclear | Poor |
Conclusion
In this activity, you learned how ocean tides occur and what causes them. You discovered that tides are affected by the gravitational pull of the moon and the sun. This activity helped you understand a real-world phenomenon by using online resources and exploring information on your own.