Begin with a discussion on the significance of water in our daily lives and introduce the concept of groundwater as a hidden yet vital resource.

Show a brief video clip to capture students' interest and provide a visual introduction to groundwater and aquifers.

Explain how groundwater is formed and accumulated beneath the Earth's surface, highlighting the role of rain and melting snow.

Discuss the function of aquifers as natural reservoirs and their importance in providing water for human consumption and irrigation.

Facilitate a class discussion on the potential risks and impacts of groundwater pollution on human and ecological systems.

Encourage students to brainstorm ways to protect groundwater from pollution and conserve this vital resource.

Conduct a simple experiment to demonstrate how groundwater can be extracted using a model aquifer.

Use the 'Modeling the Ocean Floor' assessment to help students understand the concept of depth and mapping, which is crucial for groundwater studies.

Assign students to research local groundwater sources and their uses in their community.

Have students create a poster illustrating the journey of groundwater from precipitation to human use.

Use the 'Water Around the World' assessment to evaluate students' understanding of different water sources, including groundwater.

Engage students in a reflective discussion about the importance of groundwater and the role they can play in its conservation.

Encourage students to share their research findings and posters with the class.

Administer the 'Review – Earth’s Land and Water' assessment to test students' comprehension of the unit's key concepts.

For further exploration, students can investigate the impact of human activities on groundwater quality and propose solutions.