The Khmer Empire · Term 3

Hinduism to Buddhism Transition

Students will investigate the shift in the Khmer Empire's dominant religion from Hinduism to Mahayana Buddhism and its impact on art and governance.

About This Topic

Decline and Environmental Pressures investigates the factors that led to the eventual abandonment of Angkor in the 15th century. Students explore a combination of causes, including climate change (extreme droughts and floods), the silting up of the irrigation system, and the shifting of trade routes toward the coast. They also look at the military pressure from the rising Thai kingdom of Ayutthaya.

In the Australian Curriculum, this topic is a powerful lesson in sustainability and the relationship between humans and their environment. It challenges the idea that empires only fall because of 'bad leaders' or 'wars.' By studying the Khmer decline, students can reflect on modern environmental challenges and the importance of building resilient societies.

This topic comes alive when students can participate in a collaborative problem-solving activity to 'save' the empire from environmental collapse.

Active Learning Ideas

Simulation Game: The Collapse Challenge

Students are given a series of 'crisis cards' (e.g., 'A 20-year drought begins,' 'The canals are clogged with silt'). They must work in groups to decide how to spend limited resources to keep the city functioning.

⏱ 50 min·Small Groups

Generate mission

Think-Pair-Share: Why Move to the Coast?

Students discuss why the Khmer eventually moved their capital south to Phnom Penh. They explore the benefits of being closer to maritime trade routes as the inland irrigation system failed.

⏱ 20 min·Pairs

Generate mission

Gallery Walk: The Jungle Reclaims Angkor

Stations feature images of Angkor as it was 'rediscovered' by Europeans in the 19th century. Students discuss what happens to a city when its infrastructure is no longer maintained.

⏱ 30 min·Small Groups

Generate mission

Watch Out for These Misconceptions

Common Misconception

The Khmer Empire was 'lost' or 'disappeared.'

What to Teach Instead

The people didn't disappear; they simply moved their capital and changed their way of life. The Khmer culture continued in the new capital of Phnom Penh. A 'Think-Pair-Share' on the move helps students see this as a transition rather than a disappearance.

Common Misconception

The empire fell only because of a single war.

What to Teach Instead

While wars played a part, environmental failure and economic shifts were just as important. A 'Collapse Challenge' simulation helps students understand the complex, multi-factored nature of historical change.

Frequently Asked Questions

Why did the Khmer abandon Angkor?

It was likely a combination of factors: a failing irrigation system, long periods of drought followed by massive floods, and constant attacks from the neighboring Thai kingdom of Ayutthaya.

What role did climate change play in the Khmer decline?

Tree ring data shows that the region suffered from decades of unpredictable weather. The Khmer's massive water system was too rigid to handle these extremes, leading to crop failures and social unrest.

How can active learning help students understand the decline of empires?

By using 'Systems Thinking' activities, where students see how a failure in one part of society (like water) leads to failures in others (like food and then defense), they can grasp the complexity of collapse. This active approach is much more effective than just listing reasons for a decline.

Is Angkor still used today?

Yes, while it is no longer a capital city, Angkor remains a deeply sacred site for Cambodians and is a major center for Buddhist pilgrimage and international tourism.

Browse curriculum by country

• Americas
• US
• CA
• MX
• CL
• CO
• BR

• Europe
• UK
• IE
• FR
• DE
• ES
• IT
• NL
• PT
• SE

• Asia & Pacific
• IN
• SG
• AU