Human Impact on Oceans
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Objective
I can analyze the impact of human activities on ocean ecosystems.
Part 1 of 4
Warm-up video
Khan Academy · 4:42Vetted channel
We don't generate video — this one is by Khan Academy on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
Coral reefs are sensitive to temperature changes, and warming ocean temperatures can cause bleaching, where the coral dies off.
- 2
Oil spills harm aquatic life, such as birds, by preventing them from flying or swimming, disrupting the ecosystem.
- 3
Fertilizer runoff from agriculture can cause hypoxic zones or oceanic dead zones, where algae growth and decomposition deplete oxygen levels in the water.
Part 3 of 4
Practice
10 questions
What is coral bleaching, and what human activity is primarily responsible for it?
Explain how the death of coral reefs can affect coastal erosion.
Part 4 of 4
Exit ticket
Quick comprehension check
“Describe three ways human activities are negatively impacting ocean ecosystems, according to the video. Be specific about the activity and its effect.”
Sample answer included in the free materials
Get the materials
Teacher guide, student handout, and slides — free, in Google Docs format
Teacher Guide
Complete lesson plan with answer keys and alternate activities
Student Handout
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