ESA title

Highways of the Oceans - Sea currents and the connection to climate

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In this set of activities you will explore sea currents, the highways of the oceans. Using a hands on activity you will investigate what causes ocean currents. You will also use satellite images to analyse the temperature of the sea surface and understand why satellite observations are useful for monitoring sea currents.

This classroom resource is part of a set of resources developed by ESA’s Education Office in collaboration with ESEROs to support the Climate Detectives project.

Download full classroom activity (with answers):

Keywords: Earth observation, Sea currents, Sea surface temperature, Climate, Geography, Science, Physics


• Printed worksheet or to be consulted in the computer
• Internet access
• 2 jars/cups of 250ml (approximately)
• Ice cubes
• Salt
• Water
• Colouring food (optional)