Around 300 pupils participated in a science experiment to mark Earth Day.
The pupils launched balloons, carrying payloads, to measure the effects of altitude and the atmosphere.
The experiment forms part of a programme that connects local pupil with astronauts at the International Space Station.
The world's next generation of scientists celebrated Earth Day doing what they love best - exploring the boundaries of their world through an innovative experiment.
Earth Day is commemorated annually on 22 April, with the global awareness day aimed at highlighting our role in protecting the planet.
Around 300 pupils gathered online and in-person at Saldanha Airfield to launch two high-pressure balloons for a scientific experiment.