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Mars Base Oxygen

Science · Engineering · Grades 4–6 · 12 min

First principle

Oxygen needed = people × days × rate per day

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Mars Base Oxygen

First principle

Oxygen = people × days × rate per day

You're mission control. Each crew needs enough oxygen tanks to survive on Mars. Work out people × days × rate, then load the tanks. Too few and the crew runs out — too many wastes the rocket's weight. Get it exactly right for a bonus!