Time on Mars — 45-minute classroom kit

Learning objectives

• Explain that a "year" is one orbit around the Sun
• Compare Earth days and Mars sols (~24h 37m)
• Calculate a sample age on Mars using ratios

Lesson flow

1. Hook (5 min): Ask: "If you lived on Mars, would you have more or fewer birthdays?" Show age calculator.
2. Explore (15 min): Read Mars time guide or vignette Mars colony.
3. Activity (15 min): Students enter birthdates; record Earth vs Mars age on worksheet (table below).
4. Quiz (5 min): Quick knowledge check.
5. Discuss (5 min): Use family discussion prompts.