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In this activity, learners will be working with predictions with a time frame of one week, or longer. Start by planting seedlings.

$1 - $5 per group Ages 4 - 14 1 to 4 weeks
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In this matching game, learners study the limits of life on Earth to see what other places in the solar system might sustain microbial life.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes