Find a place where you can't hear a single car

Outdoors & nature

Identify three constellations from wherever you're standing

Outdoors & nature

Count how many distinct shades of green are in one glance

Outdoors & nature

Learn one cloud type and spot it in the wild

Outdoors & nature

Find the oldest tree in your neighborhood and work out roughly how old it is

Outdoors & nature

Learn to identify one edible plant that grows near you

Outdoors & nature

Collect acorns and leave them somewhere for an animal to find