Moon phases: waxing to waning

What you’ll learn about Moon phases

From waxing crescent to waning crescent, this quiz helps you recognize the Moon’s phases by both name and picture. You’ll also practice putting phases in the correct order across a full lunar month.

Every question is multiple-choice with 4 options and no timer, so you can think carefully and learn as you go. Before you start, choose how many questions you want to answer and pick a difficulty that matches your comfort level.

Common mistakes (and how to avoid them)

Many players mix up waxing vs. waning, or confuse crescent with gibbous when the lit part is small. Another frequent slip is assuming the Moon makes its own light instead of reflecting sunlight.

• Waxing means the lit part is growing; waning means it’s shrinking
• Crescent is less than half lit; gibbous is more than half lit
• New Moon is not “missing” - it’s just not lit on the side we see
• First/Third quarter show half the Moon lit, not a “quarter” shape
• The phase order matters more than memorizing single pictures

How the mixed difficulty stays fair

Difficulty is balanced by blending quick-identification questions with ones that ask for sequence, vocabulary, or “what comes next” reasoning. Easier items build confidence, while harder ones check deeper understanding without needing advanced math or a telescope.

If you get stuck, lower the difficulty or shorten the question count for a focused practice run, then come back for a longer mixed set when you’re ready.