Science quiz
Science answers that start with A
Every answer on this board begins with A. The clues are a mixed bag: elements, units, planets, rocks, bones and whatever else the letter allows. Type the answers in any order.
- Format
- Type them all
- Items
- 20 answers
- Limit
- 5:00
- Level
- Medium
- Checked
- 2026.10.03
- Answers
- 20
- Time limit
- 5:00
- Order
- Any order
- Matching
- Case and accents ignored
- Type an answer; it files itself the moment it matches.
- One answer can fill several slots.
- Give up at any time to see what you missed.
- Pause whenever you like (Esc). The board hides while the clock is stopped.
Answer each science clue. Every answer starts with A.
| Clue | Answer |
|---|---|
| Cloud type with the code Ac | Not found yet |
| SI base unit of electric current | Not found yet |
| Compound with the formula NH₃ | Not found yet |
| Mineral that defines 5 on the Mohs hardness scale | Not found yet |
| Cranial nerve VI: lateral rectus muscle of the eye | Not found yet |
| A major moon of Uranus | Not found yet |
| SI prefix for 10⁻¹⁸ | Not found yet |
| Chemical name of vitamin C | Not found yet |
| Constellation of the zodiac: the Ram | Not found yet |
| Third brightest star in the night sky, in Boötes | Not found yet |
| Clue | Answer |
|---|---|
| Element 13, symbol Al | Not found yet |
| Cloud type with the code As | Not found yet |
| Cranial nerve XI: trapezius and sternocleidomastoid muscles | Not found yet |
| Chemical name of vitamin E | Not found yet |
| Constellation of the zodiac: the Water Bearer | Not found yet |
| Element 18, symbol Ar | Not found yet |
| Element 33, symbol As | Not found yet |
| Element 51, symbol Sb | Not found yet |
| Element 85, symbol At | Not found yet |
| Element 89, symbol Ac | Not found yet |
About this quiz
A mixed science round with one rule: the answer always starts with A. Knowing the first letter helps more than you might expect, and less than you would like.
- There are 20 clues on this board, 6 of them for chemical elements.
- Element clues give the atomic number and the symbol.
- Spelling is forgiving about capitals, accents and hyphens, and both British and American element spellings are accepted.
Sources
- [1]NOAA National Weather Service. JetStream: Ten basic clouds.
- [2]BIPM. SI base units.
- [3]PubChem, National Institutes of Health. PubChem compound database.
- [4]U.S. National Park Service. Mohs Hardness Scale.
- [5]U.S. National Library of Medicine. Medical Subject Headings: Cranial Nerves.
- [6]National Cancer Institute, SEER Training. The peripheral nervous system.
- [7]NASA. Jupiter moons.
- [8]NASA. Saturn moons.
- [9]NASA. Uranus moons.
- [10]NASA. Neptune moons.
- [11]NASA. Moons of our solar system.
- [12]BIPM. SI prefixes.
- [13]MedlinePlus, U.S. National Library of Medicine. Vitamins.
- [14]MedlinePlus, U.S. National Library of Medicine. Vitamin A.
- [15]MedlinePlus, U.S. National Library of Medicine. Vitamin D.
- [16]MedlinePlus, U.S. National Library of Medicine. Vitamin K.
- [17]PubChem, National Institutes of Health. Periodic Table of Elements.
Last checked October 3, 2026
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