User Generated Crossword Puzzles
Science review of energy: renewable sources, coal as a fossil fuel, biomass, carbon dioxide emissions and steam-driven turbines in power stations.
Review physics energy terms: kinetic, thermal, chemical, nuclear, magnetic, elastic and gravitational stores, plus heating and radiation.
Answers that require more than one word will not contain any spaces.
Riddle-style science clues: chlorophyll, gravity, optics, satellites, radio waves, symmetry, theorem, rotation and the skeleton.
Review states of matter and phase changes: melting, freezing, condensation, sublimation, deposition, vaporization and thermal energy.
Review physics basics: net force, balanced and unbalanced forces, kinetic and potential energy, acceleration, speed, scalars, vectors and variables.
Explore the fascinating world of prehistoric creatures with this crossword about dinosaurs and paleontology.
Introductory computing terms: input, output, algorithm, loop, variables and program requirements, defined from short clues.
Coronary heart disease basics: atherosclerosis, fatty build-up in arteries, blood clots, angina, heart attack, and cardiac arrest.
Electricity and magnetism review naming Faraday, Ampere, Tesla, and Fleming's rule, plus the rheostat and resistivity.
Moon science review on phases, waxing and crescent, gibbous, solar and lunar eclipses, and why the Moon causes two tides a day.
Data analytics basics: OLAP, dashboards, metadata, regression, clustering, bias, bounce rate, referral traffic and demographics.
What is the public crossword library?
The crossword library is a public collection of community-created puzzles that you can open, solve online, print, or share. Use the category filters to narrow the grid to subjects such as math, geography, history, biology, science, religion, or languages. Each card leads to a puzzle page with the grid and its across and down clues. Pagination keeps older puzzles available rather than hiding them after new ones are published.
How do you choose a crossword?
Choose a crossword by checking its title, category, clue count, and topic before you print it. For a class, scan the clues to confirm that the vocabulary matches material students have learned and that spelling conventions fit your region. A shorter puzzle usually works better for a warm-up or exit activity; a larger grid can support a full review session or a collaborative group challenge.
Can these crossword puzzles be played and printed?
Public crosswords can be solved in the browser or opened in a dedicated print layout. Online play is useful for individual practice because selecting the grid and reading the clue list happen on one page. Printing works well for classroom stations, homework, family activities, clubs, and events where every participant needs a copy. The puzzle creator controls the supplied words and clues, so review a community puzzle before using it with learners.
What makes a useful crossword?
A useful crossword has a clear theme, correct answers, clues with one reasonable interpretation, and enough intersecting letters to help a solver make progress. Difficulty should come from the subject or clue wording rather than errors or obscure spelling. If the existing library does not match your topic, create a custom version with the exact terms and definitions your audience needs.
Need a different topic or difficulty? Create your own crossword from a word list selected for your audience.
Content maintained by Crossword Generator team · Updated August 14, 2026