Chemistry Crossword Puzzle
STEM crossword with 12 chemistry terms
Chemistry Crossword Puzzle
STEM crossword with 12 chemistry terms
Across
- 1.Positively charged particle in an atom's nucleus
- 3.Two or more atoms bonded together
- 4.Long chain of repeating molecular units
- 5.Pure substance made of one type of atom
- 11.Type of bond where electrons are shared
- 12.Mixture of metals, or a metal with another element
Down
- 2.Speeds up a reaction without being consumed
- 6.Homogeneous mixture of solute dissolved in solvent
- 7.Atoms of the same element with different neutron counts
- 8.Substance made of two or more different elements
- 9.Number of bonds an atom can form
- 10.Substance that dissolves a solute
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What is a Crossword?
A STEM crossword uses subject-area vocabulary as the answer words. Each clue defines a term from the featured field — biology, physics, chemistry, math, or computer science.
How to solve it
Start with clues whose answers you know for certain — filled letters unlock adjacent clues. Use the crossing letters to confirm uncertain answers.
Who is this for?
STEM crosswords are perfect for science and math classrooms, tutoring sessions, gifted programs, and anyone who loves both puzzles and learning.
About this puzzle
Free printable chemistry crossword puzzle — 12 key chemistry terms for science class. Instant PDF download.
- Difficulty: Medium
- Format: US Letter PDF with answer key
- Free to download, print, and use
- Commercial use allowed for KDP publishers
Step-by-step: solving the Chemistry Crossword Puzzle
- Print the PDF. Download and print the free STEM crossword PDF. The grid and clue list are on page one.
- Start with confident clues. Read every across and down clue. Fill in the answers you know for certain — these unlock crossing letters.
- Use intersections to confirm. When you're not sure about a clue, check the crossing letters from a confirmed answer. Spelling is a strong constraint.
- Verify with the answer key. Compare the finished grid to the answer key on the second page.