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Biology Crossword Puzzles

Biology Crossword Puzzles

Biology Crossword Puzzles

Build biology vocabulary with printable crossword puzzles, review crosswords, answer keys, study sheets, quizzes, and extra practice resources.

Perfect for classroom, homework, tutoring, homeschooling, or weekend practice.

These biology resources help students review key terms from cell biology, genetics, ecology, evolution, and other major life science topics. Use the study sheets to preview vocabulary, assign printable crosswords for practice, and use quizzes or review crosswords for extra reinforcement.

120 Key Biology Terms Printable PDFs Answer Keys Included Quizzes + Matching Game

Why use biology crossword puzzles?

Crossword practice gives students repeated exposure to important biology terms in a format that feels more active than simple memorization. It can strengthen spelling, recall, and understanding of scientific vocabulary.

Because the sets are organized by study sheets, teachers and parents can assign smaller groups of terms, repeat them later with different crossword versions, and build long-term retention across the school year.

Best ways to use this page

Start with a study sheet, assign the matching crossword, and then check work with the answer key. For extra review, use the online quizzes for Sets 1–8 and the full Biology 120 Vocabulary Game for broader mixed practice.

Helpful note: Crosswords 1, 9, 17, and 25 use the same terms; 2, 10, 18, and 26 use the same terms; and the same pattern continues through Crossword 32.

Biology study sheets

Use these study sheets to introduce or review the 120 biology terms before assigning printable crossword practice.

Biology vocabulary crossword puzzles

These 32 printable crosswords are organized for direct classroom use. The first 8 sets also include matching online quizzes.

Set Printable Crossword Answer Key Online Quiz
1 Printable Crossword 1 Answer Key 1 Online Quiz 1
2 Printable Crossword 2 Answer Key 2 Online Quiz 2
3 Printable Crossword 3 Answer Key 3 Online Quiz 3
4 Printable Crossword 4 Answer Key 4 Online Quiz 4
5 Printable Crossword 5 Answer Key 5 Online Quiz 5
6 Printable Crossword 6 Answer Key 6 Online Quiz 6
7 Printable Crossword 7 Answer Key 7 Online Quiz 7
8 Printable Crossword 8 Answer Key 8 Online Quiz 8
9 Printable Crossword 9 Answer Key 9
10 Printable Crossword 10 Answer Key 10
11 Printable Crossword 11 Answer Key 11
12 Printable Crossword 12 Answer Key 12
13 Printable Crossword 13 Answer Key 13
14 Printable Crossword 14 Answer Key 14
15 Printable Crossword 15 Answer Key 15
16 Printable Crossword 16 Answer Key 16
17 Printable Crossword 17 Answer Key 17
18 Printable Crossword 18 Answer Key 18
19 Printable Crossword 19 Answer Key 19
20 Printable Crossword 20 Answer Key 20
21 Printable Crossword 21 Answer Key 21
22 Printable Crossword 22 Answer Key 22
23 Printable Crossword 23 Answer Key 23
24 Printable Crossword 24 Answer Key 24
25 Printable Crossword 25 Answer Key 25
26 Printable Crossword 26 Answer Key 26
27 Printable Crossword 27 Answer Key 27
28 Printable Crossword 28 Answer Key 28
29 Printable Crossword 29 Answer Key 29
30 Printable Crossword 30 Answer Key 30
31 Printable Crossword 31 Answer Key 31
32 Printable Crossword 32 Answer Key 32

Review 120 biology terms

Each review crossword covers 24 of the 120 terms and works well for spiral review, reteaching, or end-of-unit practice.

More biology crossword puzzles

These additional biology crossword PDFs provide extra practice for students who need more review.

More biology resources

Rudolph Academy resources are designed for classroom instruction, homework, tutoring, homeschool use, and weekend practice. All activities are student-friendly, teacher-tested, and work equally well for daily lessons, review sessions, enrichment, or at-home learning.