Free Printable Elementary Biology Activities

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What Are the Domains of Life?

Printable 5th grade biology quiz on domains of life, covering the three domains—Bacteria, Archaea, and Eukarya—and how living things are classified.

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Butterfly Life Cycle Seesaw Checklist

Printable checklist for 2nd grade students to self-assess a Seesaw butterfly life cycle activity, including vocabulary, sequencing, and voice recording.

Butterflies Crossword Puzzle

Butterfly crossword puzzle for Grades 4–6. Covers butterfly anatomy, the life cycle, native plants, and species like Monarchs and Swallowtails.

The Sun and Living Things

Printable science worksheet for early elementary students: multiple-choice and fill-in-the-blank questions about why the sun is important for plants and animals.

La Célula Word Search

Spanish cell biology word search for Grades 3–5. Find 8 hidden words including ADN, núcleo, and mitocondria in a circle-shaped grid.

Submarines and Deep Seas Word Search

Submarines and deep-sea word search for Grades 4–6. Find 15 hidden words including bioluminescence, anglerfish, and hydrothermal vent features in this ocean-science puzzle.

Do Fish Drink Water? Science Activity

Printable science worksheet for Pre-K and kindergarten introducing the concept that all living things need water. Includes coloring and writing activities.

Living Things and Nonliving Things

Printable science activity for early learners about living and nonliving things: color pictures, answer yes-or-no questions, and complete sentences using vocabulary words.

Living and Nonliving Things

Printable science worksheet for early elementary: students identify nonliving things, answer multiple-choice questions, and list nonliving objects in their classroom.

What Living Things Need to Survive

Printable early-elementary science worksheet about what living things need to survive—food, water, and air. Includes fill-in-the-blank, yes-or-no questions, and a coloring activity.

What Grows? Science Vocabulary Activity

Printable science vocabulary worksheet for pre-K and K: students identify what grows, complete sentences with vocabulary words, and draw observations.

Decomposers and Garbage: Reading Comprehension

Printable science worksheet with reading passage and comprehension questions about decomposers, garbage, and odor. Includes true/false and multiple-choice items.

Bacteria and Decomposers

Printable science worksheet on bacteria: students read about decomposers, record facts about size and habitat, and learn how bacteria break down waste.

Decomposers and Ecosystems

Printable science worksheet on decomposers and their role in breaking down waste and enriching soil. Includes a reading passage, short-answer questions, and true-or-false statements.