Cells Word Search

Words in the Cells word search

Every word used across the three levels, with a quick note on what it means.

cell

The smallest unit of life, found in every organism.

nucleus

The control center holding most of a cell's DNA.

membrane

The thin layer that controls what enters and leaves a cell.

dna

The molecule carrying instructions for building an organism.

tissue

Many similar cells working together, such as muscle.

microscope

A tool that magnifies cells too small to see.

protein

A molecule cells build to do most of their work.

cell wall

A stiff outer layer supporting plant and bacterial cells.

vacuole

A storage sac holding water, food or waste in cells.

cytoplasm

The thick fluid that fills a cell around its parts.

mitosis

Cell division that makes two identical new cells.

chloroplast

The plant cell part that captures sunlight for food.

mitochondria

Cell parts that release energy from food for the cell.

ribosome

A tiny cell machine that builds proteins from instructions.

chromosome

A long packaged strand of DNA carrying many genes.

organelle

Any small structure inside a cell with a special job.

lysosome

A sac of enzymes that breaks down waste inside cells.

osmosis

Water moving across a membrane toward the saltier side.

diffusion

Particles spreading from crowded areas into emptier ones.

enzyme

A protein that speeds up chemical reactions in cells.

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