Science · Cells
Cell Parts Vocabulary
Organelles and cell words: nucleus, membrane, mitochondria, chloroplast and more.
- 🎓 Grades 6–7
- 🧪 Science
- 📐 MS-LS1-2
- ❓ 20 questions
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cell
Smallest unit of life
nucleus
Control center of the cell that holds DNA
cell membrane
Thin layer that controls what enters and leaves
cell wall
Stiff outer layer of a plant cell
cytoplasm
Jelly-like fluid that fills the cell
mitochondria
Organelles that release energy from food
chloroplast
Organelle where plants make food from light
vacuole
Sac that stores water and other materials
ribosome
Tiny part that makes proteins
organelle
Small structure in a cell with a special job
tissue
Group of similar cells working together
organ
Group of tissues working together
organ system
Group of organs that work together
unicellular
Made of only one cell
multicellular
Made of many cells
microscope
Tool that makes tiny things look larger
DNA
Material that carries genetic instructions
cell theory
Idea that all living things are made of cells
bacteria
One-celled organisms with no nucleus
chlorophyll
Green pigment inside chloroplasts
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