Grade 6 Science Quiz: Cells — The Building Blocks of Life

Learning Objectives

• State that all living things are made of cells, and that the cell is the smallest unit of life (cell theory).
• Name the main parts of a cell — cell membrane, cytoplasm, nucleus, mitochondria and vacuole — and describe what each part does.
• Compare a plant cell and an animal cell, and identify the three parts found only in plant cells (cell wall, chloroplast, large central vacuole).
• Classify a living thing as unicellular (one cell) or multicellular (many cells), with an example of each.

How to Use This Resource

• Use at the end of the lesson as a fast formative check, or assign as homework. Mark quickly with the included answer key; a score of 6/8 or higher shows a solid grasp of the main cell parts.

Classroom Activity Ideas

• Read questions aloud as a whole-class oral quiz using mini-whiteboards instead of paper.
• Have students swap and mark a partner's quiz using the answer key, discussing any disagreements.

Differentiation

Support: Use the blank (unlabeled) diagram versions with a shortened word bank of 3–4 terms instead of all 5–7; let students work in pairs; provide the Flashcards as a matching aid; accept short-phrase answers on open-ended questions.

Extension: Ask students to explain why red blood cells (which lose their nucleus as they mature) can still be called cells; have students research one unicellular organism not covered in class; challenge students to label a cell diagram from memory with no word bank at all.

Assessment

This is a formative check, not a final grade. Use results to decide whether to review before the full Assessment.

Teacher Tips

The word "cell" can confuse EFL/ESL learners because in many languages a similar-sounding word means a prison cell or a mobile phone. Before starting, quickly clarify that today's "cell" is a science word for a living building block — not a room or a device. This one clarification prevents confusion for the rest of the lesson.

What's Included

• 1-page quiz (editable DOCX, print-ready PDF)
• Answer key (editable DOCX, print-ready PDF) — 1 page

Additional Files

• Grade 6 Science Quiz: Cells (DOCX)
• Answer Key (PDF)

Teacher Reviews