Cells: Building Blocks

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🔬 Part 1: Cell Structure and Function

1. What are the three main parts of a cell?

cell membrane, cytoplasm, nucleus

head, body, tail

skin, bones, muscles

roots, stem, leaves

2. Which part of the cell is called the "control center"?

cell membrane

cytoplasm

nucleus

DNA

3. What does the cell membrane do?

stores food for the cell

protects and controls what enters and exits the cell

helps the cell move around

makes new cells

4. Fill in the blanks:

The gel-like substance inside a cell where activities happen is called the ______________.

Cells are often called the ______________ ______________ of life.

🦠 Part 2: Single-Celled vs. Multi-Celled Organisms

5. Which of these are examples of single-celled organisms? (Check all that apply)

amoeba

bacteria

humans

plants

6. What is the main difference between single-celled and multi-celled organisms?

7. How might having many cells help an organism survive better than having just one cell?

🎨 Part 3: Cell Observation

8. Draw and label a basic cell you observed under the microscope. Include the cell membrane, cytoplasm, and nucleus.

9. Describe one difference you noticed between the single-celled organism and the plant cells you observed:

10. Explain why cells are called the "building blocks of life" in your own words:

Cells: Building Blocks

Cells: Building Blocks

🔬 Part 1: Cell Structure and Function

🦠 Part 2: Single-Celled vs. Multi-Celled Organisms

🎨 Part 3: Cell Observation

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