Year 8 Science · Unit 1 · Lesson 2

Comparing Cells, Tissues and Organs

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Date
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Learning Goals

Warm Up

Because… chain

Fill in the missing effects. Each cause leads to the next step in the chain. The first cell is done for you.

The red blood cell has no nucleus
→
there is more space inside the cell for haemoglobin
more space for haemoglobin
→
carries more O₂ per cell
→
the cell is biconcave (dished on both sides)
→
larger surface area for its volume
→

Overall outcome:

Your Turn

Compare two

Complete the table to compare animal tissue and plant tissue. Try to give a different real example for each row.

FeatureAnimal tissue (give an example)Plant tissue (give an example)
Example 1 (name the tissue)
What cells make it up
Main function
Example 2 (a different tissue)
Which organ is this tissue found in?

Show What You Know

1. Nerve tissue is made of cells with long, thin extensions called axons. Explain how this structure suits the function of sending signals rapidly across the body.

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2. A leaf contains mesophyll tissue (photosynthesis), vascular tissue (transport) and epidermal tissue (protection). Use this to explain why a leaf is an organ and not just a tissue.

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Wrap Up

In one sentence, what was the main idea of this lesson?

HSCScience · Year 8 Science · Unit 1 · Lesson 2 · Apply Worksheet