Year 9 Science · Unit 1 · Lesson 15
Foundation Worksheet
Learning Goals
True or False? Fix the false ones
Circle T or F for each statement. If the statement is false, rewrite it correctly on the line below.
Benign tumours can spread to distant organs through the bloodstream.
Correct it:
Apoptosis is the process of programmed cell death that removes damaged cells.
Correct it:
UV radiation from the sun is a carcinogen linked to lung cancer.
Correct it:
Australia has some of the highest rates of melanoma in the world due to high UV levels and outdoor culture.
Correct it:
Match each term to its definition
Draw a line connecting each term on the left to its correct definition on the right. Or write the matching letter next to each term.
| Term | Your answer | Definition |
|---|---|---|
| Tumour | A. The spread of cancer cells from the original site to distant organs via blood or lymph. | |
| Benign | B. A factor in the environment or lifestyle that increases the risk of developing cancer. | |
| Malignant | C. An abnormal mass of cells that forms when cell division is no longer controlled. | |
| Metastasis | D. A non-cancerous tumour that stays in one location and does not invade nearby tissue. | |
| Carcinogen | E. A cancerous tumour that invades surrounding tissues and can spread to other parts of the body. | |
| Screening | F. Testing people who show no symptoms to detect cancer early when treatment is most effective. |
1. Name two carcinogens and for each one, state the type of cancer it is most closely associated with.
2. Explain the difference between a benign and a malignant tumour. Which one is more dangerous, and why?
Wrap Up
In one sentence, what is the main idea of this lesson?