Living Things and External Features Homework

AC9SFU01 — Answer guide

SkillrHub · Adult copy. Read directions aloud if needed; accept spoken explanations grounded in the examples.

1. roots, stem, leaves. These are plant parts; roots may need to be exposed to be visible.

   Teaching hint: Point to each part on a suitable plant or picture.

2. scales. The question describes a fish with visible overlapping scales.

   Teaching hint: Describe this observed fish; not every fish has obvious scales.

3. bird → feathers; fish → scales; plant → leaves.

   Teaching hint: Match the familiar examples to their observed features.

4. see. The rule uses a visible feature.

   Teaching hint: State which feature you looked at.

5. For example, stem and leaves; accept any two external features visible in the chosen example.

   Teaching hint: Do not claim that hidden roots or absent flowers are visible.

6. Both have eyes; the bird has feathers and wings while the fish has fins and visible scales.

   Teaching hint: Accept a different accurate similarity and difference for the examples used.

7. outside. External means on the outside.

   Teaching hint: Distinguish a body feature from the surroundings.

8. dog → fur; bird → feathers; fish → scales.

   Teaching hint: Use the familiar pictured or described examples.

9. Wings: duck and butterfly together, dog separately. Feathers: duck separately, butterfly and dog together.

   Teaching hint: Apply each rule to all three described cards before changing rules.

10. Colour is an observable feature, so it can be a valid rule. Another rule is feathers or no feathers, applied consistently.

    Teaching hint: A different rule need not make the first one wrong.