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The frog as an amphibian

Module by: Siyavula Uploaders. E-mail the author

NATURAL SCIENCES

Grade 5

Life and way of living

Module 15

The frog as an amphibian

Activity:

To gain more knowledge about the frog as an amphibian

[LO 1.1, LO 1.2]

These animals live on the land and in water.

The tadpole first breathes by means of gills and lives only in the water. The adult frog breathes by means of lungs and can live on dry land or in the water.

The skin of the frog is smooth and moist.

Frogs use their hind legs to jump.

Frogs undergo a metamorphosis, i.e.

  1. they first lay eggs
  2. tadpoles develop
  3. adult frog develops

Investigate and collect: Group work

  1. May you take frog eggs or tadpoles out of the water? Motivate

______________________________________________________________________________________________________________________________

  1. How long does it take for a tadpole to hatch?

_______________________________________________________________

  1. What do tadpoles eat?

_______________________________________________________________

  1. What appears first? The front legs or the hind legs?

_______________________________________________________________

  1. Use a dictionary to define the word metamorphosis.

_______________________________________________________________

  1. Which senses are developed well in the frog?

________________________________________________________________________________________________________________

Figure 1
Figure 1 (graphics1.png)

Assessment

LEARNING OUTCOME 1: SCIENTIFIC INVESTIGATIONSThe learner will be able to act confidently on curiosity about natural phenomena, and to investigate relationships and solve problems in scientific, technological and environmental contexts.

We know this when the learner:

1.1 plans investigations: together with their co-learners, they list knowledge regarding familiar situations and materials and compile investigative questions;

1.2 leads investigations and collects data: execute instructions and procedures that entail smaller sections;

1.3 evaluates data and communicates findings: provides feedback on progress in group context and on the final result.

Memorandum

Investigate and collect

1. Actually you may not. If you remove tadpoles for observation, you must place them back in the same pool or dam.

2. ± 14 days

3. Tadpoles eat water plants and water animals

4. Hind legs

5. The change from the egg to an adult frog is called a metamorphosis or a change of form.

6. Eyes

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