Unit 1

1. 6th of Primary
Natural Science

2. THE VITAL FUNCTIONS
Nutrition
Interaction
Reproduction

3. NUTRITION
The living things transform
the food in nutrients

4. INTERACTION
The living things receive
information and react.

5. REPRODUCTION
 The living things have new children
or plants

6. CELLS
 It is the smallest part of a living
thing.
 There are two kinds of cells: animal
cells and plant cells.

7. ANIMAL CELL
Organelles

8. PLANT CELL

Organelles
Organelles

9. QUESTIONS
 Which part of the cells is in charge
of the reproduction?
 Which part of the cells is in charge
of the nutrition?
 Which parts of the plant cells are
different from the animal cells?
 Which part of the cells makes the
functions?
 Which part of the cells is a liquid?

10. ACTIVITIES
 Classify these parts in ANIMAL or PLANT cells:
Chloroplast – cell membrane – nucleus – cell wall –
organelles – cytoplasm – nuclear membrane
ANIMAL CELLS PLANT CELLS

11. ACTIVITIES
 Write the name of the vital function:
- A new orange in an orange tree
- I eat a sandwich in the breaktime
- My cousin has a new baby
- David hits the shoulder of Carlos
and Carlos moves to look

12. JOURNAL
 What have you learned today? Write a list with all
the words you remember and two sentences.