2. General Revision ( unit 1 – unit 2 )

3. Unit 1 lesson 1 Abstract Abstract Nutrition = Food Living things obtain energy from food. Plants obtain energy from sun ( photosynthesis ) Food can be of animal source or of plant source. Plants make their own food ( producers ) Animals cannot make their own food ( consumers)

4. Examples ProducersConsumers

5. Unit 1 lesson 2 Abstract Abstract Food chain = is the path of energy from producer to consumers. Food chain starts with plant and ends with an animal.

6. Examples Producer Consumer

7. Unit 2 lesson 1 Abstract Abstract To keep your body healthy you should : 1) sleep about 8 hours daily. 2) eating healthy food. 3) getting regular physical exercise. 4) washing your body, hair and hands. 5) getting regular and dental care.

8. Examples

9. Unit 2 lesson 2 Abstract Abstract There are two kinds of teeth There are two kinds of teeth 1) primary teeth. 1) primary teeth. 2) permanent teeth. 2) permanent teeth. There are 4 kinds of permanent teeth There are 4 kinds of permanent teeth ( incisors – canines – premolars – molars ) ( incisors – canines – premolars – molars ) Tooth external parts ( crown – neck – root) Tooth external parts ( crown – neck – root) Tooth internal parts ( enamel – dentin – pulp ) Tooth internal parts ( enamel – dentin – pulp )

10. Examples Primary teeth Permanent teeth

11. Examples

12. Examples Tooth external parts Tooth internal parts