Science 3rd

 These are all the units we will work on during the school year:

  • Unit 1- The Human Body
  • Unit 2- Eat Well, Feel Good
  • Unit 3- Animals
  • Unit 4- Plants
  • Unit 5- Matter and Energy
  • Unit 6- Machines
  • Unit 7- The Solar System
  • Unit 8- Water
  • Unit 9- Stop Pollution
  • Unit 10- Living together
  • Unit 11- Economic Sectors
  • Unit 12- History
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UNIT 1- THE HUMAN BODY

-Body parts

Human beings are animals, but they are different from other animals because we can think and we can talk.

Our body consists of three parts: the head, the torso (trunk) and the limbs.

- Vital Functions

Human beings are living things. They do the three life processes:

  • Nutrition 
  • Reproduction 
  • Interaction

-The Stages of Life

The human body changes over time. We can divide our life into five stages:

  • Childhood
  • Adolesce
  • Young adulthood
  • Adulthood
  • Old ages 

- Musculoskeletal System

Musculoskeletal system consists of the skeleton (bones), joints and muscles. It helps us to move the different parts of our bodies.

-Our Senses

Our sensory organs perceive information from outside. The senses are: sight, hearing, smell, touch and taste.

  • Eyes are the organs of sight.
  • The ear is the organ of hearing.
  • The nose is the organ of smell.
  • The tongue is the organ of taste.
  • The skin is the organ of touch.


-Human Body Song

 
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UNIT 2- EAT WELL, FEEL GOOD
-Digestive System
The digestive system consists of a group of organs than work together to help us digest the food we eat.

-Nutrition
Food is everything we eat and it allows us to grow and stay healthy. Food comes from different sources: animals, plants and minerals.
Food contains substances that we need to live and grow. These substances are called nutrients.
We classify food into groups according to the nutrients they contain:
-Carbohydrates
-Fats
-Water
-Vitamins and Minerals
-Proteins
-Calcium (Dairy)


- Nutrition Song
Our diet is what we eat everyday. For a balance diet, we have to eat the right amount of foods from all the food groups.


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UNIT 3- ANIMALS
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UNIT 4- PLANTS
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UNIT 5- MATTER AND ENERGY 
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UNIT 6- MACHINES
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UNIT 7- THE SOLAR SYSTEM
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UNIT 8- WATER
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UNIT 9- STOP POLLUTION
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UNIT 10- LIVING TOGETHER
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UNIT 11- ECONOMIC SECTORS
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UNIT 12- HISTORY
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