Food and energy 2

Water contamination

Remember, water is vital for us only if its clean.




Water can get contaminated very easily. Can you find the sources of contamination here?


If water is not clean, water can become a poison.


Contaminated water kills:

Noe's question: Where does sweat come from?

When the temperature of our body increases, sweat helps us bringing it down. Can you find the origin of sweat in the picture above?
Our normal temperature is 37 degrees.

Water

Remember: Water is H2O


How much water is within our bodies?

Our bodies are almost 80% water. Remember: There is water in our bodies as part of blood, saliva, etc, etc, etc, etc. Can you calculate how much water is within YOUR body?
Remember, it is around 75%

Food Pyramid

Vegetarian




Non-Vegetarian

Energy: The sun

Our food (3)

Energy comes from our food. And different foods have different quantities of energy. For example, Compare broccoli and meat: Energy that we get from our food, is consumed when we do any work. Remember: Energy is the capacity to do any work. How many calories are we eating? Look for the Nutrition Facts in your food. Are we getting enough minerals?