Organic compounds and plants

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  • 1. Organic Compounds and Plants
    8SCIENCE: Wed. Feb. 2/ Thurs. Feb. 3

2. Why learn about plants?
Plants produce oxygen for humans and other organisms to breathe
Plants are important because they are producers
Make their own food and are a food source for other consumers and all other links in the food chainE.g. produce sugars (carbohydrates) to eat, a rabbit eats the grass and gets energy from these carbohydrates, and fox eats rabbit to gain that energy!
3. Organic compounds
Plants make an organic compound,for energy, called carbohydrates
All organisms (living things) obtain their energy from carbohydrates
Organic compounds are compounds that contain carbon (C )
Reminder: compounds are combinations of elements from the periodic table
Carbohydrates are one type of organic compound that contains only C, H and O
4. Organic compounds: Hydrocarbons
One type of organic compound is the hydrocarbon
What elements make up this compound?
Carbon (C ) and hydrogen (H )
You already know many types:
Propane gas (cooking)
Butane (lighters)
5. 2 TYPES OF HYDROCARBONS

  • There are 2 types:

Saturated
Unsaturated
6. HYDROCARBONS
SATURATED
UNSATURATED
What is the difference?
Saturated hydrocarbons have all of their C atoms connected to an H atom
Unsaturated hydrocarbons still have space for more H atoms