UNIT 1: PHOTOSYNTHESIS AND THE CARBON CYCLE
Unit 1.1: Photosynthesis
Unit 1.2: More about photosynthesis
Unit 1.3: The carbon cycle
Unit 1.4: Climate change
How plants make food
Why is photosynthesis important?
What is photosynthesis?
In photosynthesis, plants use:
What is the function of chlorophyll
The word equation for photosynthesis
Chloroplasts and chlorophyll
Inside a leaf
Minerals and plant growth
Carbon and living organisims
Returing carbon dioxide to the air
Fossil fuels and combustion
Greenhouse gases
Climate change in the past
Climate change today and in the future
Impacts of climate change
Properties of carbon
Why do living organisms need carbon?
How carbon gets into the bodies of animals and decomposers
How is carbon dioxide gone back into the air?
Respiration equation
Ice ages
Snowball Earth
Asteroids colliding with each other
Asteroids coliding with Earth
More extreme weather events
Less predictable rainfall
Rising sea levels