- How will you tell who is oxygen and who is carbon dioxide?
- What is oxygen? What is carbon dioxide?
- What else do plants need to perform photosynthesis besides carbon dioxide?
- Play a game of tag to see how photosynthesis works.
- In photosynthesis, plants turn water and carbon dioxide into oxygen and the sugars that provide energy for the plant. This is important because carbon dioxide is a greenhouse gas! By using up carbon dioxide, plants can help prevent climate change. Humans and other animals do the opposite! We consume oxygen and exhale carbon dioxide.
- To play the game, split into two groups. One group will be oxygen and the other will be carbon dioxide.
- You will need to have a way to differentiate the groups that allows everyone to switch from oxygen to carbon dioxide and vice versa (for example: one team wears their neckers and the other keeps them in their pocket).
- There will be two people who are ‘it’ and they will each represent either a human or a tree. If a carbon dioxide is touched by a tree, it must turn into an oxygen.
- If an oxygen is touched by a human, it must turn into a carbon dioxide!
- At the end of the game, did you have mostly oxygen, mostly carbon dioxide, or an even mix of the two? Why do you think this is?
- What impact do trees have on climate change?
- What about algae? Do seaweeds and algae perform photosynthesis as well?
- How do humans benefit from plants?
- You will need to have a way to identify which youth are carbon dioxide or oxygen, and allows them to switch back and forth.
Keep it Simple
- To make this game easier, you could choose to only have one person be it. This person will represent a tree. All youth will start as carbon dioxide and when they are tagged by the tree they will become oxygen and they will be out.
Take it Further
- Once you finish your game of photosynthesis tag, do some research online to find other ways we can reduce the amount of carbon dioxide in the atmosphere.