7.1 How can we make something new that wasn't there before?

7.2 What is the role of energy in a chemical reaction?

7.3 How do things inside our body work together to make us feel the way we do?

7.4 Where does food come from and where does it go next?

7.5 How does changing an ecosystem affect what lives there?

7.6 How do changes in the Earth's system impact our communities and what can we do about it?