Karen Latchana Kenney 
Energy at the Theme Park [PDF ebook] 

It’s time to go to the theme park! You’re looking forward to a fun day! But it’s not just your own energy buzzing. Waiting for your candy floss to be made? Heat energy helps make that gooey goodness happen. Chugging up the rollercoaster hill? Potential energy is with you. Speeding down it? Now you have kinetic energy! Find out more about the energies behind the fun.