"Energy changes": HTML5 Crossword

Across

3. The wider the difference in the electrodes the higher the ...... produced (7)
5. A solution of Ions in a simple cell (11)
6. A graphical representation of energy change is known as energy...... (7)
7. When new bonds are formed in the reactants, energy is (4)
8. A reaction that takes in more energy than it gives out (11)
10. For an exothermic reaction, the temperature of the system........ (7)
12. Uranium is a ...........fuel (7)
14. The most reactive metals is more......... (8)
15. In an exothermic reaction, reactants have .......... energy than products (4)

Down

1. A simple cell uses the knowledge of differences in the..... of the electrodes (10)
2. A simple cell produces electrical energy from (8)
4. The minimum amount of energy required to start a reaction (16)
9. An element that acts as a fuel (8)
11. The overall formula for calculating energy change is the energy of bond breaking in reactants..... bond formation in products (5)
13. The product of hydrogen fuel cell (5)