"Energy changes": HTML5 Crossword

Across

1. A simple cell produces electrical energy from (8)
6. The product of hydrogen fuel cell (5)
7. A reaction that takes in more energy than it gives out (11)
9. For an exothermic reaction, the temperature of the system........ (7)
13. A solution of Ions in a simple cell (11)
14. In an exothermic reaction, reactants have .......... energy than products (4)
15. When new bonds are formed in the reactants, energy is (4)

Down

2. The overall formula for calculating energy change is the energy of bond breaking in reactants..... bond formation in products (5)
3. The minimum amount of energy required to start a reaction (16)
4. The wider the difference in the electrodes the higher the ...... produced (7)
5. A graphical representation of energy change is known as energy...... (7)
8. Uranium is a ...........fuel (7)
10. A simple cell uses the knowledge of differences in the..... of the electrodes (10)
11. An element that acts as a fuel (8)
12. The most reactive metals is more......... (8)