Science Revision Crossword

4. A closed circuit in which the current follows one path.
5. A chemical change of iron is commonly called _______.
7. CaCl2 is a drying agent that removes ________.
9. Resistance is the _______ of how difficult it is for a current to pass through a material or a circuit.
10. _________ caused the metal to lose electrons.
13. Placed in parallel to measure the potential difference.
16. An highly active metal that is less reactive than sodium and more reactive than aluminium.
17. ________ is a common method to prevent rust.
18. Cathode is ________ and less reactive.
19. A type of chemical reaction that involves a transfer of electrons between two species.
21. An highly active metal with atomic number 19.
22. A chemical element that is more reactive than platinum and less reactive than silver.
23. A form of energy resulting from the existence of charged particles.

1. An electrical safety device that removes electrical current from an electrical circuit when the current is too high.
2. Anode is ________ and more reactive.
3. A flow of electric charge around circuits.
6. A closed path through which an electric current flows.
8. Potential difference pushes the _________ around the electrical circuit.
11. The bigger the difference in __________ between two metals, the higher the potential difference generated.
12. A closed circuit that is divided into two or more paths.
14. As the potential difference increases, the __________ increases.
15. Placed in series to measure the current.
20. To ________ is to load an excessive amount of energy which shorts out the circuits.
24. The _____ wire creates a safe route for the current to flow through if the live wire touches the casing.
25. Rust is an iron oxide, usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture.