Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button if available to get a clue. Note that you will lose points if you ask for hints or clues!
allow battery of cells breaking cell complete complete circuit components continuous easily electric current electrical conductor electrical insulators electricity flow good electrical conductor good electrical conductors low voltage motors power packs push round swit switch ulb