Science Crossword Puzzle

QUESTIONS LIST: carbon : c on the periodic table stand for, compound : two or more different atoms chemically bonded or joined together, two : how many hydrogen atoms in h2, phosphorous : what element is number 15 on the periodic table, reactant : a substance at the start of a reaction, collision : hitting or crashing into something, concentration : measured in g/dm³, ammeter : what component goes parallel in a circuit, voltage : measured using a voltmeter, series : a circuit that goes round in one loop, nickel : ni, a magnetic metal, parallel : a circuit with multiple branches is called.., bulb : the circuit component which is a circle with a cross in the middle, copper : the wire used to wrap around the nail whilst making an electromagnet is made from.., mitochondria : where respiration takes place, glucose : comes from the food we eat, photosynthesis : is similar to the equation for respiration, kilojoules : kj, energy is measured in this, respiratory : the system that helps you breathe, lungs : the main part of the respiratory system