| A | B |
| uniform | the same throughout - NOT school uniform |
| source | where something starts from or originates from |
| characteristics | things you notice or can use to describe an object |
| series | joined together in a line - contrast parallel |
| cell | a single power source, which become a battery of cells when joined together |
| scattering | changing the direction of things so they go in lots of different directions |
| fewer | a smaller number of objects |
| overcome | to be stronger than something else. In Physics the strong force overcomes the electromagnetic force inside the nucleus of an atom |
| desintegrate | fall apart |