Please Help me out in these questions:
1: One property oaf a liquid that is considered when constructing a liquid in glass thermometer is that the liquid expands more than the glass for the same temperature change. state any other properties of the liquids that are considered.
2. What property of light is suggested by the formation of shadows?
3. State 2 advantages of an alkaline battery over a lead acid battery
4. Give a reason why attraction in magnesium is not regarded as a reliable method of testing for polarity
5. State the newtons laws of motion.