1. People who tend to go out sometimes, may have noticed that the ice cubes you get in your drink are usually 'see-throughs'. They almost seem like glass, bright and shiny. Can you make the same ice cubes in your freezer? sure, if you'd use demineralised water sure you can, no problem no, you can't sure, but you will have to wait for 10 years to get the same degree of brightness

2. Staying with the bubbles, the amount of bubbles in a beer and the firmness of the foam is dependent on: the alcohol content of the beer the amount of dissolved CO2 in it the glass that is used all of these

3. There is a simple trick to see if your fancy knives are really of a good quality stainless steel. What could you use on the spot to see if it is really good stainless steel? a diamond (to make a scratch) a magnet a hand magnifying glass a pen

4. If you want to see what an iron crystal looks like, you could go to which European city to watch 'the Atomium'? Paris Budapest London Brussels

5. When I fill a balloon with water and I hold a burning candle underneath it for some time, the balloon will explode. True or False? True False