Questions with the keyword 'experiment'

What is the most expensive experiment to carry out? by tkhan to Aggelos, Andrew, Eileen, Naomi, Shane Comments: (No comments so far )
Why do clothes turn darker when they are wet? by tosty55 to Aggelos, Andrew, Eileen, Naomi, Shane Comments: (so far, 2s comments )
what was your favourite experiment you have ever done? by orlaithennis to Aggelos Comments: (No comments so far )
how whould you test the amount of oxygen in the air xxx by alex to Aggelos, Andrew, Eileen, Naomi, Shane Comments: (No comments so far )