In a double blind trial half the class had caffeine free cola and half had cola with caffeine. The distance on the ruler DID decrease but it also decreased for the placebo group by a similar value so the reason was not due to the presence of caffeine. #doubleblind#SEC_Science
How fast are your reactions? Syntax tested their speedy reactions by catching a ruler when it was dropped between their open thumb and fingers. They then drank some cola to see if that had an effect on their results.
#caffeine#reactiontimes#aqarequiredpractical#placeboeffect
It was too cold to go to the seaside today so we brought the seaside to Edmundia! Our Elements separated a mixture of sand, salt, driftwood, shells, pebbles and iron nails using various techniques. #magnet#sieve#soluble#insoluble#dissolved#filtered#evaporation