Try this science experiment with children over the course of several days. Fill up 4 vases with different coloured water and put 1 white carnation in each one. Watch the flowers over the next four days change to the colour of the water.
British Olympic and Commonwealth gold medal winning cyclist, Laura Trott
Laura Trott (British cyclist and Olympic champion) - nothing inspires me more than our amazing female olympic athletes... um how many golds was that Laura??!!!
Promotional material for the 2016 Olympic Paralympic games in Brazil - Rio De Janeiro.
Specialized paintjob changes colour as the temperature rises
Mike Lemanski More
Ancient Greece activity--plan your own Family Olympics! (We did this! outstanding family activity!)
Jessica Ennis: heroine of the sports & beauty world. Pure muscle. What's fat about that?
Olympic art | ... Pendleton - London 2012 Olympics: Goldie paints Team GB hopefuls
Bradley Wiggins celebrates winning the gold medal Men's Team Pursuit Rio Olympic Games 2016 / Getty Images