The Energy Show at Science Museum, Cromwell Rd, SW7 (South Kensington tube)
A high-octane show for daring minds features methane bubbles ablaze, liquid nitrogen frozen flowers and hydrogen rockets blasted into the audience! Live experiments in a ‘steampunk workshop’ create explosive family theatre best for ages 7+. 11.30am & 1.30pm (Tue & Sun); adult £14.50/child £9.50/family £29-£42 (until Aug 31)