The Welsh Conservatives say fewer young women are studying science subjects at A Level.
Boys outnumber girls by five to one.
The Chief Scientific Adviser for Wales says a science plan's being developed.
It'll include actions to address the low take up of girls for A level physics.
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Heavy, thundery showers will clear northwards through the morning, allowing it to turn mostly dry and bright for many.
Some locally heavy showers are possible overnight, particularly in the east, where some thundery downpours are possible.
Wayne Pivac praised Scarlets' attacking style as they secured the Guinness PRO12 title with a stunning 46-22 success against Munster.