Final judging takes place this morning in the BT Young Scientist & Technology Exhibition at the RDS in Dublin.
Public access to the exhibition continues from 9.30am-5pm.
The Young Scientist of the Year 2007 will be announced, along with dozens of other prizes, at the awards ceremony in the BT Arena at the RDS, which takes place from 5.30pm-7.30pm.
The exhibition remains open all day tomorrow and is open to the public from 9.30am-5.30pm.
The top four winning projects will be moved to a special display area making it easier for visitors to find them.
Student and concession tickets cost €5 and adult tickets are €10. Family tickets (two adults and two children) are €25.
Tickets for school parties of 20 or more cost €4 each and primary school students' tickets are €3.50.
More information about the dozens of events taking place during the exhibition is available from www.btyoungscientist.ie.