Grade 5s, here are the links that you will need to do your science centres.

REVIEW CENTRE:

States of Matter – Who Wants to be a Millionaire?

Chem4Kids Quiz

Physical or Chemical Change?

Rags to Riches

Reversible and Non Reversible Change

Materials

WATER CYCLE CENTRE:

Bitstrips

Here are the links that you need in order to do the activities at this science centre: 

Read the article first and then do the following quiz:

http://www.quia.com/quiz/303980.html

Once you have finished the quiz, visit this site:

http://bbc.co.uk/schools/scienceclips/ages/10_11/rev_irrev_changes.shtml

Grade 5s click here foryour activity: http://www.engineeringinteract.org/resources/parkworldplot.htm

Grade 6s click here for your activity: http://www.ueet.nasa.gov/StudentSite/games/wb2k3/wb2k3.swf