Science Vocabulary http://bcs.caboces.org/binatech4thgrade/
Science Written Practice http://www.nysedregents.org/testing/sciei/science4.html
Science Written Test Sampler http://www.emsc.nysed.gov/ciai/mst/pub/elemscisamp.pdf
Interactive Simple Machines Website http://www.edheads.org/activities/simple-machines/
Friction http://www.bbc.co.uk/schools/scienceclips/ages/8_9/friction.shtml
Friction - coasters http://funderstanding.com/k12/coasters/
Food Pyramid Game http://www.mypyramid.gov/kids/kids_game.html
Interactive Owl Pellet website http://www.kidwings.com/owlpellets/index.htm
Layers of the Earth Power Points science.pppst.com/layers.html - 7k