The following are some useful websites that can be used for the Primary Science Curriculum:
Electricity
All about Electricity
http://www.aecl.ca/kidszone/atomicenergy/electricity/index.asp
Circuits and Conductors
http://www.bbc.co.uk/schools/scienceclips/ages/8_9/circuits_conductors.shtml
The Blobz Guide to Electric Circuits
http://www.andythelwell.com/blobz/
Electrical Symbols & Adding More Bulbs/Batteries
http://www.bbc.co.uk/schools/revisewise/science/physical/11_fact.shtml
Personal Health
Food Pyramid
http://www.brainpopjr.com/health/food/foodpyramid/
Washing Hands
http://www.brainpopjr.com/health/bewell/washinghands/
Nutrition & Fitness Centre
http://www.kidshealth.org/kid/stay_healthy/fit/nutrition_center.html
Plants
Lifecycle of a Plant
http://www.brainpopjr.com/science/plants/plantlifecycle/
Parts of a Flower
http://www.kidshealth.org/kid/stay_healthy/fit/nutrition_center.html
Importance of Soil
http://www.brainpopjr.com/science/land/soil/
Solar System
Solar System Cards Game
http://amazing-space.stsci.edu/resources/explorations/trading/directions.html
Solar System e-Quiz
http://www.tki.org.nz/r/wick_ed/quizit/?id=49
How to Build Solar System Model
http://www.enchantedlearning.com/crafts/astronomy/solarsystemmodel/
Science Skills
Scientific Method
http://www.brainpopjr.com/science/scienceskills/scientificmethod/
States of Matter
http://www.brainpopjr.com/science/matter/solidsliquidsandgases/