Here you will find links that will make easier for you understand Science or simply, have fun with it!!!
Brainpop- Scienific Method- http://www.brainpop.com/science/scientificinquiry/scientificmethod/
Lab Equipment- http://www.wisc-online.com/Objects/ViewObject.aspx?ID=SCI302
Lab Equipment- http://www.youtube.com/watch?v=Oa43l-88CTU&feature=related
Measuring volume using a graduated cylinder- http://www.wisc-online.com/objects/ViewObject.aspx?ID=GCH302
Periodic table and the elements- http://www.chem4kids.com/files/elem_intro.html
Chemical vs Physical Changes- http://www.chem4kids.com/files/matter_chemphys.html
Kinetic Energy- http://www.brainpop.com/science/energy/kineticenergy/
Potential Energy- http://www.brainpop.com/science/energy/potentialenergy/
Newton's Laws of Motion- http://www.sciencechannel.com/games-and-interactives/newtons-laws-of-motion-interactive.htm
Newton's Laws of Motion- http://www.brainpop.com/science/motionsforcesandtime/newtonslawsofmotion/
Laws of Motion- http://www.neok12.com/Laws-of-Motion.htm
The Electromagnetic Spectrum- http://science.hq.nasa.gov/kids/imagers/ems/
Electromagnetic Waves- http://science.hq.nasa.gov/kids/imagers/ems/waves3.html
Doppler Effect- http://www.discovery.com/tv-shows/other-shows/videos/assignment-discovery-shorts-doppler-effect/
Stars Life Cycle and HR Diagram- http://aspire.cosmic-ray.org/Labs/StarLife/starlife_main.html
Moon Phases- http://www.planetsforkids.org/moon-moon.html
Plate Tectonics- http://www.ducksters.com/science/earth_science/plate_tectonics.php
Earth Structure- http://www.learner.org/interactives/dynamicearth/structure.html
Topographic Maps- http://www.ducksters.com/science/earth_science/topography.php
Food Webs and Chains- http://idahoptv.org/dialogue4kids/season11/food_chain/facts.cfm