Christmas Science Activities For Kids, 1st - 6th grades. Christmas is near and we thought about you. Christmas is a period when we share gifts with our friends and family. We consdier users of ecosystemforkids.com our friends and family that is why we did not hesitate to share with you our huge free package of science resources for students, teachers and parents. We cover 1st, 2nd, 3rd, 4th, 5th and 6th grades with free premium science materials like worksheets, games, quizzes, flash cards, board games and more. Click on a link below and begin unpackaging the surprise. Please do not hesitate to share with your friends via your private blogs or social media. Merry Xmas and have fun learning science (geography, physics, chemistry, space science and biology).