Holidays are the perfect opportunity to do some science experiments at home. There are some great ideas at http://www.bbc.com/future/story/20131213-fun-science-tricks-to-try-at-home
Grade 8 students have already made a hovercraft (out of a balloon, an old CD and a drink bottle lid)!
Not only are there good ideas here, there are links to interesting articles as well.
Remember that Grade 10 Physics and Biology students have some homework to complete over the upcoming break. The exams are coming up quickly, so they need to consistently work on all subjects during the time when they are not at school.
Happy holidays!