There are so many websites with fun ideas and child-friendly information here are just a few to get you started.
National Geographic Kids - excellent for all aspects of Science but fantastic for animals and habitats https://www.natgeokids.com/uk/
BBC Bitesize Science - has great games and quizzes linked to all areas https://www.bbc.co.uk/bitesize/subjects/z2pfb9q
WOW science is great for those of you who want to try out science experiments at home with easy to follow challenges https://wowscience.co.uk/
The Exploratorium is the virtual platform for a science technology museum in San Francisco where children get the opportunity to take part in live stream events https://www.exploratorium.edu/
Science Bob is another great scite for those of you who love practical science! It's packed full of crazy and wacky ideas for you to test out at home. Science Bob is another great scite for those of you who love practical science. https://sciencebob.com/