Although we cannot meet together to Celebrate the Eucharist, it's a great idea on Sunday to sit and read God's Word, as found in the Sunday Readings.
You can find the Sunday message with the readings and reflections here.
Look - the sheet with activities and reflections for Children is here.
A great resource for a short Sunday service that you can celebrate at home with you family have been produced by the Bishops of England and Wales here.
If you are looking for some prayer resouces you can find some here.