Here are some websites that can connect you with some ideas for project based learning.
https://my.pblworks.org/ Online ideas and lesson plans for project based learning. (This is not a free site.)
https://scratch.mit.edu/projects/editor/?tutorial=getStarted Learn to build code with Scratch.
Phet – Phet is a free website with simulations used for project based learning.
Pangea Pangea is a way for students to learn from others around the world. Teachers pose a question, and learners respond with posts from around the world. It is also a free site.
Global Problem Solvers Global Problem Solvers offers real world problems for students to solve. It is a free site.
Gradecraft Gradecraft gamifies learning across subjects and increases autonomy for students.