There is a big push for increasing STEM (science, technology, engineering, and math) in all classes and grade levels. As a science teacher and engineer, I agree that STEM topics are important to our students and our society.
The Dayton Ohio Regional STEM Center is a great resource for teachers who teach STEM subjects or who want to integrate these topics into their classrooms.
The site has STEM Curriculum, project ideas, lesson plans, teacher aids, resources, and links. The resources are high quality and you can search them easily.
This is another great resource for STEM subject lessons and resources.