Project-based learning (PBL) and the integration of technology in education are transformative approaches that can significantly enhance the learning experience. Here are five key educators, bloggers, and thought leaders renowned for their insights and contributions to these fields. Following them on Twitter or other social media platforms will provide you with a wealth of ideas, resources, and inspiration:

1. **Suzie Boss** (@suzieboss) - Suzie Boss is a journalist and educational consultant who focuses on the power of teaching through project-based learning. She has written extensively on the subject, including books and articles that serve as foundational texts for educators looking to implement PBL in their classrooms. Her social media presence is a rich resource for practical tips, success stories, and innovative project ideas.

2. **Vicki Davis** (@coolcatteacher) - Vicki Davis, the woman behind the Cool Cat Teacher blog, is an IT director and teacher with a deep passion for educational technology and creative teaching methods. Her blog and social media channels are full of resources on integrating technology in the classroom, digital citizenship, and engaging teaching strategies. She also hosts the "10-Minute Teacher Podcast," which is a great resource for educators on the go.

3. **Michael Matera** (@mrmatera) - An educator and author known for his expertise in gamification and technology integration in education. Following Michael Matera will give you insights into how to create immersive learning experiences that leverage technology and game-based learning principles. His book, "Explore Like a Pirate," and his social media posts offer numerous ideas on making learning more engaging and interactive.

4. **Kasey Bell** (@ShakeUpLearning) - Kasey Bell, the voice behind Shake Up Learning, is an influential blogger, speaker, and Google Certified Trainer. Her work focuses on educational technology, digital literacy, and the integration of Google tools in the classroom. Following her, you will find an abundance of resources, tutorials, and innovative ideas for using technology to enhance learning and make your classroom more dynamic.

5. **Edutopia** (@edutopia) - While not an individual educator, Edutopia is a leading voice in the field of education, focusing on what works in education. Following their social media channels will provide you with a steady stream of articles, videos, and resources on project-based learning, technology integration, and innovative teaching practices. The George Lucas Educational Foundation backs it, and it's a treasure trove of research-backed educational strategies.

By engaging with these thought leaders, you'll gain access to a wealth of knowledge and resources that can help you effectively integrate project-based learning and technology into your science classroom, making your teaching more impactful and engaging for your students.