Poll Everywhere lets your audience respond using text messages (SMS), Twitter, or the web in real-time. The best part is you can embed live audience responses and live charts right inside your Microsoft PowerPoint presentation, free!

Rutherford's experimental results led him to conclude that atoms contain massive central regions that have

Poll responses are kept private

  • a positive charge.
  • a negative charge.
  • no charge.
  • both protons and electrons.
I want to ask my audience this question...