47 Science Speech Topics [Persuasive, Informative]

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Written By Jim Peterson

Jim Peterson has over 20 years experience on speech writing. He wrote over 300 free speech topic ideas and how-to guides for any kind of public speaking and speech writing assignments at My Speech Class.

Persuasive Science Speech Topics


science speech topics

  1. Physically challenged students ought not be separated in class.
  2. Effective erosion control methods are needed to protect barrier islands.
  3. How you deal with failure determines how you achieve success.
  4. Space exploration helps improving life on Earth.
  5. Agnosticism is skepticism regarding theology.
  6. There is no single ADHD test for Attention Deficit Hyperactivity Disorder.
  7. Develop guidelines for scientific embryonic stem cell research consent.
  8. Not all medical and scientific research improves public health.
  9. Cancer is the most important disease scientists should research and solve.
  10. Science makes our way of life change too fast.
  11. Space exploration benefits our world.

Informative Science Speech Topics

  1. The reason we don’t grow hair on our toenails.
  2. The effects of music on the brain.
  3. How does our brain work?
  4. Mars was the same as Earth in the past.
  5. How much of our brain do we actually use?
  6. How Charles Darwin changed the world.
  7. The latest discoveries in astronomy.
  8. Where did dogs come from?
  9. The history of greyhound dogs.
  10. The craziest scientists in history.
  11. How to survive a shark attack.
  12. How bottled water is purified.
  13. The incredible power of the mind.
  14. A cheetah’s hunting skills.
  15. Innovative science experiments that are benefitting everyone.
  16. The best butterfly collecting methods.
  17. The intelligence of dolphins.
  18. The need to preserve forests.
  19. The important 18th century Swiss chemists.
  20. The history of genetically mutated animals.
  21. The latest astronomical technology.
  22. How light emitting diode lamps work.
  23. The endangerment of tigers.
  24. Why oxygen is so important.
  25. Are humans still evolving?
  26. The benefits of wind resistant technology.
  27. Why bats hang upside down.
  28. How the Earth was formed.
  29. How galaxies are formed.
  30. The best types of houseplants.
  31. How chocolate is made.
  32. How the the Great Lakes formed.
  33. How DNA evidence is used.
  34. Your body language reveals your deepest secrets.
  35. How earthquakes can be predicted.
  36. Why polar bears are going extinct.

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