Science Words That Start With “U” (List + Most Common)

There are scientific terms starting with all the letters in the alphabet. This particular article will highlight science words that start with “u”. This is because you might not be familiar with a lot of these “u” science words. This article will showcase words that start with “u” in science.

What Are Some Science Words That Start With “U”?

There are a fair amount of “u” science words that we can discuss. The letter tends to pop up in plenty of fields. There are a lot of very notable science words that start with “u”. Some of these would be “unit”, “universe”, “urine” and “unstable”.

Science Words That Start With U

We’ve created an alphabetical list for you. It contains all of the highlighted terms in this article, for your enjoyment:

  1. UAP
  2. UBV
  3. UFO
  4. UN
  5. Ubiquitous
  6. Ultimate
  7. Ultramafic
  8. Ultrasonic
  9. Ultrasound
  10. Umbel
  11. Umbral
  12. Umbrella
  13. Uncertainty
  14. Unciform
  15. Uncinate
  16. Uncoating
  17. Underemployment
  18. Undersampling
  19. Undershrub
  20. Understeer
  21. Understory
  22. Undulate
  23. Unemployment
  24. Unibody
  25. Unicellular
  26. Unicode
  27. Uniflor
  28. Uniform
  29. Unijunction
  30. Unipolar
  31. Unisexual
  32. Unit
  33. Universal
  34. Universe
  35. Unpaired
  36. Unsaturated
  37. Unshielded
  38. Unskilled
  39. Unsprung
  40. Unstable
  41. Unsupervised
  42. Upper
  43. Upsampling
  44. Upstream
  45. Upthrust
  46. Upwelling
  47. Uracil
  48. Urban
  49. Urea
  50. Urgonian
  51. Urine
  52. Uterus
  53. Utilitarianism
  54. Utility
  55. Utricle

Common Science Words That Start With “U”

There are a lot of science terms that start with “u” that are incredibly common and easy to find. These “u” science words are notable because they’re incredibly popular and important terms. Some examples of these are “unpaired”, “universe”, “umbral” and “umbel”.

Here is a list that will show you some popular science words starting with “u”:

  • Unpaired
  • Universe
  • UBV
  • Umbral
  • Umbel
  • Unciform
  • Uncinate
  • Undershrub
  • Understory

Physical Science Words That Start With “U”

In the physical science realm, there are plenty of cool science words that start with “u”. These terms relate to the different physical science fields. Some examples of physical science words that start with “u” are “uncertainty”, “uniform” and “unit”.

Here are some more physical science words that start with “u”:

  • Uncertainty
  • Uniform
  • Unit
  • Utility
  • UN

Life Science Words That Start With “U”

The sciences that relate to the study of life have a lot of different terms that start with “u”. Life science is a very interesting field, and these are terms worth learning because of that fact. Some life science words that start with “u” are “unicellular”, “uracil” and “urea”.

Here are some more life science words that start with “u”:

  • Unicellular
  • Uracil
  • Urea
  • Urine
  • Uterus
  • Uncoating
  • Umbrella
  • Upwelling

Earth Science Words That Start With “U”

There are plenty of earth science words that start with “u”. These are useful to learn if you have any sort of interest in the earth sciences. Some examples of earth science words that start with “u” are “ultramafic”, “urgonian” and “upstream”.

Here is a list that contains some environmental science words that start with “u”:

  • Ultramafic
  • Urgonian
  • Upstream
  • Unstable

Simple Science Words That Start With “U”

There are a lot of science words that start with “u” and are fairly easy to learn about. These are terms that you won’t have a hard time learning about. Some examples of simple science words that start with “u” are “unicode”, “urban” and “upper”.

The following list has several simple science words that all begin with “u”:

  • Unicode
  • Urban
  • Upper
  • UFO
  • UAP

Science Words That Start With “U” for 5th Grade

Kids in the 5th grade really start getting an interest in science. There are many scientific terms that start with “u” that 5th graders can learn about. Some of these terms would be “universal”, “ultimate” and “unsaturated”.

The following list has a few science words that start with “u” for 5th grade:

  • Universal
  • Ultimate
  • Unsaturated
  • Upthrust

Science Words That Start With “U” for 6th Grade

6th graders are nearly out of primary school, and they can handle deeper information. A 6th grader is able to handle a lot more science words that start with “u”. Some of these science words that start with “u” would be “ubiquitous”, “ultrasonic” and “ultrasound”.

This small list contains some more science words that start with “u” for 6th graders:

  • Ubiquitous
  • Ultrasonic
  • Ultrasound
  • Undersampling
  • Unskilled
  • Undulate

Science Words That Start With “U” for 7th Grade

When a kid enters the 7th grade, that’s a sign that their maturity is increasing by a lot. These more mature kids will be able to understand more scientific terms. Some science words that start with “u” for 7th graders are “unijunction”, “unipolar” and “unshielded”.

This is a list that will showcase several science words that start with “u” for 7th graders:

  • Unijunction
  • Unipolar
  • Unshielded
  • Upsampling
  • Underemployment
  • Uniflor
  • Unisexual

Science Words That Start With “U” for 8th Grade

If someone is in the 8th grade, then you can presume that they’re able to understand complex scientific terms. For these kids, there are many science words that start with “u”. A few examples of these “u” science words are “understeer”, “unibody” and “unsprung”.

Here is a small list containing several science words that start with “u” for kids in the 8th grade:

  • Understeer
  • Unibody
  • Unsprung
  • Unsupervised
  • Unemployment
  • Utricle
  • Utilitarianism