Rosetta Stone Foundations (ELL): Unit 18, Lesson 3

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18 words 21 learners

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Full list of words from this list:

words only definitions & notes
  1. laboratory
    a workplace for the conduct of scientific research
    I'm a scientist. This is the laboratory where I work.
  2. telescope
    a magnifier of images of distant objects
    This is my first time looking at stars through a telescope.
  3. microscope
    magnifier of the image of small objects
    My students use microscopes when they're in the laboratory.
  4. planet
    a celestial body that revolves around the sun
    Earth is the third planet from the sun.
  5. cell
    the basic structural and functional unit of all organisms
    The scientist is looking at cells through a microscope.
  6. chemical
    material produced by changes in atoms or molecules
    They're measuring chemicals in a laboratory.
  7. earth
    the third planet from the sun
    In 1969, three Americans traveled from the Earth to the moon.
  8. subtract
    deduct; calculate the difference between two numbers
    If you subtract two from six, the answer is four.
  9. divide
    calculate a fraction
    If you divide six by two, the answer is three.
  10. multiply
    combine by adding the same number repeatedly
    If you multiply six by two, the answer is twelve.
  11. biology
    the science that studies living organisms
    I did a biology experiment to discover if music helps plants grow.
  12. chemistry
    the science of matter
    For my chemistry experiment, I wanted to discover if the chemicals in coffee and tea are different.
  13. astronomy
    the branch of physics that studies celestial bodies
    The student is studying stars in an astronomy class.
  14. biologist
    a scientist who studies living organisms
    This biologist studies the birds in this forest.
  15. astronomer
    a physicist who studies celestial bodies and the universe
    This astronomer is studying the planets.
  16. discover
    determine the existence, presence, or fact of
    This chemist is about to discover what happens when you add these chemicals together.
  17. experiment
    the act of conducting a controlled test or investigation
    The chemist is working on an experiment to discover chemicals in the water.
  18. inch
    a unit of length equal to one-twelfth of a foot
    The plant that I played my violin for grew two inches in two weeks.
Created on Mon Aug 23 11:20:52 EDT 2021 (updated Fri Aug 27 17:32:53 EDT 2021)

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