- Horses make a whinny with two tones.
- One tone is low.
- One tone is very high.
- Scientists found how horses do it.
- The low tone comes from vocal folds.
- The high tone comes from a whistle inside the larynx.
- They tested larynges after the horses died.
- Helium changed only the high tone.
Difficult words
- whinny — a sound a horse makes
- tone — the high or low part of a soundtones
- vocal fold — the small tissues that make voice in throatvocal folds
- larynx — the organ in the throat for making voicelarynges
- helium — a light gas used in some sound tests
- scientist — a person who studies and tests thingsScientists
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Have you heard a horse whinny?
- Do you like horses?
- Which animal sound do you know?
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