English Month 4

note produced when vibrations are fast

• high note

• sound

   

• 
  low note

•  

  pitch

Match each concept to the correct definition.

has three bones through which vibrations pass on to the cochlea

• middle ear

• outer ear

• cochlea

• inner ear

Match each concept to the correct definition.

can recognize sound

• middle ear

• brain

• cochlea

   

• inner ear

Choose the reflexive pronoun that you find in each sentence.

My dog hurt _______

• ‌yourselves

• ourselves 

• itself 

Match each concept to the correct definition.

these are tested by scientists and engiineers through ultrasound

• echocardiogram

• ultrasound

• metals and plastics

Choose the possessive pronoun that correctly completes each sentence.

This here is my brother's book. It is ___‌ .

• his

• mine

• yours

• hers

Match each concept to the correct definition.

small part of the inner ear that looks like a snail

• outer ear

• 
  brain

• middle ear

• cochlea

Match each concept to the correct definition.

determines if the valves and heart chambers are working properly

• echocardiogram

• ultrasound

• echocardiogram

Write the correct answer. 

Most bat species have a remarkable navigation system called__________

Match each concept to the correct definition.

uses high-pitched sound waves that are above the range that humans can hear

• ultrasound

• echocardiogram

• metals and plastics