____ I was doing my homework, a car accident occured.
Fill in the blank either with when or while.
While
To build or find something new.
Invent
What did Newton discover?
Gravity.
Tell one of the earliest means of communication.
Teacher's judgment.
A box that is in front of houses in which postmen put people's deliveries.
Mailbox.
While I played football, a dog ran into the field.
SPOT THE ERROR
played --> was playing
The person who invents things.
Inventor.
What did Alexander Graham Bell invent?
The telephone.
Pony Express.
The thing when it first came out, the device called the "idiot box".
Television.
Ali was talk on the phone when Ayşe were playing the guitar.
SPOT THE ERRORS
was talk --> was talking
when --> while
were playing --> was playing
When inventing, the process of trail and error.
Experiment.
The person that invented the Braille Alphabet.
Louis Braille.
The tool that connects people virtually with various technological devices (computers, smart phones).
Internet.
The bird that used to deliver written messages.
Pigeons.
While you grow up, you understood life.
SPOT THE ERRORS
While --> When
understood --> will understand
An electrical device that luminates our rooms.
Light bulb.
The person who climbed both South and North Pole of the Mount Everest.
Edmund Hillary.
Facebook.
First known written communication form, that utilizes symbols rather than letters.
Cave painting.
____ the singer was singing her song, the crowd were applauding loudly.
While
A document that inventors get after they invent something, to protect their rights on the invention.
Patent.
What did Edwin Hubble invent?
The Hubble Telescope.
How did technology change today? Compare the past and the present, thinking the means of communication.
Teacher's judgment.
The widely-used brand of technological devices whose founder died in recent years.
Apple.