Inventors
Years of invention
Past Participle
Irregular verbs
Homophones
10

What did Thomas Edison invent that we are now using to keep our houses lit, especially at night?

Lightbulb

10

What year is the light bulb introduced?

1879

10

Past participle of FORGOT?

FORGOTTEN

10

TOOTH

TEETH

10

SEE

SEA

10

What is the greatest contribution of Galileo Galilei?

He invented the telescope

10

What year is the telescope invented?

1609

10

past participle of WAKE?

WAKEN

10

PERSON

PEOPLE

10

PLAIN

PLANE

20

Who was Alexander Graham Bell?

He invented the telephone

20

what year is the refrigerator invented?

1876

20

Past participle of RIDE?

RIDDEN

20

CHILD

CHILDREN

20

CENT

SCENT

30

Who is James Watt?

He invented the Steam engine or the train

30

what year is the air conditioning invented?

1902

30

Past participle of FLY?

FLOWN

30

MOUSE

MICE

30

PEAR

PAIR

40

Who was Tim Berners-Lee ?

He invented the World Wide Web, which is now a very helpful tool for using the internet.

40

What year was the Internet discovered?

1970

40

Past participle of SPEAK?

SPOKEN

40

FOOT

FEET

40

KNIGHT

NIGHT

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