Wonderful Inventions by Chance
A New Cookie Star: Chocolate Chip Cookies
In America, there was ____ famous cook, Ms. Wakefield.
One day in 1938, she wanted to ____ chocolate cookies.
However, she didn’t have enough time to ____ chocolate.
So, she ____ a chocolate bar into small chips.
Then, she mixed them with her dough ____ put the cookie dough into the oven.
When Ms. Wakefield opened the oven, she found that the chips were not ____ into the dough.
Although the chips remained in the cookies, she was ____ disappointed.
Her new cookies ____ so delicious.
She invented chocolate ____ cookies!
Finding Safety in Glass: Safety Glass
In 1903, a French scientist, Mr. Bénédictus, was experimenting with liquid plastic in a ____ flask.
He accidentally hit the glass flask, and it ____ on the floor.
Although the glass flask was broken into pieces, they still held ____ in the shape of the flask!
____ could this happen?
The secret was the liquid plastic in ____ flask.
This finding led to his invention of ____ glass.
These days, we can find safety ____ everywhere.
____ example, it is used for car windows.
If there ____ a car accident, people are safer from sharp pieces of glass.
Cleaning Clothes Without Water: Dry Cleaning
Can you ____ your clothes without water?
____ answer is “yes.”
Dry cleaning uses oil ____ clean clothes.
There’s ____ interesting story about dry cleaning.
In the 1800s, a factory worker in France spilled lamp ____ on a tablecloth.
____ factory manager, Mr. Jolly, looked at the tablecloth and found something.
The dirty spot on the tablecloth was cleaned by the lamp ____
His discovery led to a new way of ____ clothes.
Now, dry ____ is widely used around the world.
These wonderful inventions came by ____
When things ____ wrong, don’t be disappointed.
Maybe you can ____ the next amazing inventor.