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