Vocabulary
Grammar
Reading
100

What does an inventor do?

An inventor invents new things or makes new inventions.

100

Fill in the blank: 

People    ....... to ride horses long time ago.


used

100

                True or False

Some inventions can be made by accident.

True

200

Fill in the blank:

Thomas Edison ..... a light bulb in 1879.

invented

200

Fill in the blank:

How did people ......  wash their clothes?

a. used

b. use to

c. used to

use to

200

Who invented Braille alphabet?

Braille

300

What do you do when you have problem? What do you try to find?

a solution

300

Fill in the blank.

People didn't ..... talk on the phone 200 years ago.

a. used to

b. use to

c. used

use to

300

How did people use to keep food cool or fresh?

They used to put food in the cellar.

They used to put food on ice.

They used to rub food with a lot of salt.

400

the opposite of "fail"

succeed

400

Fill the Blank in General statement:

- What can you do with a phone?

- ..... can take nice photos.

You

400

How fast do bullet trains travel in Japan?

300 kilometers per hour

 or 

186 miles per hour

500

What two things does an inventor need to create a new invention?

Imagination and creativity

500

Is it a general statement?

I don't know how to play dodgeball. How do you play it?

Yes, it is a general statement.

500

How did Frank Epperson invent a popsicle?

He left a cup with soda and a stick in the yard on the cold night.

by accident

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