8th Grade
Math
8th Grade
Science
8th Grade
Social Studies
8th Grade
English
8th Grade
General Knowledge
100

Find x of the following equation:

    30=-3x + 15

x= -5
100

Which is faster in the air, the speed of sound or the speed of light?

The  Speed of light.

100

What is the US equivalent of a Prime Minister?

President

100

What are different words with the same pronunciation called?

homonyms

100

What do people call the underground system in London? 

The tube

200

No Calculator:

What is the square root of 144?

Answer 12

200

Which type of star is the sun?

It is a Yellow Dwarf

200

Which country backed the colonists in the revolutionary war?

France

200

What is expressing the same message in different words called?

Paraphrase / paraphrasing

200

What is the official language of Brazil?

Portuguese

300

What is 1/4 + 1/2 =?

What is 3/4?

300

Which three planets are considered gaseous?

Uranus, Neptune and Jupiter

300

How old do you have to be to president of the US?

at least 35 years old

300

What do you calls words that spell the same backwards and forwards?

palindromes

300

What is arachnophobia?

The fear of spiders.

400

How many degrees does a triangle have?

180

400

In which ocean is 'Mariana Trench' located?


What is, the Pacific Ocean?

400

What country invented ice cream and soccer?

China

400

What does the word root 'mit' mean?

to send

400

How many days are in a fortnight?

14 (two weeks)

500

What is pi in three digits after the decimal?


3.141

500

What season is the sun in its highest in the sky in the Northern Hemisphere?

Summer

500

What was the name of the world's first urban city? (located in Mesopotamia)?

Ur

500

What is an unexpected turn in the plot called?

a twist

500

How many continents are there in the world? Name them.

There are 7 continents are Asia, Africa, Europe, North America, South America, Australia, and Antarctica.

600

What is the formula for area of a square?

A=S2

600

What force causes a book to slow down when sliding across the floor?

Friction

600

In which country was the first nuclear power plant launched?

The USSR, in 1954. Obninsk nuclear power station

600

What is the difference between historic and historical?

Historical simply refers to the past, whereas historic refers to some cruical events in history which had a great influence. 
600

What was Shakespear's theatre called?

The Globe

700

What is the sum of all angles in a trapezoid?

The sum of all the angles in a trapezoid is equal to 360 degrees. 

700

Who invented the telescope?

Gallelli Galileo

700

Which branch of the US government can declare war ?  legislative, executive, or judicial?

executive

700

What does to procrastinate mean?

to delay; to put off doing something

700

What is the state bird of Texas?

The northern mockingbird

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