Famous Machines
Numbers and Logic
Around the World
Science, Tech
Food Around the World
100

The NASA rover that landed on Mars in 2021

Perseverance

100

The number of sides on a heptagon

7

100

The largest ocean on Earth

The Pacific

100

What “CPU” stands for

Central Processing Unit

100

The country pizza comes from

Italy

200

The name of Boston Dynamics’ dog robot

Spot

200

Next in sequence: 1, 1, 2, 3, 5, 8, …

13

200

Country with Largest Population

India

200

The chemical element with the symbol “Fe”

Iron

200

The main ingredient of guacamole

Avocado

300

The IBM computer that beat chess champion Garry Kasparov in 1997

Deep Blue

300
Number 10 in binary

1010

300

Smallest Country, by area

Vatican City

300

The unit of electrical resistance

Ohms

300

Spanish rice dish traditionally cooked in a wide, shallow pan

Paella

400

The company, Alphabet Inc, that runs driverless robotaxis in cities like San Francisco and Phoenix

Waymo

400

Number of seconds in a day

86400

400

Country with 3 official languages: Dutch, French, German

Belgium

400

What “HTML” stands for

HyperText Markup Language

400

The bean that tofu is made from

Soybean

500

Name of the humanoid robot that was granted Saudi Arabian citizenship in 2017 (name)

Sophia

500

A 12-tooth gear drives a 36-tooth gear. If the small gear turns 3 times, how many times does the large gear turn?

1 
500

Counting its overseas territories, this country has the most time zones

France

500

The first artificial satellite, launched by the Soviet Union in 1957

Sputnik (Sputnik 1)

500

Most expensive spice in the world by weight

Saffron

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