Chemistry
Vowel sounds
Mexican history
Consonant sounds
Maths
100

This is the chemical symbol for water

H2O

100

What sound does the letter E make?

/e/ as in bed

100

This is the name of the ancient civilization that built the city of Tenochtitlán

The Aztecs

100

What sound does the letter D make?

/d/ as in diet

100

The value of π (pi) is approximately this number

3.14

200

The periodic table was created by this scientist

Dmitri Mendeleev

200

What sound does the letter U make?

/ʌ/ as in sun

200

When is it celebrated the country's independence from Spain

September the 16th 

200

What sound does the letter Z make?

/z/ as in zombie

200

The Pythagorean theorem applies to this type of triangle

Right triangle

300

This is the most abundant gas in Earth's atmosphere

Nitrogen

300

What sound do the letters OA make?

/oʊ/ as in boat

300

This man is known as the "Father of Mexican Independence"

Miguel Hidalgo

300

What sound does the letter Y make?

/j/ as in year

300

This is the result of 15 x 12 

180

400

This type of chemical bond involves the sharing of electron pairs

Covalent bond

400

What sound do the letters IE make?

/aɪ/ as in pie

400

When did the revolution to overthrow dictator Porfirio Díaz begin?

1910

400

What sound do the letters NG make?

/ŋ/ as in king

400

The derivative of x2 is this

2x

500

The pH scale measures the concentration of these ions in a solution

Hydrogen ions (H⁺)

500

What sound do the letters AI make?

/eɪ/ as in train

500

This agreement ended the Mexican-American War in 1848

Treaty of Guadalupe Hidalgo

500

What sounds can the letters TH make?

/ð/ as in this

/θ/ as in think

500

This term describes a number divisible by only 1 and itself

Prime number