Math and Science Trivia Questions (Grades 7-10)

How many cupcakes are in a baker’s dozen?

• 15

• 13

• 12

• 10

Which of the following structures is the site of gas exchange in the lungs?

• alveoli

• bronchi

• bronchioles

• trachea

How many colors are needed on a map to make sure that no border will share a color?

• four

• six

• ten

• twelve

What is the chemical formula for sodium chloride?

• NaCl

• NCl

• NaCr

• SC

What is the middle date of 2021?

• June 2

• June 30

• July 2

• July 30

Where is the energy for photosynthesis generally obtained?

• carbon dioxide

• chlorophyll

• chloroplast

• sunlight

Who was the first to use x as a variable?

• Rene Descartes

• Galileo Galilei

• Albert Einstein

• Isaac Newton

The heart of this organism is located on its head.

• Ant

• Butterfly

• Shrimp

• Spider

What is the value where Celsius is equal to Fahrenheit?

• -30

• 30

• -40

• 40

Which of these stars is the coolest?

• blue

• orange

• red

• yellow