Brain Teasers
Science it up!
Teachers
100

What has keys but can't open locks?

A piano.

100

What is the name of the process by which a liquid turns into a gas without reaching its boiling point?

Evaporation.

100

What is teacher Jeffrey’s favourite word?

Okay
200

I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?

An echo.

200

What element is commonly used in semiconductors due to its ability to conduct electricity under certain conditions?

Silicon.

200

What is the pet phrase that Mr.Duan (Chinese A teacher) always say?

Isn't it (是吧)

300

The more of this there is, the less you see. What is it?

: Darkness.

300

In the periodic table, which group contains the noble gases, which are known for being chemically inert?

Group 18 (also known as Group 0).

300

Which foreign teacher read a Chinese novel during the break?

Mr Sergio

400

What comes once in a minute, twice in a moment, but never in a thousand years?

The letter "M"

400

What is the primary difference between an endothermic reaction and an exothermic reaction?

An endothermic reaction absorbs energy, while an exothermic reaction releases energy.

400

Which teacher most recently became a dad?

Keola

500

 I am tall when I am young and short when I am old. What am I?

A candle.

500

Which law states that the pressure of a gas is inversely proportional to its volume at a constant temperature?

Boyle's Law.

500

Which teacher has been working here for 14 years?

Maggie Jia