Question 1

Which plant is used in phytoremediation to filter arsenic from soil?

Accepted Answer

Sunflower

Question 2

Which metal is so reactive it explodes in water?

Accepted Answer

Potassium

Question 3

Which engineering technique stabilizes leaning towers?

Accepted Answer

Soil extraction

Question 4

What is the ‘sound’ of a black hole?

Accepted Answer

A deep hum (57 octaves below middle C)

Question 5

What occurs when excess CO₂ lowers ocean pH, harming shells and corals?

Accepted Answer

Ocean acidification

Question 6

The space-age toughie - Identify Element with Atomic Number 22?

Accepted Answer

Titanium

Question 7

Who invented the first solar cell in 1954?

Accepted Answer

Bell Labs

Question 8

Which flower's seeds were carried on Apollo missions as contamination checks?

Accepted Answer

Tumbleweed

Question 9

Which tree's sap is used to make maple syrup?

Accepted Answer

Sugar Maple

Question 10

What causes frost heave?

Accepted Answer

Water freezing in soil

Unit Of Measures science Questions - Triviaah