QUICKFIRE QUESTIONS

Q1 Which of these is the most potent greenhouse gas?

Carbon dioxide Methane

Nitrous oxide Fluorinated gases

Q2 Which 1934 invention made driving at night a much safer prospect?

GPS Streetlights Cat’s eyes Road markings

Q3 Why do trees have bark?

To hold water in

As defence against insects To reflect sunlight To deflect woodcutter axes

Q4 Which of these is the most powerful computer

Cray-2

D-wave Advantage The Difference Engine Macintosh 128K

Q5 What is infrared radiation also known as?

Visible light Heat

X-rays Sound

Q6 Approximately how many Earths would fit into the Sun?

1,300 130,000 1.3 million 133 million

Two water bottles

Two stools or chairs 45 centimetres of wire

Tray

Felt

Ice cube