RR M5 R2

A

100

Which organ absorbs nutrients?

Small intestine

200

What part of a microscope holds the objective lenses?

Revolving nosepiece DJ

300

What type of lens bulges outward?

Convex lens

B

100

What is the main component of natural gas?

Methane

200

What is the colour of chlorine gas?

Greenish-yellow

300

What is the main pigment in red blood cells?

Haemoglobin

C

100

Zap point

-300

200

Steal points

250

300

Lucky strike

500

D

100

What do we call the motion where speed changes continuously?

Acceleration

200

What substance is formed when metals react with oxygen?

Metal oxides

300

Which element is liquid at room temperature besides mercury?

Bromine

E

100

What is the age of Earth approximately?

4.5 billion years

200

What is Earth’s largest ocean?

Pacific Ocean

300

What is the centre of a hurricane called?

Eye DJ