Calculations + Practicals

Question 1

What is bigger, nano metres (nm) or micro metres (upside down h,m)?

Answer 1

Micro metres

Question 2

How many times smaller is a nano metres than a metre? Same for micro metre?

Answer 2

Nano = (10)-9
Micro = (10)-6

Question 3

Why does the ruler drop test not involve a reflex action?

Answer 3

• not an automatic response
• requires the conscious part of the brain to

Question 4

What can you use to measure the amount of water in soil?

Answer 4

Soil moisture metre

Question 5

What is a transect?

Answer 5

A line to position quadrants on (at right angle to something e.g. a river if measuring effect of water on land)