Using a hand lens technique

Question 1

What is the purpose of a hand lens?

Answer 1

see the features of the rock clearly at higher magnification

Question 2

If you wear glasses what should you do when using a hand lens?

Answer 2

keep them on – but be careful not to scratch

Question 3

What size of fragment is preferable to study with a hand lens?

Answer 3

small fragment which can be brought to eye level

Question 4

How should the sun be considered when using a hand lens?

Answer 4

get the light onto the surface you are going to examine

Question 5

How close should you hold the hand lens?

Answer 5

close to eye or glasses
slowly move lens closer to sample