4. The construction
• 1- A small light magnet Why?
• In order to spin freely around a
fixed axis.
• 2- Base which is made from
non- magnetic material Why?
Because the needle can move freely
without being attracted to the
base.
5. The uses of The compass
• Identify the main four
geographical directions.
6. Fill in gaps
• 1- The sailors use…………….during
sailing in the ocean .
• The compass.
• 2- The compass is used to identify
the……………
• Geographical directions.
• 3- The …………….consists of a small
light magnet moves freely around
……………….
• Compass, fixed axis.
7. • 4- ………………..is a scientist who
invented the compass.
• William Gelbert.
• 5- The base of the compass is made
from……………material
• Non- magnetic material.
• 6- The …………… .always refers to the
North pole.
• The North
