How does a lighthouse work?

How do lighthouses warn passing ships when visibility is poor?

• A series of sounds

• A series of vibrations

• A series of flares

• A series of lights

How far could the fire from the lighthouse of Alexandria be seen?

• 5 miles

• 10 miles

• 20 miles

• 30 miles

On page 27, why was the Pigeon Carrier Lighthouse built?

Why are most lighthouses built in a round (cylinder) shape?

• It is easier to build

• It is cheaper to build

• It reduces the effect of the wind

• It is easier to see

Most of the tasks are done _____________ and an attendant visits occasionally to check the equipment.

• automatically

• autographs

• autobiography

• autocratic

On page 31, which is NOT logged by the lighthouse keeper in their logbook?

• Bird migration

• Weather

• Work done to equipment

• Visitors to the lighthouse

These days, how do visitors get to hard-to-reach lighthouses?

• Hovercraft

• Helicopter

• Light aircraft

• Speedboat

How many lighthouses are there in the world?

Why did the Statue of Liberty stop functioning as a lighthouse?