What's a periscope?
an instrument to see what is on the surface of the water
What do we call this?
cave
What do we call this?
compass
What do we call this?
keyhole
What do we call this?
lightbulb
What do we call this?
light
What do we call this?
lighthouse
What do we call this?
pirates
What do we call this?
shovel
What do we call this?
treasure chest
What do we call this?
tripped over something
