Step 1
Wash your milk cartons or cardboard thoroughly.
Step 2
Cut off the slanted tops of each carton or cardboard with the scissors.
Step 3
Cut a viewing hole in each box wide enough to see through on the bottom edge of each carton/cardboard.
Step 4
Tape a small mirror slanted up, starting from the viewing hole. Do the same thing with both cartons or cardboards.
Step 5
Tape together the ends of the carton or cardboard. Put one of them upside down on top of the other one sitting on the table.
Step 6
Get the construction paper or paint and use it to cover the periscope.
Step 7
Finally, you can enjoy your new periscope model.
The periscope has a reflector to make the light turn corners
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by sunlight maybe??
A light bulb.
2.
well there really is no antonym that i know of for periscope because a periscope is an object.
someone discovered the periscope
a diagram of a periscope
The periscope was invented in 1450 by Johann Gutenberg
Periscope Life was created in 1980.
Periscope Entertainment was created in 2004.
The periscope was invented in 1450 by Johann Gutenberg.