The video tutorial demonstrates how to create a kaleidoscope and a periscope using simple materials. It begins with an introduction to the materials needed for the kaleidoscope, followed by step-by-step instructions on assembling and decorating it. The video then explores various designs by placing different objects inside the kaleidoscope. Next, the tutorial introduces the materials required for a periscope and provides detailed instructions on assembling and testing it. The video concludes with a demonstration of the periscope's functionality.

What is the first step in making a kaleidoscope?

• Adding objects inside the kaleidoscope

• Covering the mirrors with plastic

• Joining the mirrors in a triangular shape

• Decorating the mirrors

Which material is used to join the mirrors in the kaleidoscope?

• Electric tape

• String

• Glue

• Rubber bands

What is the purpose of the cloth in the kaleidoscope?

• To act as a lens

• To cover the entire kaleidoscope

• To decorate the kaleidoscope

• To hold the mirrors together

What happens when you shake the kaleidoscope with objects inside?

• The kaleidoscope stops working

• The mirrors break

• The design changes

• The objects fall out

What is the main function of the mirrors in the kaleidoscope?

• To act as a cover

• To hold the objects

• To provide stability

• To reflect light and create patterns

What is the first material mentioned for making a periscope?

• A mirror

• A plastic sheet

• A pipe

• A lens

What is used to cover the pipe in the periscope?

• Black paint

• White paper

• Plastic wrap

• Cloth

What is the purpose of the door elbows in the periscope?

• To decorate the periscope

• To act as a lens

• To connect the pipe ends

• To hold the mirrors

Where are the mirrors placed in the periscope?

• On the elbows

• On the outside of the pipe

• At the base of the pipe

• Inside the pipe

What can you see with a larger periscope?

• Only underwater objects

• Only nearby objects

• Only objects in the sky

• More distant objects