Water Sprinkler Construction and Purpose

The video tutorial guides children through creating a simple water pump with a sprinkler using everyday materials. It begins with an introduction to water sprinklers and their uses in gardens and parks. The teacher lists the materials needed for the experiment, including a straw, cutter, sticky tape, a stick, and a glass of water. The tutorial then provides a step-by-step process to build the sprinkler, followed by a demonstration of its functionality. The experiment shows how the constructed unit can pump and sprinkle water effectively.

What is the primary purpose of a water sprinkler as mentioned in the video?

• To clean the streets

• To water the lawns

• To wash cars

• To fill swimming pools

Which of the following is NOT a material needed for the water sprinkler experiment?

• Sticky tape

• A balloon

• A cutter

• A straw

What is the first step in constructing the water sprinkler?

• Fill the glass with water

• Attach the straw to the stick

• Mark the center of the straw

• Cut the straw into two pieces

How should the cuts be made on the straw?

• Cut the straw into small pieces

• Completely cut through the straw

• Make a single cut in the middle

• Cut a little more than a half circle

What happens when the constructed unit is revolved in water?

• The water changes color

• The water spreads about two meters

• The water is absorbed by the straw

• The water remains still

What is the final step to complete the water sprinkler experiment?

• Revolve the unit in the air

• Fix the straw with sticky tape

• Cut the straw into smaller pieces

• Dip the unit in a glass of water