Automatic Bell Siphon Explained

What force helps push water up and over the peak of a siphon?

• Gravity

• Atmospheric pressure

• Capillary action

• Surface tension

What is the term for the process of starting a siphon by filling it with liquid?

• Draining

• Pumping

• Priming

• Sucking

Which of the following are the three main parts of a bell siphon?

• Pump, valve, hose

• Reservoir, bell, riser

• Inlet, outlet, filter

• Tank, pipe, nozzle

In a bell siphon, what causes water to be drawn up the riser tube and out of the reservoir once the bell is sealed by the rising water?

• Increased atmospheric pressure inside the bell

• A vacuum created inside the bell

• The water becoming heavier

• The bell expanding