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PIMSO 2021 - Science - Grade 6 - National Round Mock Test Question 13

PIMSO Science · PIMSO 2021 - Science - Grade 6 - National Round Mock Test

Question 13

The garden waterfalls below is solar-powered. The solar panel, which absorbs energy from the sun, is connected to a motor in the bowl. The motor pumps water up into the jug through the water hose. Then the water flows down to the bowls. Which one of the following is true of the garden waterfalls?

Question illustration
  1. The water in the big bowl has more potential energy than the water in the jug.
  2. The water flowing out of the jug has both potential energy and kinetic energy.
  3. Heat energy is converted to potential energy and kinetic energy for the garden waterfalls work.
  4. The garden waterfalls cannot operate when there is no heat.