Make a replica waterfall for a school science project, and impress your teacher and classmates with actual running water. A little help from your parents and a few supplies are all you need in order to create a waterfall that looks like a smaller version of the real thing. Remember to work in a well-ventilated area and to ensure that adult supervision is present at all times.
- Skill level:
- Moderately Challenging
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Things you need
- Submersible pump and tubing
- Large bowl
- Small pebbles
- Waterproof adhesive
- Extension cord
Place your submersible water pump into the large bowl, according to package instructions. Your parents should help you make sure that you securely attach the suction cup feet and that you properly connect the tubing.
Stack rocks around the submersible pump with enough height that they look like a waterfall. You can safely extend the waterfall a few inches above the height of the bowl. Ensure that there are some gaps between rocks at the bottom so that water can circulate back to the pump.
Glue the rocks in your waterfall together using waterproof adhesive. Gluing them helps to keep them from moving when transporting your waterfall to and from school. Use the glue in a well-ventilated area and with parental supervision. Allow the glue to dry overnight.
Scatter pebbles below the waterfall so that the bottom of your bowl is no longer visible.
Fill the bowl with water, completely submersing the pump so that it does not become damaged. Plug in the pump, ensuring no moisture is present on the cord or plug. The pump will push the water up and over your waterfall, making it look like the real thing. When presenting your waterfall at school, make sure that your teacher knows that you need an outlet. Bring an extension cord to make sure that you can easily reach one.
Tips and warnings
- Children should never operate pumps unsupervised, due to the fact that they involve both water and electricity.
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