The seesaw candle is a simple and easy science experiment for kids at school or at home. That teaches how Newton's Third Law of Motion works. The candle acts like a seesaw. It is super fun.
Age: 5+ Time: <20min
Safety
1. Be careful with the fire. Make sure there is no flammable around.
2. Be careful with the knife and a paper clip.
3. Adult supervision.
Materials List
- Candle
- Lighter
- Paper clip or needle
- Beakers or cups
- Pliers
- Knife
Instruction
Step 1/6 –Sharpen the bottom of the candle to expose its wick.
Step 2/6 – Find a balance point and make a mark. It is usually at the center.
Step 3/6 – Straighten the paper clip. If you have the needle, you do not have to this step.
Step 4/6 – Heat the straightened paper clip and force it through the balance point.
Step 5/6 – Balance the candle between two beakers. It is okay if one end of the candle is heavier than the other.
Step 6/6 – Light low end of the candle and then the up end, and see what happens.
Troubleshooting
Why my seesaw swing slightly?
— make sure the candle is not too short and there is not too much friction prevent it swing. You also can give the seesaw help by making it swing. Once it begins to swing, it will keep swinging.
Question to Ask
1. Can candle be replaced by other stuff, like a wooden stick?
Scientific Description
The candle moves in response to the weight of both ends of the candle. The low end of the candle is heavier than the up end of the candle. When one end of the candle goes down, it is angled such that the flame melts the wax, causing it to drip down. With the dripping of the wax, the low end of the candle is getting lighter, and eventually, the low end is lighter than the up end of the candle so it goes up. And, the up end of the candle goes down. Aside from the lessen mass, the dripping wax actually pushes the end of the candle up, according to Newton's Third Law of Motion. The whole process of up and down reverses.
Extensions
Can you make the candle to rotate a whole around?
How to Make a Candle Seesaw
Reviewed by Ronyes Tech
on
May 13, 2020
Rating:
Reviewed by Ronyes Tech
on
May 13, 2020
Rating:
The light teeter-totter science explore exhibits standards of pneumatic stress and ignition, where two candles on far edges of a decent stage will substitute in consuming because of the development of air brought about by the intensity of the flares.
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How to Make a Candle Seesaw is a delightful and educational guide that brings science and creativity together in a fun, hands-on project. The instructions are clear and easy to follow, making it accessible for both kids and adults who want to explore basic principles of balance and motion. This simple yet fascinating experiment demonstrates how a lit candle can act as a seesaw, offering a captivating visual and practical way to learn about physics
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