Floating a needle on water, Science

Assignment Help:

Floating a needle on water

Thoroughly dry a steel needle. Place it on the tines of a dinner fork and gently smash the surface of the water in a dish with the fork. If you are careful the needle will float as you take the fork away. Look at the water surface closely. Can you see how the surface film seems to curve under the weight of the needle ?

 

 


Related Discussions:- Floating a needle on water

Applications of optical fibres, Applications of Optical Fibres: Fibre...

Applications of Optical Fibres: Fibre optics finds many applications in areas like medicine and communications which we will briefly describe. We will also discuss  its advht

Tuning in on the stars, Tuning in on the Stars: The fact that stars e...

Tuning in on the Stars: The fact that stars emit radiowaves was discovered accidentally in  1932  by  a young engineer Karl Jansky. He was trying to find the source of  noise

Electric current and electrical energy, how do the currents produced by a 1...

how do the currents produced by a 1.5V flashlight cell and a 12 V car battery compare if the resistance is the same?

Solutions, ht are the examples oof a solution and its characteristics?

ht are the examples oof a solution and its characteristics?

Explain relationship of vitamins and mineral with physiology, Explain Relat...

Explain Relationship of Vitamins and Mineral with physiology They play a major role in the body's functioning. Vitamin A is necessary for night vision in the eyes. Vitamin B co

Define hyposecretion of insulin, Define Hyposecretion of Insulin You ma...

Define Hyposecretion of Insulin You may already be aware that an insufficiency of insulin in the body leads to the development of diabetes mellitus. It is caused by the degener

Explain the nuclei or ganglia, Explain the Nuclei or Ganglia Deep withi...

Explain the Nuclei or Ganglia Deep within the cerebral hemispheres are groups of nerve cells called nuclei or ganglia which act as relay stations, where impulses are passed fro

Code of practice in a laboratory, Code of Practice in a Laboratory The ...

Code of Practice in a Laboratory The following is a set of rules you should follow while working in a laboratory: 1. Always wear the required protective clothing. 2. Make

Heat transfer, what are the condition necessary for heat transfer to occur?...

what are the condition necessary for heat transfer to occur?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd