it depends what they put in your body ask the doctor if u wanna know what they do to you
If you have floated a needle on the surface of the water in a glass then adding a little detergent will cause the needle to sink. This is because the presence of the detergent changes the surface tension of the water so that it can no longer support the needle.
A needle placed in water will float due to surface tension. The surface tension of water allows the needle to be supported on the surface rather than sink.
the compass's needle will point at the electromagnet
Rubbing a needle back and forth on a magnet would align the magnetic domains within the needle, causing it to become magnetized. The needle would then exhibit magnetic properties and attract items such as paper clips or iron filings.
The compass needle will be unaffected by the presence of the aluminium bar as it is not magnetic. Aluminium is not a magnetic material, so it will not interfere with the function of the compass needle.
it will rest in the north - south direction
he inserted a long needle into his eye and scraped it around to see what would happen!
Putting a needle in a waterbug will likely injure or kill the bug. Waterbugs, like other insects, have soft exoskeletons that can easily be punctured by sharp objects. It is not ethical or recommended to harm insects intentionally.
When a small compass is placed in a magnetic field, the needle of the compass will align itself with the direction of the magnetic field. This is because the needle is magnetized and responds to the magnetic forces in the surrounding area.
A hypotonic needle is a needle that is a non coring needle. A hypertonic needle is a coring needle. Both of these needles are used in IV's with a hypotonic needle used for hypotonic solutions.
Your Keurig may be running slow due to a clog in the machine's water line or needle. This can happen if there is a buildup of mineral deposits or coffee grounds. Try descaling the machine and cleaning the needle to improve its performance.
The compass needle would be affected by the magnetic field from the nearby magnet. The needle would align itself with the magnetic field of the magnet, causing the compass to point in a direction different from true north.