boyle's law
Storyboard Text
- I apologize for being late; I was at the doctor's office for a blood test..
- Oh! We were learning about Boyle's law, how perfect!
- What does Boyle's law have to do with bloodshots?
- According to Boyle's law, pressure and volume of gas have an inverse relationship, meaning that as pressure rises, volume decreases and vice versa.
- When a syringe's plunger is drawn out, the volume inside the barrel expands, causing the pressure inside the barrel to decrease.
- It makes sense,
- Fluids (such as water) flow from a high pressure area to a low pressure area. This means that once the pressure inside a syringe is lower than the pressure outside the syringe, a fluid near the needle (e.g., water, medicine, etc.) will flow into the syringe.
- Who discovered this law?
- Robert Boyle, a famous English chemist, discovered in 1662 that if you pushed on a gas, its volume would decrease proportionately
- So when you get a shot, pushing on the end of it injects the substance into your body.
- Oh! It makes sense now.
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