What is pressure what causes it Bill Nye?
When you push something, you’re using pressure. Pressure depends on two things – the power of the push and the area that’s being pushed on. A push on a small area makes more pressure than the same size push on a big area. Liquids and gases always have pressure, and they press in all directions. Think about a balloon.
What is matter Bill Nye?
Bill Nye is going through a phase – a phase of matter. Everything around us is made of stuff called matter, and all matter is made of atoms. Matter is anything that comes in three varieties, what scientists call phases. There are solids like rocks, cookies, and desks.
What causes atmospheric pressure?
Air pressure is caused by the weight of the air molecules above. This pressure causes air molecules at the Earth’s surface to be more tightly packed together than those that are high in the atmosphere.
What is the relationship between molecular motion and pressure?
The greater the molecular motion, the greater the pressure the molecules exert.
Can scientists cool matter to absolute zero Nye?
7. Can scientists cool matter to absolute zero? Explain your answer. No, there is always some energy transfer between the inside and outside of the container.
What will happens if you rub a balloon on your hair?
Rubbing the balloon onto your hair or onto the wool fabric adds electrons to the balloon and causes the balloon to become negatively charged. Your positively charged hair is attracted to the negatively charged balloon and starts to rise up to meet it.
What happens when you rub 2 balloons together?
When you rub two things together you can move the negatively charged electrons from one material to another. When you rub both balloons, both end up with negative charge. Similar charges repel so the balloons push away from each other. You can even use one balloon to push the other around!
Can scientists cool matter to absolute zero?
Nothing can be cooled to a temperature of exactly absolute zero. The temperature of an object is a measure of the average random motion energy (kinetic energy) of its atoms. This temperature is denoted by the number zero on absolute temperature scales such as Kelvin.
How does a refrigerator cool food and drinks Bill Nye?
How does a refrigerator cool food and drinks? A refrigerator removes energy from the system, which in turn, removes energy from the food.