Why is plasma called the "fourth state of matter"? I've recently heard that plasma is sometimes referred to as the "fourth state of matter". Why is this? Why is it not the first, second or third?

When a particle vibrates and passes to the next vibration what happens?

When light propagates from a material with a given index of refraction into a material with a smaller index of refraction, the speed of the light A) incease B) decrease C) remain constant

The billiard ball model was the working model of the atom until thomson discovered the a. nucleus. b. proton. c. neutron. d. electron.

What momentum of a 50kilogram ice skater gliding across the ice at a speed of 5m/s?

Select the correct answer from each drop-down menu. All sound waves move at nearly the same speed through the air. High-frequency sound waves have a shorter and a higher than low-frequency sound waves. Reset Next

1: Explain how you can use Boyle's Law to determine the new volume of gas when its pressure is increased from 270 kPa to 540 kPa? The original volume of gas was 1 L. Assume the temperature and number of particles are constant.

How to use allele In a sentence

If a skater who is spinning pulls her arms in so as to reduce her rotational inertia by half, by how much will her angular momentum change? by how much will her rate of spin change?

What an object is made up of and the color of light that strikes it determine the A) apparent color of object B) transparency of the object C) opacity of the object D) translucence of the object

This chart shows characteristics of three different types of waves.