Compare and contrast the three states of matter liquid, solid, and gas.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?