A student describes the motion of particles in each of the four different states of matter. State 1: Particles that are charged move freely State 2: Particles move freely at high speed State 3: Particles are locked in place State 4: Particles slide past one another Which state describes plasma? Group of answer choices State 1 State 2 State 3 State 4

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Avariable that is not being directly tested during an experiment should be

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury