States of Matter Answers

Which correctly lists the types of matter, in terms of their atoms, in order from least tightly packed to most tightly packed?

Gerry is looking at salt under a powerful microscope and notices a crystalline structure. What can be known about the salt sample that Gerry is looking at?

Density involves the amount of a material in a certain volume. When a material changes phases, it changes in density in a predictable way as the amount of material stays the same but the molecules get farther apart or closer together. Water has solid and liquid states that do not follow these predictions of density in the phases of matter.

An analogy makes a comparison between objects based on their similar qualities. Cassidy wanted to create an analogy for the motion of atoms in solids, liquids, and gases, so she compared them to marbles in a tray.

Which statement best describes the atoms in a gas?

Which statement best describes the atoms in a solid?

Which liquid is the most viscous?

Density describes how much mass is contained in a certain volume. Knowing how far apart molecules are in each state, which best ranks solids, liquids, and gasses from least dense to most dense?

Carmen has a sample of matter. It is clear and smells sour. The sample is also thick but it flows when poured.Which is the best conclusion about Carmen’s sample?

Mercury’s natural state is where the atoms are close to each other but are still free to pass by each other. In which state(s) could mercury naturally exist?