States of Matter
What are the three main states of matter?
Solid, liquid, and gas.
What is the smallest unit of matter?
An atom
What property of matter describes how much space it takes up?
Volume
What is it called when matter changes from solid to liquid?
Melting
What state of matter is glass considered to be?
An amorphous solid.
Which state of matter has a definite shape and volume?
Solid.
What is the center of an atom called?
The nucleus
What property of matter describes how much mass it has in a given volume?
Density
What is the name of the process when gas changes to liquid?
Condensation
What is the most abundant element in the universe?
Hydrogen
Which state of matter flows to take the shape of its container but has a fixed volume?
Liquid.
What particles are responsible for the mass of an atom?
Protons and neutrons.
What property describes how much matter an object contains?
Mass
What type of change involves a change in shape, size, or state but not the substance itself?
Physical change
What is the heaviest naturally occurring element?
Uranium
What is the process called when a liquid changes into a solid?
Freezing
What term describes two or more atoms bonded together?
A molecule.
What property describes the ability of a material to return to its original shape after being stretched or compressed?
Elasticity
What is the process where a liquid changes to a gas at the surface of the liquid?
Evaporation
What type of matter has properties of both solids and liquids?
Non-Newtonian fluids.
What is the state of matter where particles move the fastest and are far apart?
Gas
What is the term for the negatively charged particles orbiting the nucleus?
Electrons
What term refers to the ability of matter to conduct electricity?
Electrical conductivity.
What is the name of the principle that states that mass is not created or destroyed in a physical or chemical change?
The Law of Conservation of Mass.
What’s the name of the smallest particle that makes up protons and neutrons?
Quarks