What is the friction objects experience as they move through the air.
What is air resistance.
What is the smallest basic unit of matter made of protons, neutrons, and electrons
What is an atom?
What is any characteristic of a substance you can observe without changing the identity of the substance.
What is a physical property?
What is the process by which a liquid becomes a solid?
What is freezing?
What is the force that pushes particles in an object closer together. Such as when you squeeze a stress ball.
What is compression.
What are two or more atoms bonded together?
What are molecules?
What describes an ability of a substance to form new substances, such as a log's ability to burn into ash?
What is a chemical property?
What is a process by which a liquid becomes a gas with bubbles?
What is boiling?
What is a force that opposes motion. Such as the force that makes a heavy couch hard to push on a thick carpet.
What is friction?
What is the word for a substance that contains a single type of atom?
What is an element?
What is any change you can make in a substance that does not change the substance into something else?
What is a physical change?
What is a substance that has a fixed volume and shape?
What is a solid?
What is the force an object exerts to resist being stretched or pressed? Such as when you pull on a rubber band.
What is the elastic force?
What is a substance that consists of two or more different types of atoms bonded together?
What is a compound?
What is it when a substance changes into another substance such as through burning, rusting, and tarnishing.
What is a chemical change?
What is a substance that has fixed volume but does not have a fixed shape?
What is a liquid?
What is the force created on the rope in a tug of war or on the cable of a crane lifting a heavy object.
What is tension?
What is a combination of different substances that remain the same individual substances and can be separated by physical means, such as trail mix?
What is a mixture?
What are the different forms in which matter can exist?
What are states of matter?
What is a substance that has no fixed volume or shape.
What is a gas?