Unit 1
Neutrons
What is a subatomic particle of about the same mass as a proton but without an electric charge?
Chemical formula
What is a representation of a substance in which the subscripts are represented by their chemical symbols?
Force
What is a push or a pull that causes an object to move, stop, or change direction?
Low pressure
What is warm air masses that become less dense and rise?
Malleable
What is the way most metals can be hammered or rolled into sheets?
Subscripts
What is a letter or pair of letters that represent the element in the formula?
Net force
What is the overall forces acting on an object, measured in Newtons (N)?
High pressure
What is cool air masses that become more dense and sink?
Brittle
What is the tendency of a material to fracture under a small force?
Elements
What is each of more than one hundred substances that cannot be chemically inter-converted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number?
Unbalanced force
What is causes an object to change position, speed, or direction?
Wind
What is the pressure difference between high pressure areas and low pressure surrounding it?
Luster
What is the way a metal's surface reflects light?
Chemical symbol
What is the number of atoms of the element to the left of the subscript?
Inetria
What is the tendency to do nothing or remain unchanged?
Convection currents
What is a current in a fluid that results from convection?