What is the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
Gravity
100
What is the basic unit of a chemical element.
Atom
100
What is the quality of being hot; high temperature.
Heat
100
What is an airlike fluid substance which expands freely to fill any space available, irrespective of its quantity.
Gas
100
What is a variable (often denoted by y ) whose value depends on that of another.
Dependent Variable
200
What is the strength or energy as an attribute of physical action or movement.
Force
200
What is a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
Electron
200
What is the strength and vitality required for sustained physical or mental activity.
Energy
200
What is an object is a measure of the number of atoms in it.
Mass
200
What is a variable (often denoted by x ) whose variation does not depend on that of another.
Independent variable
300
What is the resistance that one surface or object encounters when moving over another.
Friction
300
What is a substance consisting of atoms which all have the same number of protons
Element
300
What is energy that a body possesses by virtue of being in motion.
Kinetic energy
300
What is physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
Matter
300
What is A test under controlled conditions that is made to demonstrate a known truth, to examine the validity of a hypothesis, or to determine the efficacy of something previously untried.
Experiment
400
What is the opposite of a crest, so the minimum or lowest point in a cycle.
Trough
400
What contains the same number of protons as electrons.
Neutrals
400
What is the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.
Potential energy
400
What is a substance that flows freely but is of constant volume, having a consistency like that of water or oil.
Liquid
400
What is a quest to find the answer to a question using the scientific method.
Investigation
500
What is a measure of movement.
Speed
500
What is a subatomic particle found in the nucleus of every atom except that of simple hydrogen.
Neutron
500
What is the process of turning from liquid into vapor.
Evaporation
500
What is firm and stable in shape; not liquid or fluid.
Soild
500
What is a method of procedure that has characterized natural science consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypothesis