a vehicle's capacity to gain speed within a short time.
What is acceleration?
100
the basic unit of a chemical element.
What is atom?
100
either of two units of heat energy.
What is calorie?
100
an airlike fluid substance which expands freely to fill any space available, irrespective of its quantity.
What is gas?
100
a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
What is experiment?
200
in fluid dynamics, drag
What is air resistance?
200
a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
What is electron?
200
the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
What is conduction?
200
a substance that flows freely but is of constant volume, having a consistency like that of water or oil.
What is liquid?
200
the action of investigating something or someone; formal or systematic examination or research.
What is investigation?
300
the maximum extent of a vibration or oscillation, measured from the position of equilibrium.
What is amplitude?
300
a part or aspect of something abstract, especially one that is essential or characteristic.
What is element?
300
the property that must be transferred to an object in order to perform work on – or to heat – the object, and can be converted in form, but not created or destroyed
What is energy?
300
the natural agent that stimulates sight and makes things visible
What is light?
300
a set of principles or procedures according to which something is done; an organized scheme or method
What is system?
400
a comb or tuft of feathers, fur, or skin on the head of a bird or other animal.
What is crest?
400
a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
What is neutron?
400
the result of the movement of tiny particles called atoms molecules or ions in solids, liquids and gases
What is heat?
400
a coherent, typically large body of matter with no definite shape.
What is mass?
400
a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses
What is scientific method?
500
strength or energy as an attribute of physical action or movement.
What is force?
500
a subatomic particle found in the nucleus of every atom.
What is proton?
500
the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.
What is radiation?
500
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.
What is matter?
500
not consistent or having a fixed pattern; liable to change.