Atom

beaker

Control

a group or individual used as a standard of comparison for checking the results of a survey or experiment.

Data

facts and statistics collected together for reference or analysis.

Energy

Fact

a piece of information used as evidence or as part of a report or news article.

graduated cylinder

a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.

hypothesis

immunology

the branch of medicine and biology concerned with immunity.

the SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour.

joule

a measure of the purity of gold, pure gold being 24 karats.

karat

a laboratory.

lab

a coherent, typically large body of matter with no definite shape.

Mass

consisting in or characterized by the absence rather than the presence of distinguishing features.

negative

a room or building housing an astronomical telescope or other scientific equipment for the study of natural phenomena.

observatory

the sciences concerned with the study of inanimate natural objects, including physics, chemistry, astronomy, and related subjects.

physical science