Celsius

The offical name of the centigrade scale on which liquid water ranges between 0 and 100 degrees.

concentric

Having the same center

conclusion

A decision, judgement, or oppinion

reached by reasoning.

experiment

A trial or test to discover something unknown,

to verify a hypothesis

hypothesis

Something assumed because it seems likely

to be a true explaination.

inference

A cinclusion reaqsoned from information

already known.

investigation

A careful search; detailed or careful

examination.

phenomenon

Fact, event, or circumstance that can be observed.

data

Facts from which conclusions can be

drawn; information.

valid

Based on correct reasoning