Chem Quiz

A scientific law is a statement that describes an observable occurrence in nature that _________________.

appears to always be true

After the experiment is complete, you will need to _________ and report what happened in the experiment

compile your data

A hypothesis can be simple, or very

complex

A hypothesis can be easy to prove or take many years to _____________.

disprove

In your study of science, you have no doubt heard of several different scientific theories or laws. These are important concepts in science that help us ________________.

explain the world around us

A theory is a tested and documented explanation of a phenomenon based on an ________________

extensive amount of valid data

A scientific hypothesis must also be ___________.

falsible

A observation is the action or process of observing something or someone in order to ______________.

gain more information

Most of the scientific laws _____________

have been established for many years

The first step of the scientific method involves

identifying a problem

A theory is a tested and document explanation of a phenomenon based on an

independent variable

A hypothesis is typically made on the basics of ____________ as a starting point for an experiment or investigation.

limited evidence

A theory remains valid as long as there is _______

no evidence to dispute it

A hypothesis is a __________ for a natural event, a specific condition, or particular experience.

possible explanation

A complete hypothesis will state the purpose of the experiment, the variables used, and the ____________.

predicted outcome

A complete hypothesis will state the purpose of the experiment, the variables used, and then______________

predicted outcome

A hypothesis is an ___________ of a phenomenon.

proposed explanation

A hypothesis is a ________

proposed explanation of a phenomenon

The scientific method is the technique used for forming and testing a ________.

scientific hypothesis

The control makes it possible to test a __________ in an experiment because it remains unchanged.

single variable

Scientists may have to experiment and reformulate their hypothesis multiple times before reaching a conclusion that _______________.

supports the hypothesis

Once multiple experiments support the same hypothesis, that hypothesis becomes a

theory