Advertisement Upgrade to remove ads


statement of what you think will happen in an investigation.


something you find out about objects, events, or living things by using your senses.

control group

a standard against which change is measured.


information from which a conclusion can be drawn or a prediction can be made.


observations that scientists base their claims or explanations on.


the use of scientific methods to test a variable


to arrange in a specific order or group by categories based on similarities.


a statement that tells what an investigation showed, based on evidence such as observations and data


an explanation based on evidence that is not directly observed.


an organized scientific study that may include making observations, asking questions, gathering information, analyzing data, summarizing results, drawing conclusions, and /or communicating results.


a term used to describe a question that can be answered through an experiment or observation.


multiple sets of measurements or observations in a scientific investigation.


a term used to describe the certainty of data or results of an investigation or experiment.


an event, condition, or factor that can be changed or controlled in order to study or test a hypothesis in a scientific experiment.

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording