use of one of the senses (hearing, sight, touch, etc.) or measurement to gather information.

proposed explanation for a phenomenon (an educated guess).

the variable that is changed or controlled in a scientific experiment

what you measure in the experiment and what is affected during the experiment.

a sample that remains the same throughout the experiment.

in a scientific experiment is a group separated from the rest of the experiment, where the independent variable being tested cannot influence the results.

What is the name of Ms. Lehmans dogs

What does Ms. Lehman drink every morning

Who is this?

What kind of tongs are these?

What is this called?

Name this tool?