unit 2 Nature of Science

when doing and experiment or investigation, you should always have 2 or 3 independent variables

if you get hurt in the lab, what should you do?

the one factor that YOU change in an experiment is the:

What should all experiments have?

this is proof based on data and observations

the dependent (outcome) variable in the coin lab was the number of drops each coin held.

what is the best way to avoid getting chemicals in your eyes?

which statement is an inference about this picture?

this is the type of observation that involves numbers

A replica or representation to show the workings or structure of an object not easily observed.

This explains how nature works.

We gather facts and information about the natural world by making__________

which variable is the one that is measured at the end of an experiment?

this statement tells what an investigation showed and answered based on observations and data.

this part of the experiment stays the same and can be a standard.

the independent (test) variable in the coin lab was the type of coin used.

which statement is an observation of the picture.

this term in scientific research can include, drawings, objects and computer simulations.

This describes what nature does.

this picture is a ____________ of a strand of DNA.

this type of observation does NOT use numbers

a statement that you make in the beginning of an investigation that can be TESTED

running a red light is wrong because of a