__________ is an organized way of gathering and analyzing evidence about the natural world.

• Science

• Control

• Scientific Method

• Explinations

Scientific investigations begin with ____________, the act of noticing and describing events or processes in a careful, orderly way.

• Science

• Scientific Method

• Observation

• Scientists

A _______________ is a logical interpretation based on what scientists already know.

• Hypothesis

• Question

• Scientists

• Inference

A _________________ is a scientific explanation for a set of observation that can be tested in ways that support or reject it.

• Inference

• Question

• Hypothesis

• Control

Whenever possible, a hypothesis should be tested by an experiment in which only one variable is changed. All other variables should be kept unchanged, or controlled. This is called a ___________________.

• Inference

• Controlled Experiment

• Dependent variable

• Independent variable

The variable that is deliberately changed is called the ________________, also called the manipulated variable.

• Independent variable

• Dependent Variable

• Control

• Experiment variable

The variable that is observed and that changes in response to the independent variable is called the ___________________, also called responding variable.

• Result

• Independent Variable

• Dependent Variable

• Control

The _____________ is exposed to the same conditions as the experimental group except for one independent variable.

• Control Group

• Dependent Variable

• Independent Variable

• Hypothesis

____________________ are numbers obtained by counting or measuring.

• Quantitative data

• Qualitative data

• Analyzing data

Scientists make detailed records of experimental observations, gathering information called __________.

• Control

• Data

• Expirement