Biology Chapter 1

Front

What are the three features specific to science?

Back

1. 1. Deals with natural world.

3. 2. Scientists collect and organize information in a careful, orderly way looking for patterns and connections.

5. 3. Scientists propose explanations that can be tested by examining evidence.

Front

Quantitative data

Back

Data expressed with numbers

Front

Qualitative Data

Back

Data that is described and can't be expressed with numbers.

Front

What are the 2 ways to test a hypothesis?

Back

1. 1. Gather more data

3. 2. Perform controlled experiments

Front

Spontaneous generation

Back

This idea states that living things come from nonliving matter.

Front

Controlled experiments change ____ variables. Why?

Back

One

If you change more than one, you wouldn't be able to tell which variable is responsible.

Front

In an experiment, the variable that is changed is called the ___________.

Back

manipulated variable

or

independent variable

Front

The variable that changes in response is called ___________

Back

responding variable

or

dependent variable

Front

What were the "controlled variables" in Redi's experiment on Spontaneous Generation?

Back

jars, type of meat, location, temperature, time

Front

What are controlled variables in an experiment?

Back

They are the variables that will never change throughout the experiment.