Scientific Method
Variables
Vocabulary
Belief/Hypothesis/Fact/ Theory or Law
100

An educated guess

hypothesis

100

This is the varaible changed by the investigator

The independent variable.

100

What is seen during the experiment that is measured with your senses or a tool.

Observation

100

Jamie thinks that he can do more push ups at one time than Stevie.

Belief

200

A method used by scientists to answer an investigativ3e question.

Scientific method

200

This variable is recorded as data in the data table.

Dependent Variable

200

An explanation made about the observation.

Inference

200

Levi recorded the time the sun rose for 7 days in a row and observed that it was getting lighter one minute each day.

Fact

300

After a hypothesis is made, scientists usually do this...

Experiment

300

These stay the same in an investigation

Controls

300

Data that describes what is sensed by the senses, describes the quality of something. IE: The music made them feel happy.

Qualitative Data

300
It has been proven through extensive evidence that evolution occurs through natural selection, however further discovery at any time could potentially refute this.

Theory

400
Scientists do this to come to a conclusion about whether to accept or reject their hypothesis.

Analyze data

400

Jessie and James wanted to know how the color of light affects plant height. What is the independent variable in this investigation?

Color of Light

400

Data that is numerical in nature.

Quantitative Data

400

There is a mathematical equation to support how volume decreases as gas pressure increases according to the scientist Mr. Boyle.

Law

500

Usually the last steps of the scientific method.

Writing a scientific conclusion and share out data.

500

Sally and Stevie wanted to know how the type of material the ball was made of affected how high it bounced. What is the dependent variable?

How high the ball bounced

500

The most logical explanation of why something happens in science, strongly supported by multiple lines of evidence.

Scientific theory

500

Franklin, Watson and Crick discovered through experimentation and modeling that DNA is a double helix.

Fact

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