Scientific Investigations

What is the Aim of an experiment?

• A statement that describes what the investigation is trying to find out

• A statement that tells you the results of the experiment

• A statement showing how you did the experiment

• A statement describing your observations throughout the experiment

What is a Variable?

• Variations within the experiment

• The repeating of the experiment by classmates

• Anything that can change during an experiment

• Something that must be keep the same during an experiment

The independent variable

• Changes due to other factors

• The change that you are making on purpose

• Is an individual step of the experiment

• Can be different when repeating the same experiment

Tags

NGSS.MS-PS2-2

The dependant variable

• Is the thing you measure

• Depends on the people/place doing the experiment

• Must not change during the experiment

• Is the thing you change on purpose

How are EXPERIMENTAL and OBSERVATIONAL investigations similar?

• They both require a question that can be researched, a hypothesis and procedures.

• They both require a question that can be researched, procedures and a conclusion

• They both require a hypothesis, and procedures.

Tags

NGSS.MS-PS2-2

How are EXPERIMENTAL and COMPARATIVE investigations different?

• * EXPERIMENTAL requires control / control group.

  * COMPARATIVE does not require control / control group.

• * EXPERIMENTAL requires variables .

  * COMPARATIVE does not require variables.

Which of the following reasons best explains why Pierre's scientific investigation is not an experiment?

Tags

NGSS.MS-PS2-2

Observations or measurements recorded in an investigation are known as?

• data

• precipitation

• temperature

Observations or measurements recorded in an investigation is ______________.

• variation

• data

• adaptive

Tags

NGSS.MS-PS1-2

Natalie is using .1 three-dimensional representation to study the parts of the human heart. Isaiah is working in a laboratory to test the hypothesis that plants grow taller in green light than in white light. Which of the following best compares their activities?

• Natalie is conducting a scientific investigation, and Isaiah is not.

• Natalie is not conducting a scientific investigation, and Isaiah is.

• Natalie is conducting an experiment, and Isaiah is conducting a field study.

• Natalie is investigating a scientific model, and Isaiah is conducting

  an experiment.