Chapter 1 Science

Forming a hypothesis is an important part of the scientific process.  A hypothesis is.....

• a question that scientists form during their investigation.
• a statement of what scientists think will happened during an investigation.
• an opinion that all scientists must learn to agree with.
• a set of data that is recorded during the investigation.

After scientists define a problem, they begin their investigation with research.  Which are examples of appropriate reference materials?

• Journals, books, and scientific articles.
• Blogs, internet, and books.
• Newspapers, Wikipedia, and books
• COMIC BOOKS!

An observation is...

• a data chart that scientists analyze for results.
• a great way to form opinions about science.
• a great way for scientists to have fun!
• something you find out about objects, events or living things by using your senses.  

What do scientists do?

• Define problems
• make hypotheses and observations
• draw conclusions
• all of the above

What is the purpose of an experiment?

• To have a great amount of fun!
• To use the scientific methods to test your hypothesis. 
• To gather data and share findings.
• What is an experiment??

Scientists must identify variables.  A variable is.....

• something that can change in a test.
• objects or ideas that represent other things.
• a data set that proves your hypothesis.
• a standard against which change is measured.  

Scientists study how many variables in an investigation?

• none
• one
• two
• three

A control group is a standard against which change is measured.  

• True
• False

An inference you make based on your data analysis is a ______________.

• Variable
• control group
• hypothesis
• conclusion

A set of observations that make you believe something is true is ______________.

• evidence
• models
• surveys
• sampling