GRADE 8 CHAPTER TEST PART 1

What is an observation?

• Something you measure or detect with your senses.

• The way you feel about something

• An educated guess

• A theory that has been disproved

A scientific observation is:

• Based on facts

• based on your personal beliefs

• Based on opinions

• Based on a rumor you heard in the bathroom

What is the scientific method?

• A systematic procedure for how to conduct a scientific experiment

• The process of solving a problem

• A way of making non-scientific observations

• A way to summarize findings from multiple investigations

Which of the following is NOT a testable question?

• How do rockets work?

• Does fertilizer help plants grow bigger?

• Does heart rate increase with exercise?

• Does the freezing point of water change at different elevations?

What is a hypothesis?

• An educated prediction or answer to a testable question

• A random guess

• An observation based on feelings or emotions

• 

What is the best way to collect and record data?

• In a data table

• On post-it notes

• On scrap paper

• interpretive dance

After the data is analyzed the hypothesis is stated as correct or incorrect in the __________

• conclusion

• experiment

• hypothesis

• table of contents

An educated guess in science is called a/an

• hypothesis

• procedure

• conclusion

• lucky

Which best describes the act of using senses or tools to gather information?

• creating a hypothesis

• making an observation

• summarizing the results

• recording the measurements

In an investigation that uses the scientific method, which step immediately follows making a hypothesis?

• test your hypothesis

• summarizing the results

• making observations

• asking a question