Practical skills 1

This variable in an experiment is the one being changed by the scientist.

• Dependent variable

• Independent variable

• Data

• Control group

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.
• I don't know.

The name of the information that you get from your experiment (you organize it into charts and graphs).

• Observations

  conclusion

• Data

• Variables

• Hypothesis

Dependent variable means

• The scientist controls what to test

• Educated guess

• Ask a question

• What is being measured

What type of graph/chart is this?

• Bar Graph
• Line Graph
• Pie Chart
• Infographic 

Tags

NGSS.MS-PS3-1

What type of graph/chart is this?

• Bar Graph

• Line Graph

• Pie Chart

• Infographic

You are heating a substance in a test tube. Always point the open end of the tube...

• Toward yourself.

• Toward your lab partner(s).

• Toward another classmate.

• Away from all people.

You are heating a piece of glass and now want to pick it up. You should...

• Use a rag or paper towels.

• Pick up the end that looks cooler.

• Use tongs.

• Pour cold water on it.

TRUE OR FALSE? Return all unused chemicals to their original containers.

• True

• False

Which of the following is safe laboratory procedure?

• Taste unknown chemicals.
• Wear safety goggles when instructed to do so.
• Continue an experiment when you are unsure of the procedure.
• Mix all chemicals at the lab