Unit 1: Scientific Method, Lab Safety, & Parts of an Experiment

Which of the following is NOT a step in the scientific method?

• Make an observation

• Collect Data

• Form a Theory

• Form a Hypothesis

What are the parts of an experiment that can be changed?

• Variables

• Data

• Steps

• Hypothesis

In a proper experiment, how many variables can be changes at a time?

• One

• Two or more

• None

• How ever many make sense to the experiment.

This group does NOT get the change to the independent variable. This is the group that is not actually experimented on and is used as a comparison to "normal."

• Experimental Group

• Data

• Control Group

• Variable

This variable in an experiment is the one being deliberately changes by the scientist. Think of it as the cause of change in the experiment.

• Dependent Variable

• Control/Constant

• Independent Variable

• Hypothesis

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant is in the same type of pot and has the same amount of soil and sunlight. What is the independent variable?

• The type of plant

• The type of liquid the plant gets

• The amount of sunlight the plan receives

• The type of pot the plant is in

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant is in the same type of pot and has the same amount of soil and sunlight. What is the dependent variable?

• The growth of the plant

• The amount of sunlight the plant receives

• The type of plant

• The type of liquid the plant receives

What is the general order of the steps of the Scientific Method?

• question, analyze, research, hypothesis, experiment, conclusion

• question, research, hypothesis, experiment, analyze, conclusion, communicate results

• hypothesis, experiment, conclusion, analyze, communicate results

• question, experiment, hypothesis, conclusion, analyze, communicate results

After completing an experiment, all wastes should be ...

• Taken home

• Disposed of according to your teacher's directions

• Tossed in the trashcan

• Left on your station for the next group

Which of the following activities is permitted in the lab?

• Throwing materials to your partner

• Cleaning up broken materials

• Running to get the fire extinguisher

• None of the above