Unit 1 Review

John decided to conduct an experiment to see if plants do in fact need sunlight to grow. He bought 2 tomato plants, 2 pots, and a bag of soil. He planted each tomato plant in the same pot and the same soil. He put one tomato plant in the windowsill (direct sunlight) and the other one in a closet. He measured the growth every week. What was the control in this experiment.

• Growth of the Tomato Plant

• The soil

• The tomato plant in the windowsill

• The tomato plan in the closet

Thomas wants to know if studying 10 minutes more a day will increase his Science Test Score. What is the independent variable?

• Science Test Score

• Studying Time

• No Independent Variable

A student wants to test if different colored lights can have an effect on plant growth. Which of the following designs would be the best way to set up their experiment?

• Buy 3 different plants, soil, and pots. Plant the plants into the pots and soil (which are kept the same) and place them under different colored lights. Measure the plant growth every week.

• Buy 3 different pots, 2 different types of soil, and the same plants. Plant the plants and place them under the different colored lights. Measure the plant growth every week.

• Buy 3 different lights, the same plants, the same pots, and the same soil. Plants the plants and place them under the different colored lights. Measure the plant growth every week.

Jane is conducting a controlled experiment. She has come up with a question to test. Following the steps of the scientific method, what should Jane do next?

• Data

• Hypothesis

• Conclusion

• Communication

Which of the following would be considered a reliable source for a scientific investigation.

• Wikipedia

• Science Blog

• Scientific Journal

• Article with no author

Jane is not sure if her data is accurate. What should she do next?

• Replicate the Experiment

• Just Get Over It

• Make up a Different Conclusion

• Just change the Data

What is it called when SOMEONE else tried your experiment to check the accuracy of the results.

• Doing it Again

• Replication

• Repetition

Which of the following types of scientific investigation should be used to study an active volcano?

• Field Study

• Systematic Observation

• Model

• Controlled Experiment

What type of scientist would study rocks?

• Geologist

• Meterologist

• Astronomer

• Biologist

John and Jane are conducting an experiment to see what paper towel brand is most absorbent. After conducting the experiment they determine that their results are very different. What should they do?

• They should average their results together

• They should argue with each other until someone wins

• They should ignore the difference

• They should discuss their results and try to figure out why the results are so different