Science Process Review

Science Process Review

Unit 7 Nature of Science

Multiple Select

Check the steps of the scientific method listed below. Three answers are correct.

• conclusion

• hypothesis

• observation

• throw a party

Multiple Choice

A student wanted to conduct an experiment to determine if background music affects the growth of plants. Which of the following should be used as a control group in this experiment?

• several plants that are exposed to different types of background music

• several plants that are not exposed to any background music

• rap music

• classical music

Multiple Choice

Which type of observation would include a number, such as 12 cm high or 98.6 degrees?

• qualitative

• quantitative

Open Ended

Take a look around your workspace right now and type a qualitative observation.

Multiple Choice

Which of these questions would be best answered by doing an experiment?

• Does ice float in oil?

• What is ice made of?

• Where is the most ice in nature found?

Multiple Choice

A toy company tested three models of slingshots to determine which one could fire a two-ounce wooden block the farthest. The band of each slingshot was first pulled back four inches, then six inches, and then eight inches. The distance the block traveled was recorded each time.

Which is the dependent, or responding, variable in this experiment?

• the model of the slingshot used

• the distance the band was pulled back

• the size of the wooden block

• the distance the block moved

Multiple Choice

Which of the following would be the best hypothesis for an experiment on the growth rate of roses?

• What will decrease the growth rate of roses?

• Different roses have different sized leaves.

• Roses grow the fastest when they are watered twice a day.

• What is the growth rate of roses?

Open Ended

What is a good sample size when taking a poll of eighth graders? (type a number)

Multiple Choice

A student conducted an experiment and concluded that vinegar removes stains from clothes better than water. Which piece of evidence would best support her conclusion?

• four out of five different stains were removed by vinegar when water did not remove them

• vinegar is able to dissolve certain materials

• when she tried to remove a stain from her clothes, vinegar worked

• the stains the vinegar removed were different from those that the water removed

Multiple Choice

An automobile company wants to determine which brand of tire lasts the longest. Which procedure would be the fairest way to conduct the experiment?

• Test five tires each of ten different brands of tires at the same temperature, on the same track.

• Test five tires each of ten different brands of tires at different temperatures, on the same track.

• Test ten of the same brand of tires at the same temperature, on different tracks.

• Test ten of the same brand of tires at the same temperature, on the same track.

Multiple Choice

Which of the following is true about a fair test?

• It does not give an answer.

• It does not allow anything to change.

• It does not use animals

• It is designed to test only one question

Multiple Choice

A student wants to use a model of an animal cell for a presentation in class. Animal cells are rounded and have a watery substance inside. Which of the following would be the best model she could use for the animal cell?

• a water balloon

• a toothpaste tube

• a cereal box

• a jar of jelly

Poll

Rate your understanding of the scientific method / process.

• I have a solid understanding of science process skills. These questions were pretty easy for me.

• I have a decent understanding of science process skills. A few of the questions were challenging for me.

• I understood about 50% of the questions on this activity.

• I could use more practice and help with the scientific process. Pretty much all of these questions were difficult for me.

• I didn't feel like trying these questions today.