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- 1. Multiple Choice
SC.7.N.1.2
Scientists frequently repeat the experiments of others scientists. Why is this important in science?
a. Scientists often ask each other for help in performing experiments.
b. Replication of experiments helps to confirm and verify results.
c. Scientists frequently perform other scientists’ experiments in order to practice their technique.
d. Repeating experiments is an effective way to make sure a laboratory is in optimal condition.
a
b
c
d
- 2. Multiple Choice
SC.7.N.1.2
Cara read an article on why repetition and replication are so important, but she did not understand the difference between them. Which of the following best explains the two terms?
a. Repetition is when a scientist repeats an experiment; replication is when a scientist conducts an experiment on genetic material.
b. Repetition is when a scientist does the same experiment a number of times; replication is when other scientists reproduce a scientist’s experiment.
c. Repetition is when a scientist publishes in more than one scientific periodical; replication is when another scientist reproduces another scientist’s results.
d. Repetition is when a scientist commits an error in an experiment the first time and must repeat it; replication is when a scientist repeats an experiment to make sure it is valid.
a
b
c
d
- 3. Multiple Choice
SC.6.N.1.2
Experiments are often repeated many times by the same or different scientists. What is the most important reason more than one scientist should conduct an investigation using the same methods?
a. If the results are the same, replication of the investigation helps to confirm the results.
b. The competition makes the scientists work more carefully.
c. More than one scientist is interested in the problem.
d. Different scientists might perform the experiment differently.
a
b
c
d
- 4. Multiple Choice
SC.6.N.1.4
Ty and Crystal are working together to learn about surface tension. They each add pennies to their own cup of water to see how many they can add before the cup overflows. Ty is able to add 15 pennies. Crystal is able to add 38. What should their next step be?
a. They should discuss differences in their methods.
b. They should each claim that their answer is right.
c. They should record their results and move on to a different investigation.
d. They should repeat the experiment using different pennies.
a
b
c
d
- 5. Multiple Choice
What is the BEST reason you always repeat an experiment?
Make sure your data is consistent and accurate
Make sure your data supports your prediction
Make sure your experiment is easy to do
Make sure your experiment has lots of data
- 6. Multiple Choice
When doing an experiment Mrs. Blackman says you should always take careful notes. You were sick and tired of Mrs. Blackman telling you what to do so you didn't take careful notes. In the end Mrs. Blackman is always right and your experiment was a disaster. What do you think went wrong with your experiment since you didn't take careful notes?
Mrs. Blackman gave you a bad grade
You have to take detailed notes so that your experiment can be repeated
Detailed notes let others know that you did an experiment
Detailed notes are important so that you can change data
- 7. Multiple Choice
What is the best way to make sure your data is accurate in an experiment?
Do research
Do your experiment multiple times
Make a prediction
Form a conclusion
- 8. Multiple Choice
Replication is when one scientist
copies another scientist's experiment.
laughs at another scientist's experiment.
repeats their own experiment several times.
clones another scientist.
- 9. Multiple Choice
Repetition is when one scientist
copies another scientist's experiment.
bumps into another scientists.
repeats their own experiment several times.
clones a T. rex.
- 10. Multiple Choice
Scientists repeat scientific studies to validate results
True
False
- 11. Multiple Choice
What happens if the results of a scientist's experiment are NOT similar to the results gathered by other scientists doing the same experiment at a later date?
The results of the experiment are changed by the scientists.
The results of the experiment are published in scientific journals.
The results of the experiment are questioned by the other scientists.
The results of the experiment are accepted by the scientific community.
- 12. Multiple Choice
Which statement is necessary in order for a scientific investigation to be valid?
The investigation must be able to be repeated by others.
The investigation must produce data that can be graphed.
The investigation must follow all the steps of the scientific method.
The investigation must have a conclusion that matches the prediction.
- 13. Multiple ChoiceAnthony was given a set of 5 metal cubes. He calculated the densities of each to determine the type of metal in each. The densities were really close to each other, so he asked his friend Robert to do the same experiment and see if he gets the same results.repetitionreplication
- 14. Multiple ChoiceRyan is testing golf balls. He drops three different brands of balls from 40 cm and measures how high they bounce. He drops each ball 10 times.repetitionreplication
- 15. Multiple Choice
Daniel and Alex are both scientists. Daniel conducts an experiment testing different fuel sources for cars in the future. Daniel conducts each test three times in order to compare his data. After he finishes the trials, Daniel showed Alex his results from each trial. Alex is confused about Daniel’s results, so he decides to conduct the experiment for himself. Which scientific process did each scientist use?
Alex and Daniel used each others data to compare their results.
Alex and Daniel used the same hypothesis to compare their results.
Daniel used repetition in his experiment while Alex replicated Daniel's experiment
Daniel used replication in his experiment while Alex used repetition to conduct Daniel's experiment.
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