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Repetition vs Replication

Total questions: 20

Worksheet time: 1hrs 16mins

Name
Class
Date
1.

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?

a)

Alex and Daniel used each others data to compare their results.

b)

Alex and Daniel used the same hypothesis to compare their results.

c)

Daniel used repetition in his experiment while Alex replicated Daniel's experiment

d)

Daniel used replication in his experiment while Alex used repetition to conduct Daniel's experiment.

2.

Brittney, an astronomer, measured the spectrum of a star. She took detailed notes about the type of equipment and method she used. She made four observations of that star on different evenings and recorded her results. She shared the information with another astronomer, Peter who followed Brittney's detailed notes and confirmed her results. Which statement below best explains the scientific process Peter used to confirm her results?

a)

Peter replicated Brittney's experiment and got the same results.

b)

Peter made multiple observations of Brittney's experiment and agreed with her results.

c)

Peter and Brittney discussed her experiment at length and Peter confirmed her results.

d)

Peter repeated Brittney's experiment using the same method but a different type of equipment.

3.

When another scientist does someone's experiment to see if the results are valid?

a)

repetition

b)

replication

c)

experimental method

d)

controlled variable

4.
Josue goes to Silver River each week for 4 weeks and collects 5 samples of water to test the pH.
a)
repetition
b)
replication
5.
An environmental group contacts Nina to get her procedures so that they can check her results.
a)
repetition
b)
replication
6.
Haylena baked chocolate chip cookies that wound up looking like muffins. She asked Lunelka to use the same directions and see if her cookies also look like muffins.
a)
repetition
b)
replication
7.
Dr. Smith has been reading about another scientist’s research in a physics journal. He plans to do these experiments himself and see if he gets the same result.
a)
repetition
b)
replication
8.

If a student has to write this on the board 100 times, they have to ____________ the sentence over and over.

a)

repeat

b)

replicate

9.

Replication is when one scientist

a)

copies another scientist's experiment.

b)

laughs at another scientist's experiment.

c)

repeats their own experiment several times.

d)

clones another scientist.

10.

Repetition is when one scientist

a)

copies another scientist's experiment.

b)

bumps into another scientists.

c)

repeats their own experiment several times.

d)

clones a T. rex.

11.

Ms. Watson has been reading about another scientist’s research in a physics journal. She plans to do these experiments herself and see if she gets the same result. This is an example of what?

a)

Repetition

b)

Replication

12.

Alisson does an experiment to see how long it takes for a teaspoon of sugar to dissolve in a cup of water. She does this three times and then asks Carpaur to copy her experiment to see if he gets similar result. What is Carpaur doing?

a)

repetition

b)

replication

13.

Mr. Bowmer conducts a study to see which period students are most late to. She does this for five days. This is an example of...

a)

repetition

b)

replication

c)

torturing students

14.

What is repetition?

a)

A copy of an experiment

b)

Conducting a new experiment

c)

Multiple trials of the your experiment

d)

Conducting your friends experiment

15.

What is replication?

a)

Multiple trials of your experiment

b)

Conducting the same experiment as someone else

c)

Conducting a new experiment

d)

Repeating an experiment.

16.

Hulk conducts an experiment to see how many times he could hop to get attention in order to get fed. He hops around 10 times. Repetition or replication?

a)

Replication

b)

Repetition

17.
When a another scientist does someone's experiment to see if the results are valid?
a)
repetition
b)
replication
c)
experimental method
d)
controlled variable
18.
Kevin was mixing a batch of glue and borax solution to make silly putty and discovered a new substance that glows in the dark. He gave Ja'nay his specific amounts of ingredients and the steps of his procedure. He asked Ja'nay to try the experiment to see if she gets the same results.
a)
repetition
b)
replication
19.
Ms. Spiers has taught Mini Bear to run a maze. She thinks that the hamster will go faster if she puts its favorite treat at the end. She has the hamster run the maze ten times with the favorite treat and ten times with a regular food pellet. She uses a stopwatch to measure how long it takes for the hamster to get to the reward.
a)
repetition
b)
replication
20.
Ryan 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.
a)
repetition
b)
replication