Repetition

Repetition and Replication both involve doing

• weird experiments

• different experiments

• the same experiment

• Rick rolling

Nicki Minaj goes to Silver River each week for 4 weeks and collects 5 samples of water to test the pH. What is this an example of?

• Repetition

• Replication

• Cleopatra

A scientist does THEIR OWN experiment over 3 times to check their results.

• Repetition

• Replication

Joshua goes to Silver River each week for 4 weeks and collects 5 samples of water to test the pH.

• Replication

• Repetition

Alyssa has taught her pet rat to run a maze. She thinks that the rat will go faster if she puts its favorite treat at the end. She has the rat 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 rat to get to the reward.

• Repetition

• Replication

Walter 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.

• Replication

• Repetition

A local ecologist measures the temperature of a nearby lake each day at noon for 1 month.

• Repetition

• Replication

In scientific experiments, what is the purpose of repetition?

• To increase the sample size

• To ensure accuracy and reliability

• To introduce new variables

• To reduce the cost of the experiment

Which of the following is an example of repetition in a scientific study?

• Conducting a survey with different questions

• Repeating the same measurement multiple times

• Using different methods to test a hypothesis

• Changing the experimental conditions

Why is repetition important in scientific experiments?

• It helps in discovering new theories

• It allows for the verification of results

• It reduces the time needed for experiments

• It increases the complexity of the experiment