scientific method

scientific method

Multiple Choice

Gabriel asks a question: How fast does the average person's hair grow? Which step of the scientific method did he just complete?

• Step 1-ask a question

• Step 2 - gather background information

• Step 3 - make a hypothesis

• Step 4 - do an experiment

Multiple Choice

Examine the image in the section "What are The Steps in the Scientific Method?" Based on the article, what does the step called "Analysis" represent?

• reporting the results of an experiment

• studying the results of an experiment

• stating an idea based on a question

• thinking about the world to ask a question

Multiple Choice

Which of the following are true about a hypothesis?

1. A hypothesis is a guess based on facts.
2. A hypothesis is a question about a problem.
3. A hypothesis can be tested.
4. A hypothesis is an experiement.

• 1 and 2

• 2 and 3

• 1 and 3

• 3 and 4

Multiple Choice

Examine the image in the section "Step 4: Design and Perform an Experiment" and read the paragraph from the section below.

Experiments must also be repeatable. We must write down our procedure and follow it carefully. The way someone else can carry out the same experiment and see if they get the same results.

How does the image support the information the paragraph above?

• by showing a scientist carefully following a procedure.

• by showing a scientific forming a question about a problem.

• by showing a scientist explaining her results.

• by showing a scientists writing down a procedure.

Multiple Choice

Read the section "Step 4: Design and Perform an Experiment"

Which best describes a variable?

• A controlled observation

• a description of an experiment

• the results of a scientist's hypothesis

• something that changes during an experiment

Multiple Choice

The article is organized using sequential order.

• to show the reader what steps can change in the scientific method

• to help the reader understand problems with the scientific method

• to show the reader why the scientific method is important

• to help the reader understand the steps in the scientific method

Multiple Choice

Jorge wants to know what kind of bird food attracts the most birds in his backyard. He makes a hypothesis and then sets up four feeders in his yard. He fills each one with a different type of bird seed. What should he do now?

• observe the feeders and count how many birds visit each one

• choose a type of bird seed to change in one of the feeders

• create a graph showing how much birdseed was taken from each feeder

• tell other scientists what happened with his experiment

Multiple Choice

How effective is the introduction (paragraphs 1-2) at beginning the topic of the scientific method?

• Effective; it describes the kinds of problems the scientific method can solve.

• Effective; it explains that the scientific method can be used to solve a problem.

• Not effective; it does not describe the effects of the scientific method on our ideas about the world.

• Not effective; it does not explain what might cause someone to use the scientific method.