Category Archives: experimental design

Scientific Method Worksheet

Scientific Method Worksheet

Why is teaching the scientific method so challenging?  Using these scientific method worksheets in sequence will help improve your students understanding.

Why does the sequence matter?

Scientific Method Worksheet

Teaching the scientific method offers several challenges. Using our sequence of scientific method worksheets and other scientific method practice activities your students will deepen their understanding of the scientific method.

Vocabulary is always a struggle for students especially if it is their first exposure to the terms. To help your students best, identify their misconceptions.

Terms like independent variable, dependent variable, control, constant, hypothesis and  prediction are terms that are improperly used in everyday language.

How can you fix it?

Identifying your students misconceptions is the first step to help your students be successful in experimental design and implementation.  Every class of students could have different misconceptions to address. To fix it, read on.

How to identify misconceptions?

One strategy you can use to identify student misconceptions is to simply ask them to define the terms in their own words. To do this use one of my favorite strategy that many of my followers are already using. Click here to subscribe.

Use a beach ball(see related post).  Write the vocabulary terms on the beach ball using a dry erase marker and toss it around the room.

When the student’s left thumb lands on a term ask them to say what they think the definition of the term is.

Toss the beach ball around the room until you have a good understanding of their background knowledge and misconceptions of the scientific method vocabulary. Use this same technique after students have learned the words. It offers great repetition and can fill the last few minutes of class if you finish early.

Scientific Method-Inquiry

In addition, you can allow students to dive right in to designing an experiment using our Paper Folding Scientific Method Worksheet.

The Paper folding scientific method worksheet is the first in our sequence because it is scientific inquiry and will allow you to see a wide range of your student’s ability levels and misconceptions on the first day of class.
Paper Folding Scientific Method Worksheet

After understanding and addressing your student’s misconceptions of the scientific method you can present the  proper terminology to the students.

You can use our Experimental Design Notes. This presentation is part of our Scientific Method Unit  (experimental design) that you can access free.

The second scientific method worksheet in our sequence allows students to practice only independent and dependent variables in a variety of scenarios.

Independent variable and dependent variable worksheet

Why does this matter?

Focusing only independent and dependent variable this Independent and dependent variable worksheet allows students the opportunity to truly understand the terms and apply them to scenarios without being overwhelmed by other vocabulary terms.



The next scientific method worksheet requires students to analyze entire experiments in the Experimental Design Scenarios Worksheet.

In this sequence your students started off  simple and progressively move to more complex tasks.

It Gets Better!

Next, students design there own experiment using mealworms. Using the scientific method students make observations,  research, develop a question, hypothesis, identify variables,  write procedures, carry out an investigation, collect and analyze data and share their results in a formal, typed lab report using our awesome lab report rubric and template that is included in our free scientific method unit!

Get access to our entire scientific method unit and more <click here>

Simple right?

Unfortunately many teachers fail to use this simple approach because they just to do not have them time to sit down and create or find all of the worksheets they need.

We have them done for you! 

And a lot more! 

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scientific method lesson plans

Hypothesis Practice- Get your Students to Practice Hypothesis Writing

Hypothesis Practice

This week my students practiced writing a hypothesis. To practice writing a hypothesis have  your students complete this engaging activity that gives the them a chance to practice their hypothesis writing.  This activity requires a 2 liter bottle, water and tape (masking or painting). Prepare the bottle by drilling three holes vertically in a straight line  about and inch apart. The holes should be  slightly smaller than a pencil eraser. I have used scissors and twisted them until the a hole was made but a drill is much easier if you have it.  Once the holes are drilled place some tape over the holes and fill it with water.

3 hole bottle









Your bottle is now ready for the class.  Prior to getting started  with the hypothesis practice have the students create a chart that looks like the one below making sure they save room to write inside the chart. If students are using an interactive notebook have them place this chart on the right side.








On the left side of the their interactive notebook students will record their initial observations and their sketch. When students are done  with the entire activity it will look like this.

Student digital example








To begin this activity, walk around the room to each student so they can closely observe the bottle and record their observations. This is where  you can emphasize details in their observation records. After walking around ask the class for a volunteer who isn’t afraid of water. Bring the student to the front of the class and sit them in a desk and give them a paper towel to put on top of their head (optional).  The only purpose for involving a student is for dramatic effect and student engagement and it works very well! They shouldn’t actually get more than a drop or two of water on them if all goes well.  While holding the bottle over the volunteers head ask the class to record their hypothesis about what will happen when the tape is pulled past the first hole. Ask students to write the hypothesis as an “if-then” statement. Have the students share their hypothesis with the class. Next, pull the tape past the first hole while holding it over your volunteers head. If everything is done correctly, no water will come out of the first hole. Students record their observations and record why they think it happened the way it did or any questions they may have.  Move on and repeat this for the next two holes. Have the students make a hypothesis before each  a new hole is exposed. Water will come out of the next two holes so I strategically have a trash can to catch the water and avoid getting it on the volunteer. Though this activity is simple, students love it.

I overheard one of my IEP students talking to the Coteacher and he said: “This is actually pretty fun!”

Try it out. Comment below on how it goes!


Independent and Dependent Variable Worksheet

Independent and Dependent Variable Worksheet

Many students struggle when learning about the independent and dependent variable. When teaching them the independent and dependent variable I try to simplify the two terms to be as simple as possible but still allow students to apply the definitions to an actual scientific experiment or scenario.

The independent variable can be defined as the variable that is manipulated. It is what the experimenter is adding to the experimental group. To simplify the independent variable for students I use the single word (changed) for the definition.

The dependent variable can be defined as the responding variable. The depend variable  can be simplified for students by mentioning that the dependent variable is the variable that is measured or counted.

To help my students get plenty of practice with this concept I have created a simple independent and dependent variable worksheet that gives them  some practice applying the independent and dependent variable to actual experiments.

This worksheet is one of many the my email subscribers regularly get delivered right to their inbox. Sign up here  to get more free worksheet and printable and so you do not miss out.









IV and DV Scenarios-PDF

Introduction to Experimental Design

Experimental Design Activity

As the first days of school near, I wanted to share one of my favorite activities that ease students into the scientific method and experimental design. This activity is a guided inquiry paper folding activity that will help student get the cobwebs out of their brains.

There is a common myth that you cannot fold a paper more than seven times. This activity allow students to conduct an investigation to explore this claim.

In the activity students will explore the following vocabulary:

  • prediction
  • independent variable
  • dependent variable
  • bias
  • property
  • standard notation
  • scientific notation
  • hypothesis

Throughout this activity the students explore the scientific method and design an experiment that answers the question: How many time can you fold a piece of 8 1/2in x 11in computer paper? This experimental design activity is a quick hitter that allows you to assess your students abilities and begin to establish lab procedures.

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At the end of the activity student will watch a four minute video from the Mythbusters that will likely change their conclusions.

Paper folding experimental design activity worksheet.

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Click here for the video that goes with this lesson.