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Every day tests are done in our area. Experiments are being conducted all the time, whether they are designed to find out whether a drug that cures cancer will work or how fast water evaporates at a certain temperature. However, what separates a simple experiment from a professional experiment is the use of the scientific method.
Easy Experiments Using The Scientific Method
A scientific method is a series of organized steps in which an experiment is conducted. The scientific method will help you plan, predict, investigate, draw conclusions, and possibly publish your results. Your experience with the scientific method will be more organized, easier to interpret, and easier to learn.
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In this guide, I will help guide you through each step using an example experience. When you break down the scientific method, you learn the importance of each step.
Our example experiment is the amount of sugar cubes that dissolve in water at different temperatures. Basically, I drop sugar cubes into a glass of water at different temperatures and see how long it takes for the sugar cube to “dissolve”.
A testable question depends on what experience you have. Every attempt is made because someone asks or is interested in something. So the whole testable question creates this burning question.
It is very important to research your topic. It helps to predict the result (hypothesis) and helps to understand the topic well.
Difference Between Making A Hypothesis And Prediction
Your research should include information about similar or similar experiences you’ve had in the past, materials you’ve used in your experiences (chemicals, tools, etc.), definitions of unfamiliar terms. Your experience etc.
Your study doesn’t need to be organized any differently. Some ways to organize your data are bullet points, charts and graphs (t-charts, spreadsheets, bar graphs, line graphs, etc.), lists of terms and their associated definitions, etc.
A hypothesis is a prediction about the outcome of an experiment based on previous research. Consider guesses an educated guess.
Your hypothesis predicts your opinion about the outcome of the experiment. If the research shows one way and your experience predicts it will go another way, that’s great. This is the purpose of the experiment. To see if your hypothesis is true or false.
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Remember that a hypothesis can be any prediction for the outcome of your experiment. Again, this should not be your hypothesis.
The independent variable is the variable that you change that makes the condition different from the normal conditions (the control).
Note that you can only change one variable per experiment. If more than one variable is different from the control, your experiment is invalid and the data can be considered inaccurate.
Your description should be written in such a way that if someone reads it, that person will have the same experience as you did.
Steps Of The Scientific Method
What you have to do at this stage is to perform the experiment as you described in the last stage.
At this point, your data collection doesn’t have to be pretty. All this step is to make sure you know what the data is so it can be nice and presented in graphs and charts at the next level.
If your experience is innovative, very interesting, or something along those lines, you might consider publishing it in a scientific journal or journal. Teaching students about the processes scientists use is a key step in building a science foundation early in the year. In this post, I’ll share a fun and simple science experiment for students to explore floating around while learning the steps of the scientific method.
Milk and cookies are every kid’s favorite, so why not use them to teach science? I thought milk and cookies would be the best materials for our first science experiment, and of course we could eat the leftovers!
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. This experiment allows students to make observations and experiments to learn why some objects sink and other objects float.
I want to start with a small lesson and explain more scientific terms to introduce the concept of buoyancy. Terms like molecules, density and buoyancy. I also ask questions. “Why do you think some things float and others sink?” and “How can something as heavy as a cargo ship swim across the ocean without sinking?”
I introduced the questions: “Are the cookies juicy?” and “Do you sink or swim in milk?” Going through the steps of the scientific method, I noticed the questions and guided the students to practical steps to learn.
After the students were placed in 4 groups, each of them was given 4 different cookies and 4 glasses of milk. We used mini cookies that I found at Walmart and the dollar store.
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Before starting the science experiment, the students observed the characteristics of each cookie and recorded them on their paper. They then predicted whether the cookie would sink or float.
When students conducted their experiments, the results were not always what they expected. Some cookies sank right away, while others took a little longer. The students observed which cookies absorbed the milk quickly and which did not.
Students draw their conclusions and think about why each cookie sinks or floats. Some things students should consider are: the weight of the cookie, whether air pockets are visible, “are there 1 or 2 cookies in the center? And do the chocolate chips sink the cookie because of their weight, or do they float because of the fat and oil they contain?
This simple milk and cookies float experiment is great fun for kids and a great activity to teach the scientific method.
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All of the PowerPoint lessons and student pages featured in this post are available in the Science section, Scientists and the Scientific Method.
The unit includes 10 science lessons and teaching PowerPoints and science experiments to introduce your students to scientists, types of science, science tools and safety, and the scientific method. Three science experiments, a student journal activity, posters, and anchor charts give you everything you need to start the year off right while laying the foundation for future science lessons.
Read this article for lesson ideas and activities to teach the scientific method and start laying the foundation for science in your classroom.
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I’m Linda Camp, a 20-year elementary teacher with a passion for creating teaching materials that inspire students and make learning fun!
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