Science Experiments Using The Scientific Method

Science Experiments Using The Scientific Method – Everyone wants to make slime these days, and that’s because it’s a great activity to try! Did you know that making slime is a cool science too. If you want your kids to get more out of their slime making experience, try turning it into a science experiment and applying some scientific methods. Read on to learn how to use slime for science experiments and make a great science fair project for 4th, 5th, and 6th graders.

Homemade slime is a real treat for kids, and it’s a popular activity right now, as well as a great science fair project. We try our slime recipes time and time again to bring you the best activities!

Science Experiments Using The Scientific Method

We have a great sizzling slime recipe, watch the video and get the slime recipe here. Two chemistry shows in one!

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Chemistry is about states of matter, including liquids, solids, and gases. It’s about how different materials fit together and how they form, including atoms and molecules. Chemistry is the way materials behave under different conditions and/or form new substances. Just like slime!

Mucus is an endothermic, not exothermic, reaction. Endothermic reactions absorb energy (heat) rather than release energy (heat). Have you ever noticed how cold your slime is?

Mucus activators (borax, sodium borate, and boric acid) change the position of these molecules in a process called crosslinking!

This is a reaction between borate ions in the PVA glue and mucus activators. Instead of flowing freely, the molecules become entangled and form a sticky substance. Think wet, freshly cooked pasta and leftover cooked pasta!

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We always like to incorporate a little homemade slime science here! Slime is a great chemistry demonstration and the kids love it too! Mixing, matter, polymers, crosslinking, states of matter, elasticity and viscosity are just some of the scientific concepts that can be explored with homemade slime!

What is mucus science? Borate ions from mucus activators (sodium borate, borax powder, or boric acid) are mixed with PVA (polyvinyl acetate) glue to form this cool stretchy substance. It’s called cross linking!

Glue is a polymer consisting of long, repeating and identical chains or molecules. These molecules flow past each other, keeping the adhesive liquid. until…

You add borate ions to the mix, and it starts linking these long chains together. They start to clump and mix until the substance is no longer like the liquid you started with, but more viscous and elastic than slime! Slime is a polymer.

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Imagine the difference between soggy spaghetti and leftover spaghetti the next day. As the slime forms, the tangled chains of molecules look like spaghetti!

We call it a non-Newtonian fluid because it’s both! Experiment with making the slime thicker or thicker with different amounts of foam beads. Can you change the concentration?

Indeed, you can use slime crafting to explore states of matter and their interactions. Learn more below…

To transform your slime-making event from a science fair to a slime science experiment, you need to apply the scientific method. You can read more about using the scientific method with children here.

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Remember, the key to a good science experiment is having only one variable. For example, water could be a variable. We omitted water from the recipe to see if the slime needed water as an ingredient. We keep the rest of the recipe exactly the same!

We’ve put together a list of ideas for science experiments with slime. If you haven’t tried the slime recipe, I highly recommend learning how to make slime!

This was a really fun experiment we tried and it turned out great! We tested and compared three different slime recipes, but you can do it with just one slime and see what happens. Tip… liquid starchy slime without water is no fun at all! If you just want to choose one recipe, try this borax slime recipe or saline solution slime.

This is a great opportunity to test out Dollar Store/Staples brand glue or Crayola glue as well as the classic Elmer washable school glue!

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The key to this slime science project is figuring out how to compare different batches of slime made from each brand of glue. Of course, please keep the recipe and method of making slime every time. Think about what good slime is…stretch and viscosity or fluidity, then decide how to measure these properties for each type of slime. Your observations of how each type of slime “feels” is also valid data.

We tried this slime science experiment using the classic liquid starch slime recipe. This is how we ended Flubber! You decide how the amount of glue varies. For example; you can make a batch with the normal amount of glue, double the amount of glue, and halve the amount of glue.

Also, to vary the amount of glue, investigate what happens to your slime if you vary the amount of baking soda added to the salty solution slime or fluffy slime recipe, make a batch without the baking soda and compare to one. Baking soda is often used to cure this slime recipe.

What is the ratio of powder to water for borax-free fiber mud? Test the consistency of your favorite sticky slime with our taste-safe fiber slime recipe. We went through a few batches to see which worked best. Be sure to decide ahead of time how to measure the consistency of each batch.

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What is the optimal amount of styrofoam beads for homemade phloem? So we tested the phloem and recorded the results as we went. Or you can vary and then compare the styrofoam bead sizes!

Which glue works best for making slime? Use the same recipe for both and compare/contrast similarities and differences. Is the recipe more suitable for clear glue or white glue?

Different colors will affect the consistency of the slime. You can use the standard box of three colors of red, blue, yellow and green to see! Make sure to use all the colors with a batch of slimes!

Try your own slime science experiment. However, we do not recommend substituting a mucus activator without knowing what the chemical reaction is.

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Get our basic slime recipes in an easy printable format so you can complete the activity! If you want to answer a question scientifically, you use the scientific method. If a survey doesn’t use this method, it isn’t using science.

The scientific method is a fairly simple process of asking a question, coming up with an answer, and then testing that answer. While the overall process is always the same in essence, the finer details and implementation vary depending on many factors. You’ll see the method described and illustrated in different ways, but it always follows this general path:

Note that theory is the last part of the process. In science, the word theory has a different meaning than the one we use in everyday life. This is important, and we’ll talk about it later.

The process begins with the observation of something in the world around us. For example, “The sky is blue.”

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The next major step is to develop a hypothetical or suggested answer to the question. However, before we do that, we should:

Once you know all you know about the previous investigation of the problem, you can come up with your own proposal. In everyday conversation, this is what you would call a theory, e.g. “My theory is that water droplets in the atmosphere turn the sky blue”. In science, you don’t call your ideas a theory, you call them a hypothesis. Hopefully this theory will come up later (see below).

Now we need to learn some rules. A valid hypothesis must meet certain criteria, otherwise the process cannot continue. In very loose order of priority, here are some important rules and recommendations:

Scientific experiments are based on experiments. Whenever possible, experiments will be performed under strictly controlled conditions. Experiments should take into account variables and any factors that may affect the results. Everything should be thoroughly documented.

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There are many, many rules about testing. Science majors spend years learning how to design and conduct experiments that are fair, accurate and transparent.

Test results should be as clear as possible, with few doubts or conflicting interpretations. Anyone should be able to repeat the same test and get the same results.

The results should draw clear conclusions, which should then be submitted to other scientists for peer review. Perhaps this part of the process will present more questions and challenges that must be addressed.

If the conclusions pass peer review, they are communicated to a wider scientific audience for further scrutiny.

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