Elementary School Science Experiments (Page 16)

Paper Chromatography Science Projects & Experiments

Blog Post

Use these free STEM lessons and activities to experiment with paper chromatography. Experiment with Paper Chromatography Chromatography is a technique used to separate a mixture or solution into its individual components. There are several different types of chromatography, including thin-layer, column, and paper chromatography. Paper chromatography uses materials that make it accessible for chemistry exploration at the K-12 level. Paper… Read more

Parachutes: Does Size Matter?

Science Fair Project Idea

Scientific Method

How does a parachute work? Do bigger parachutes work better than smaller parachutes? Find out in this science project if the size of the parachute matters. Read more

Removing Microplastics from Water with Ferrofluids

Science Fair Project Idea

Scientific Method

Have you ever walked next to your favorite ocean, lake, or creek and seen plastic waste everywhere? Have you ever thought about how much plastic breaks down into microplastics and pollutes waterways? Scientists are coming up with new ways to remove these microplastics from our waterways, and now you can test them out for yourself at home. Read more

Scintillating Scents: The Science of Making Perfume

Science Fair Project Idea

Scientific Method

Have you ever watched your parents dress up for a big evening? They may even splash on a bit of aftershave cologne or dab on some perfume since it is special occasion. But did you know that using perfume and scents is an ancient activity? Perfumes and the art of making perfume is an art that is thousands of years old. In this chemistry science fair project, you will learn more about one way to make perfume, called enfleurage, and experiment with it to extract your own floral scents. Read more

Why Does Fruit Turn Brown?

Science Fair Project Idea

Scientific Method

Have you ever wondered why apple slices turn brown once you cut them, or why a yellow banana gets dark spots over time? In this project you will find out why this happens, and how you can keep your apple slices looking fresh! Read more

20+ Color Science Experiments

Blog Post

Dig into the science of color with colorful, color-changing, eye-catching science experiments! 23 Color Science Experiments and STEM Activities for Science Class and Science Fair Some experiments are "colorful" because they use colored water, paints, or other materials as part of the demonstration of science concepts. The collection of student science fair projects and STEM learning resources highlighted here is "colorful" in a different way. These… Read more

A Battery That Makes Cents

Science Fair Project Idea

Scientific Method

Batteries are expensive, but you can make one for exactly 24 cents! In this experiment, you will make your own voltaic pile using pennies and nickels. How many coins in the pile will make the most electricity? Read more

Alka-Seltzer Science: The Effect of Temperature on Reaction Time

STEM Activity

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Have you ever wondered why bubbles form when an Alka-Seltzer tablet is put in water? If you’ve ever tried it, you’ve seen that the tablet fizzes furiously when dropped into water. The moment the tablet starts dissolving, a chemical reaction occurs that releases carbon dioxide gas. This is what the bubbles are. Some factors can change how quickly the carbon dioxide gas is made, and consequently affect how furiously the tablet fizzes. In this activity… Read more

Build a Brushbot

STEM Activity

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Brushbots are a simple, fun type of robot that you can build out of arts and crafts materials. They are easy to build and you do not need any previous experience with robotics. You can build them yourself, build two robots with a friend and race them against each other, or even make them sumo wrestle! Go to the Materials section to see what parts you need to build a brushbot, and see the instructions for a step-by-step guide on how to build one. Read more

Cabbage Chemistry

Science Fair Project Idea

Scientific Method

This experiment is for all the kids out there who love boiled cabbage! You say you do not like cabbage? Well maybe you will like this amazing color-changing liquid you can make with cabbage. Which solutions around your house can make the cabbage juice change color? Find out while you learn about acids and bases and how to test for them. Read more

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