Kindergarten Science Experiments (Page 27)

Science Fair Project Idea

Scientific Method

Where does your electricity come from, and how does it affect the environment? In this project, you will use data on electricity generation from power plants across the United States to compare the fuel sources and emissions from power plants in one state to national averages. You will also examine past trends and use them to estimate how the state’s fuel mix and emissions might change in the future if recent patterns continue. Read more

Make Your Own Shampoo and Test How It Performs!

Science Fair Project Idea

Scientific Method

Do you love it when your hair is nice and fresh? The key to keeping your hair nice and clean is to use a good shampoo. But with so many different products in the store, how do you know which one works best for you? In this science project, you will put a variety of shampoos to the test, including your own homemade organic shampoo recipes. Do you think these will perform better than a store-bought product? Read more

Making Homemade Bath Bombs

STEM Activity

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Have you ever had a refreshing bath using a bath bomb? It can be quite the relaxing experience, especially if your bath bomb has a nice fragrance or includes some bath salts. Have you ever wondered what causes a bath bomb to become so fizzy when it touches the water in the bathtub? It is due to a chemical reaction taking place between different ingredients within the bath bomb. In this activity, you will get to make your own homemade bath bombs and explore how changing the amounts of the… Read more

Nothing But Net: The Science of Shooting Hoops

Science Fair Project Idea

Scientific Method

Swish! What a great sound when you hit the perfect shot and get nothing but net. Here's a project to get you thinking about how you can make that perfect shot more often. Read more

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

Popsicle Stick STEM Projects

Blog Post

Use wooden craft sticks or popsicle sticks for hands-on STEM activities! STEM Projects with Simple Materials Doing hands-on science doesn't have to involve expensive or specialty materials. The projects highlighted below all feature wooden craft or popsicle sticks! Hands-on STEM Activities Using Popsicle Sticks Popsicle Stick Chain Reaction: Interweave wooden craft sticks in an exploration of potential and kinetic… Read more

Predict Air Quality with Machine Learning

Science Fair Project Idea

Scientific Method

Air pollution is a growing issue, especially in cities, due to the rise of industrial activities, increased fossil fuel consumption from things like car use, and natural events like wildfires. This pollution is measured by the Air Quality Index (AQI), which shows how clean or polluted the air is. But what if we could predict changes in AQI to help communities plan ahead to protect people who are at risk from air pollution? That’s where machine learning comes in. In this project, you will… Read more

Stacking Liquids

STEM Activity

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Did you know that not only can solid objects sink or float, but liquids can, too? It is actually possible to stack different liquids on top of each other in layers. The key is that all the different layers must have different densities. You can stack them by either picking several liquids with a range of densities, or by varying the density of one liquid by adding chemicals like sugar or salt to it. If you choose colored liquids, or add food coloring to each layer, you can even create a whole… Read more

Star light, Star bright: How Does Light Intensity Change with Distance?

Science Fair Project Idea

Scientific Method

Have you ever looked up at the stars at night and wondered how fast they were moving or how far away they were? By studying how the brightness of a star changes with distance, you can answer those questions. In this astronomy science project, you'll create a model of starlight and use a sensor app with your smartphone to discover the key relationship between brightness and distance. Read more

Studying Bernoulli's Principle

Science Fair Project Idea

Scientific Method

Did you know that you can actually make objects come together by blowing air between them? Find out how wind changes air pressure to bring to objects together in this easy and fun science fair project! Read more

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