Fifth Grade Science Experiments (Page 179)

Blog Post

Bring on the luck of the Irish with these six fun, hands-on STEM projects for St. Patrick's Day! From the magical pot of gold at the end of a rainbow to lucky charms, leprechauns, shamrocks and more, St. Patrick's Day is brimming with opportunities to tweak science and engineering activities to fit the day. Try one of these green picks for chemistry, engineering, and physics fun with students of all ages: Leprechaun Snot: It just takes a bit of… Read more

7 Wearable Circuits Science Projects

Blog Post

Explore cutting-edge electronics and engineering with wearable electronics science projects. From e-textiles and sewn circuits to personalize clothing and accessories to DIY wearables for health and safety, students can design, build, and test their own. Experiment with Wearable Electronics Wearable electronics, also called "wearables," are circuits and electronic devices that are designed to be worn. Devices like smart watches and fitness trackers are a familiar form of wearable, but many… Read more

A Bright Idea for Saving Energy

Science Fair Project Idea

Scientific Method

In the United States, lighting for homes accounts for about 14% of all residential electricity usage (EIA, 2014). That's billions of dollars worth of electricity per year. The U.S. has passed legislation to phase out older, more inefficient incandescent light bulbs, and they are being replaced with newer, more-efficient bulb types like compact fluorescent lights (CFLs) or light-emitting diodes (LEDs). How much energy (measured in kilowatt-hours [kWh]) and how much money could be saved by… Read more

A Candle Seesaw Balancing Act

STEM Activity

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Do you love playing on a seesaw? Why is it that depending on where you sit on the beam, and the weight of the person on the other side, you either fly up into the air or fall down to the ground? And why is it so difficult to perfectly balance the seesaw? It can all be explained with physics! In this activity, you will investigate the balancing forces of a seesaw—with a seesaw made of candles! Read more

A Ground-Breaking Revelation: Testing Longitudinal Waves in Different Soil Types

Science Fair Project Idea

Scientific Method

Did you know that waves travel through the Earth's crust all the time? One major source of these waves is earthquakes, although ground motion can also be caused by something man-made, such as a mine blast or nuclear explosion, or other natural events, such as landslides or volcanic activity. How does an earthquake cause these waves? The entire outer shell of the Earth, known as the lithosphere, is made up of tectonic plates that are constantly moving. There are seven or eight large… Read more

A Simple Machine to Make Potato Holes

STEM Activity

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If you want a cool project that you can show to your friends, this activity is for you! Take a potato and a straw—maybe a pencil as well—and challenge your friends to drill holes into the potato with the least amount of effort. Chances are, they will not find a method that gets the job done with ease. The best method—the method that requires the least effort from you—will surprise them all! Experiment, investigate and have fun! Can you find a reliable way to get the job… Read more

A Simple Sourness Detector

STEM Activity

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Have you ever wondered why some foods or drinks taste sour, whereas others do not? You might know that your tongue is picking up all kinds of flavors, including salty, sweet, bitter, and sour. But what makes something taste sour? The sour taste is actually influenced by the pH and acids present in foods. In this activity, you will find out how sour different foods are by testing foods and drinks for the presence of acids with baking soda. What do you think is the sourest food you can find in… Read more

Absorb the Shock!

STEM Activity

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Have you ever ridden in a car over a pothole or a speed bump? You might feel the bumps and get tossed up and down in your seat a little bit, but not nearly as much as you would if the car did not have a suspension. Try this engineering project to learn how a suspension helps give you a smoother ride! Read more

Adding Art: Doing Fun Science at Home during School Closures (Activity #6)

Blog Post

Follow along with a Science Buddies parent who is using family STEM activities to keep her kids learning at home during the COVID-19 school shutdown. New posts every Monday, Wednesday, and Friday. Today's adventure...food dye, shaving cream, and a bit of cool science transform paper into beautiful marbled art. Artists are Scientists, Too My kids love art. Drawing, painting, clay — all these things bring them joy. On the other hand, while I… Read more

Aerodynamics and Hockey: Does the Force of Drag Have an Effect on the Distance the Puck Will Travel?

Science Fair Project Idea

Scientific Method

Think of a way to launch the puck with a reproducible force, and examine the effect of launching the puck in different orientations on the distance it travels. For more information on the physics, see Haché, 2002. Read more

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