Jump to main content

Fourth Grade Projects, Lessons, Activities (609 results)

Filter by
Science Fair Project Idea
Scientific Method
Lights and music make a great combination! Getting sound and lights to complement each other just right helps set the mood for everything from DJ parties and concerts, to theater shows, the circus, and ballet performances. You can put together your own lights and music show using a Raspberry Pi.    Check out the video to see what this simple, but fun, project looks like. Once you have the basics down, you can keep tinkering with the circuit, the sounds, and the program to make fancier versions… Read more
STEM Activity
1
2
3
4
5
3 reviews
Can you use electrically charged "wind" to make something move? Find out in this fun project as you build your own ion wind rotor. Read more
STEM Activity
1
2
3
4
5
30 reviews
Do you play or watch a sport where you use something (other than your hands or feet) to hit a ball? Golf, baseball, tennis, hockey—there are many different sports where players use something to hit a ball or a puck. In this activity you will design, build, and test your own sports equipment made from recycled materials. Read more
STEM Activity
1
2
3
4
5
13 reviews
If you have ever built a tower with blocks, you have probably knocked it over—either on purpose, or by accident. Sometimes your tower gets too tall and wobbly, and you just cannot keep it standing! In this activity, you will learn about the trade-offs you need to make when building a tower that is both tall and stable. Read more
Science Fair Project Idea
Scientific Method
Do you ever use plastic wrap to cover a container? Did you know that it is made of plastic, which significantly contributes to the amount of waste in our landfills? There are many alternatives to plastic, and one popular product is beeswax wraps. Are beeswax wraps a suitable replacement for plastic wrap? Find out in this experiment! Read more
Science Fair Project Idea
Engineering Design Process
Why do so many people use cell phone cases? Do cell phones really need the extra protection, or is it just because cases look fancy? In this engineering science project, you will test the durability of calculators instead of cell phones, find out if cases increase the durability of the device, and build some of your own cases that do! Read more
Science Fair Project Idea
Scientific Method
Have you ever picked a flower and tried to make it stay alive in a cup of water? How long does that last? Do some flowers last longer than others? Why do you think that is? In this experiment, you will compare different plants to see which ones can regrow or regenerate after damage and learn why some plants are better at it than others.  Read more
Science Fair Project Idea
Scientific Method
"Use it or lose it!" Sure, we all know physical exercise is important to keeping our bodies fit. But how important is physical exercise to your brain? In other words, is there any connection between an active body and increased brain power? This is an easy project where you can test the effect of exercise on a critical brain function: memory. Read more
Science Fair Project Idea
Scientific Method
Have you ever wondered what sounds you can hear in space? The answer is simple: none! In outer space there is utter silence. There are no sounds of traffic jams or thunderstorms or crashing waves. No buzzing bees or babies crying. Just silence. In this experiment, you will discover why empty space is void of sound and prove it with the help of the microphone in your phone and a sensor app. Read more
Science Fair Project Idea
Scientific Method
Test your multitasking skills with the Timed Up and Go (TUG) Test! In this challenge, you'll evaluate a person’s functional mobility when they're focused versus when they're distracted. Can your brain handle walking and talking at the same time? Let’s find out! Read more
< 1 ... 28 29 30 31 32 ... 61 >
Top
Free science fair projects.