Science Projects Project Guides Ask An Expert Blog Science Careers Teachers Parents Students

Science Fair Project Ideas

Help Me Find a Science Project

Use the Topic Selection Wizard to find your science project – it only takes a few minutes!

Topic Selection Wizard
  • Take a quick survey about your interests and hobbies
  • Get a personalized list of science projects that fit your unique interests
Get Science Projects!

Browse Science Projects

Browse science projects by subject or grade level using the filters to the left. Or, explore our special collections for science project ideas, news, and STEM careers themed around popular topics including: Agricultural Technology, Big Data, Diabetes, Healthy Living, Safety Science

Search Refinements
Go
Cost
Time
Material Availability
Science Fair Project Idea
Do you filter your tap water before drinking? Many commercials claim these filters make your drinking water cleaner and safer. But what, exactly, are these filters doing and is the water really cleaner afterwards? The cleaning power comes from their filling material, called activated carbon. It exists in all kind of forms: powder, granules, foams, and blocks. Do you think it matters what type of activated carbon is inside the filter? In this activity you will investigate whether larger or… Read more
Chem_p108
+ More Details
- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Avoid dispersing the powdered activated carbon into the air and try not to breathe in the particles.
Science Fair Project Idea
Would you like to add an unusual twist to a yummy food like ice cream? In this kitchen science project, you will make mind-bending hot ice cream. You will experiment with, and of course munch on this gastronomic treat. It is easy, it is delicious, and it is fun! Go ahead and try it out! Read more
FoodSci_p079
+ More Details
- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability This project requires special materials. See the Materials and Equipment list for details. Estimated project time includes time for shipping specialty materials.
Cost Low ($20 - $50)
Safety Adult supervision while using the microwave recommended.
Science Fair Project Idea
When you delete a file, by accident or on purpose, is the information really gone? Can you get it back? If you accidentally deleted your five-page report for school, you are hoping it is not gone. On the other hand, if you do not want someone to get their hands on the goofy and unflattering pictures you and your best friend took while staying up late the other night, you probably hope it is gone for good! It might be nice to know for sure either way. Try this project to find out. Read more
CompSci_p061
+ More Details
- Less Details
Time Required Short (2-5 days)
Prerequisites You should already be comfortable using a computer.
Material Availability Requires a computer with a hard-disk drive and an adult helper who is comfortable using the computer.
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
Did you know that you can use magnets to build a train that floats above its tracks? In this project, you will also use magnets to make the train stop, preventing it from crashing into the end of the track. Will adding more magnets help the train stop sooner? Read more
Phys_p105
+ More Details
- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites Attention to detail and patience are needed for this project. After building, you will need to make adjustments to get it working perfectly. The train floats above the tracks well once everything is lined up carefully.
Material Availability This project requires the , available from our partner .
Cost Low ($20 - $50)
Safety Keep magnets away from small children and pets who might swallow them.
Support for Science Buddies provided by:
Science Fair Project Idea
Vibrobots are fun little robots built from common household supplies, that are powered by vibrating motors. In this engineering project, you will design and built your own vibrobot. Would you rather have a robot that skitters quickly across a table or one that spins wildly in circles? How about a sumo-wrestling bot that can push others out of its way? The choice is up to you! Read more
Robotics_p030
+ More Details
- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability A kit is available for your convenience from our partner .
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
This project is inspired by the Banaue Rice Terraces, 2,000 year old structures carved into mountainsides in the Philippines. See if you can recreate the water flow of this ancient marvel, often called the Eighth Wonder of the World, using just household materials! The is over but you can still try out the project and compare your design to the high scores, or use the idea for a science fair or classroom activity. Read more
CE_p025
+ More Details
- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult supervision recommended for cutting materials that can create sharp edges, like plastic cups.
Science Fair Project Idea
Did you know that the most likely time to be struck and killed by a car in the United States is at dusk, dawn, or at night? In 2014, 3 out of every 4 pedestrian fatalities happened in these types of poor light conditions. Is there something you could do to decrease the chances you, your friends, and your family members are safer when walking or biking at night? Do you think the types of clothes that you wear could make a difference in how visible you are to drivers? Explore the science of… Read more
Phys_p104
+ More Details
- Less Details
Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult supervision is required when performing the test after dark.
Science Fair Project Idea
Have you ever wondered how your cell phone or laptop keeps running once you unplug it? Sure, it is the battery that makes your portable electronics work, but how exactly does a battery do that, and from where does the electricity come? Generally, in a battery chemical energy is converted into electrical energy. In fact, many different types of batteries exist that are all based on a different set of chemical reactions. In this science project, you will explore a special battery variant called… Read more
Chem_p107
+ More Details
- Less Details
Time Required Very Short (≤ 1 day)
Prerequisites Some knowledge of basic chemistry and familiarity with the concept of electrochemistry would be helpful.
Material Availability This science project requires specialty electronics items. Specialty items are available in a kit from our partner .
Cost Average ($40 - $80)
Safety Hydrogen peroxide can irritate the skin and eyes. When working with this chemical, make sure to wear eye and skin protection in case of any splashes or spills. In case of chemical contact, rinse skin or eyes immediately with plenty of water.
Science Fair Project Idea
Virtual reality (VR) headsets are becoming increasingly popular with consumers for things like viewing 3D pictures and videos, or for playing video games. However, dedicated gaming headsets like the Oculus Rift® and PlayStation® VR can cost hundreds of dollars. Some headsets, like Google Cardboard™, which is literally made out of folded corrugated cardboard (Figure 1), are much cheaper because they can use any smartphone as the screen. Figure 1. A Google Cardboard headset… Read more
Games_p034
+ More Details
- Less Details
Time Required Average (6-10 days)
Science Fair Project Idea
Are you convinced that virtual reality (VR) will soon become mainstream and improve our lives in unpredicted ways? Or maybe you believe it is a big hype doomed to fade and disappear. In this science project, you will use one aspect of VR—the headset—and investigate if it could convey reality better than traditional pictures or 360° images. You will go out and measure how people perceive pictures and images you took. Will people embrace the VR headset and what it can do or prefer… Read more
HumBeh_p060
+ More Details
- Less Details
Time Required Average (6-10 days)
Prerequisites To do this project, you should be familiar with using 360° images or be willing to learn how. [# Fragment Name="ProjectIdeas.Human.Subjects.Prerequisites" Value="Html" #]
Material Availability This project requires a virtual reality headset. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety No issues
< 1 2 3 4 5 ... 121 >