Looking up for a list of science experiments for your 6th-grade engineering lessons?

Check out these 35 of the best science projects and be ready to bring fun to your engineering classroom.

1. Construct a Ferris Wheel

Photo by: Teachers Are Terrific

Most of the kids get overwhelmed with the big Ferris Wheel, but can they rebuild themselves? This project will absolutely challenge your classroom with complex model creations just by the basic popsicle sticks and keep them symmetrical.  

Learn more: Teachers Are Terrific and eHow

2. Build yourself a Dragster

Photo from: Science Max

This applicable science experience promotes your creativity to build your own dragster. What a great classroom activity to test out all of what you have learned about Newton’s first law.

Learn more: Science Max           

3. Build a wrecking ball by apple

Photo by: Feel-Good Teaching

Do your students just scratch off their heads because they can’t remember the main ideas of Newton’s third law of motion? This engineering project will definitely help! Your sixth-grade kids will have fun making an apple wrecking ball to test for many concepts of potential, kinetic energy, force, accuracy, and more.

Learn more: Feel-Good Teaching

4. Science Demonstration: Make a Balloon Pinwheel

Photo by: Frugal Fun 4 Boys and Girls

Here is one of the fun sixth-grade science projects to scaffold your students’ understanding of Newton’s 3rd Law of Motion! You only need a straw and a balloon to create your pinwheel.

Learn more: Frugal Fun 4 Boys and Girls

5. Create a motorized tiny character

Photo by: Babble Dabble Do

An example of this experience is making mini dancers, but I bet all the 6th-graders would even love to go beyond with their creative brains. Check out these DIY tiny dancers who dance by homopolar motors

Learn more: Babble Dabble Do

6. Self-made Launching Device

Photo by: Science Buddies

Replicate the 2018 Fluor Engineering Challenge with this project. Only use limited materials, test for how far a ball can go with your own “launcher” and “receiver” models. Check out this experience in your class and even level up the game with different sports-related twists. Do you see the similarities between the launching device and the quarterback in American football?

Learn more: Science Buddies

7. Volleyball Machine Challenge

Photo by: Science Buddies

Still want to have more fun with the Fluor Engineering Challenge? Let’s catch up on your previous project with this 2019  Volleyball machine challenge.

Learn more: Science Buddies 

8. Engineer a Stand for Cell Phone

Photo by: Science Buddies

Let the sixth-grade students experience all the way to engineer a cellphone stand, from design, construct to test the final product. What supplies and materials would you need? Check out if your model can also use for the textbook.

Learn more: Science Buddies

9. Making a Mini Sorting Machine

Photo by: Science Buddies

A simple engineering project to learn the basics of simple machines. Try this experience to build your own mini automatically sorting appliance.

Learn more: Science Buddies

10. Experiment Stable Constructing Frameworks under Earthquakes

Photo by: Science Love to Know

Building and constructing are some of the very first hints whenever we think about engineering. In this case, your kids will investigate the safety frameworks in the construction, especially under forces like earthquakes to find out the most stable model. 

Learn more: Science Love to Know

11. Building Stick Bridges

Photo by: Scholastic

Go for a bridge hunt around the world and investigate its designs with your students. How bridges are built to ensure safety? Challenge your kids to make the mini scales of some famous bridges and check out which one can stand the heaviest weight.

Learn more: Scholastic

12. Making a Hooke’s Law applied Spring Scale

Photo by: Science Buddies

The purpose of this experiment is to test whether or not Hooke’s law can accurately describe the tension of the spring within a certain range. Try out the experiment by calibrating the spring and use it to weigh objects that mass is unknown.

Learn more: Science Buddies

13. Make your own Pulleys to Lighten the Load

Photo by: Science Buddies

No more excessive rely on muscles to move and lift heavy objects. Keep your students busy by experimenting with different pulleys arrangement to lift the same load and measuring the force required. It also clears out kids’ wonder of how the skyscrapers are built.

Learn more: Science Buddies

14. Ultimate 3D Design Challenge

Photo by: Go Science Girls/ Make Fun Creating

Who would ever believe that your fantastic 3D structure (which might win the next science fair!) starts from this basic experiment with playdough and sticks. Become the game changer by building the highest building as you can with a range of materials, even from spaghetti and marshmallows like this award-winning project.

Learn more: Go Science Girls and Make Fun Creating

15. The Paper Tower Challenge

Photo by: Science Buddies

Only with paper and tape, this time, can you make the strongest paper model that can bear the most weight?

Learn more: Science Buddies

16. Popsicle Stick Gear

Photo by: Frugal Fun 4 Boys and Girls

Here is a perfect hands-on experience to let your kids explore how motion is created by gears meshing together.

Learn more: Frugal Fun 4 Boys and Girls

17. The Magnet Spinning Pen

Photo by: Frugal Fun For Boys and Girl 

A range of science skills will be provoked in this basic experiment to spin a pen by magnetism. Simple materials are used but the activity will challenge your kids’ investigation to find out the perfect balance by adjusting the magnet sizes. 

Learn more: Frugal Fun For Boys and Girl

18. Magnet Powered Car

Photo by: The Science Kiddo

A simple science lesson with fast setup, but brings tons of joy! Build the road and use a magnet to control the car’s direction. Make it become a whole class magnet car race and enjoy the fun of science together.

Learn more: The Science Kiddo

19. Wind Turbine Design

Photo by: Education.com

This project tests whether birds distinguish between patterned and non-patterned anemometers when choosing a feeding location. Make two anemometer samples by dixie cups, pins, straws, and plates to investigate the result.

Learn more: Education.com

20. Energy Transformation

Photo by: Education.com

Have your students ever noticed that the solar panels are placed to allow the sunlight energy to convert into electrical and heat energy? Find out a powerful contraption design that can transfer energy to power a machine or produce motion.

Learn more: Education.com

21. Using Hydropower to Lift a Load

Photo by: Science Buddies

Learning how to convert the kinetic energy from running water into mechanical energy through this experiment. See if you can challenge yourself to bring this project to a bigger scale.  

Learn more: Science Buddies

22. The Investigation of Skateboarding Wheels

Photo: The Skatepark Project 

Roll your sleeves up and bring on this fabulous engineering project to the school science fair. A great way to incorporate your sixth-grade students’ favorite sport (skateboarding) into science learning. Test different types of skateboard wheels to learn more about tensile strength and rebound outcomes.

Learn more: Education.com 

23. Make Boat Engine by Baking Soda

Photo by: Kiwi Co 

Baking soda? Are we going to make another volcano, AGAIN?!? Nope. Check out this experience to find out how baking soda can use in engineering by fueling these cool racing boats. 

Learn more: KiwiCo 

24. Construct a NASA Two-Stage Rocket by Balloon

Photo by: Science Buddies 

 If your kids are still amazed by the previous racing boats powered by baking soda, this project would be the light for your lesson extension. Using the same scientific principle, students would dig into the laws of motion, which are used in the jet-plane engines, or even in NASA rockets.

Learn more: Science Buddies 

25. Build an Electro-Magnetic Train

Photo by: Science Buddies

Have you ever noticed the buildings’ foundations, which are built on a hill or slope? How can it stays still and not falling? In this engineering experience, you will experiment at a different angle of slope to test out how deep you need to dig the foundation so your building won’t fall.

Learn more: Science Buddies

26. Electro-Magnetic Train Experiment

Photo by: Frugal Fun for Boys and Girls 

Make this fun experiment of electro-magnetic train become a collaborative science project. Let your students investigate the wire length and energy source to effectively power their train.  Check out how far can it go.

Learn more: Frugal Fun for Boys and Girls 

27. A Robot Grasshopper Powered by Solar Energy

Photo by: Science Buddies

A robot grasshopper that vibrates when it comes close to any light source (solar energy). WHAT?!? This project might be a little bit scary to hear but would beat all deal for a great science fair project. Evaluate by testing the grasshopper’s movement level under different light sources and watch for the result.

Learn more:  Science Buddies 

28. Construct a Solar-Powered Car

Photo by: Science Buddies

Want to make something faster than a robot grasshopper? Check out this excellent deal to enter your school science fair.

Learn more: Science Buddies

 29. The Homemade Wiggle Robot

Photo: Research Parent 

Introduce your kids to their very first ‘robot’ with this tiny handmade creature, who loves drawing. The learning list goes on from electrical energy, power, its source, and more. 

Learn more: Research Parent 

30. The Archimedes Squeeze

Photo by: Science Buddies 

In this hydrodynamic project, students will make their spherical aluminum foil ‘boats’ to test Archimedes’s principle like the real engineers, who actually build ships of steel that can float by this principle. Do your students discover the idea? Eureka!  

Learn more: Science Buddies 

31. Make tissue paper stronger

Photo by: Steve Spangler Science

The experiment demonstrates how increased surface area can make tissue paper stronger. But, would you use tissue paper to make your own shopping bag?

Learn more: Steve Spangler Science and Discover Primary Science

32. Handmade Card Circuits – Make your card special

Photo by: Kiwi Co

Let make your greeting card stands out! Here is a step-by-step guide for making a simple circuit that will light up your cards.  

Learn more: Kiwi Co  

33. Designing Biodomes

Photo by: Teach Engineering

Not only learn about the ecosystems, food chains, and energy flow, your students will also work on a range of constructing skills to build up a scale model biodome in this comprehensive engineering project.  

Learn more: Teach Engineering 

34. The Handmade Archimedes Screw Pump

Photo by: Science Buddies

Let’s amaze your classmates by moving water with just a few wrist turns! This science project just requires you to build up a very simple Archimedes pump and you can finally move water from a low to higher location. Where else in our real life you have seen this project applied?

Learn more: Science Buddies

35. Building a Robot Hands Using Straws

Photo by: Science Buddies

Imagine how cool it could be to make your own robot hand that could pick up pieces of stuff! As using human finger anatomy as the stimulation for a basic functional robot hand, it is definitely a great start for any robot hand design later

Learn more: Science Buddies

What is more fun than learning through hands-on experiments where the students can engineer their own projects? Share your thoughts and check out our website for more latest teaching tips and tricks.

Frequently Asked Questions

What is an engineering science fair project?

Designing, constructing, modeling, building, improving, and testing an appliance, materials, and even more. Here are 35 of the best engineering science fair projects for your students.

What is the best science fair project for 6th grade?

Looking for the best science fair projects for 6th graders? This ultimate list of 35 of the most amazing sixth-grade science experiments is best for your students to rock on the science fair.