[For 4th Graders] Fun Independent Research Ideas You Can Do With Everyday Materials
Many fourth graders are probably struggling to choose a summer break independent research topic that’s “fun but not too difficult.” In fact, you can create a project that makes your friends say “Wow!” using simple experiments and crafts with everyday materials.
Here, independent research pros introduce exciting ideas you can dive into, like a shiny coin experiment with 10-yen pieces, making kohakutou (amber sugar candy), and crafting hydrangeas.
Plus, everything from preparation to record-keeping is explained carefully, so you can take on the challenge with confidence.
Find a special independent research project that will become a lasting summer vacation memory!
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[4th Grade] Fun Independent Research Ideas Using Everyday Materials (71–80)
smart ball
Smart Ball is a playful craft that lets you build your very own game while getting excited about the motion of a rolling marble.
Cut lumber to fit a perforated board to create a frame.
Add an incline beneath the board so the marble rolls more easily.
For the launcher, use nails and rubber bands to make a pull-and-release mechanism that shoots the marble.
Attach a plastic sheet on top of the board to enhance the sound and feel as the marble rolls.
Place small pegs called dowels to add unpredictability to the marble’s path.
With creative targets and decorations, you’ll have a one-of-a-kind original Smart Ball game.
It’s a fun way to nurture creativity and observation skills as you play.
Cardboard 3D craft
Three-dimensional creations using single-faced corrugated cardboard make the most of the material’s qualities depending on the direction and shape of your cuts.
If you cut along the direction of the flutes, the cardboard bends easily; by changing the cutting direction, you can form pillar-like shapes.
Cut long strips and coil them or make rods to combine into towers, arches, or animal bodies—shape them freely.
Connecting multiple parts in three dimensions results in sturdy works.
Painting the surface or adding patterns enhances the finish.
Sculptures born from everyday materials convey the depth of making and the freedom of imagination.
Cardboard garbage collection truck
Let me introduce cardboard garbage collection trucks.
There are different types of garbage trucks, and their movements and installed parts vary.
All of the trucks being introduced are made using cardboard.
By paying attention to details—such as changing the shape of the emergency stop switch section, recreating the tail lamps with plastic sheets, and writing the manufacturer’s name—you can complete a garbage truck that looks just like the real thing.
Understanding the movements and features of each type of garbage truck also makes it easier to imagine the materials you’ll need to prepare.
Be sure to try making a garbage truck in your own style.
[4th Grade] Fun Independent Research Ideas You Can Do with Everyday Materials (81–90)
Cardboard vending machine
Let’s introduce a cardboard vending machine that looks just like the real thing.
Insert a coin and press a button, and a drink will come out from inside.
Gather the materials—milk cartons, cardboard, bubble gum, rubber bands, paper clips, plastic sheets, tape, glue, a ruler, scissors, and a utility knife—and let’s get building.
We’ll start by making the internal parts of the cardboard vending machine.
The key is to carefully measure each part and cut it to the correct size before assembling.
Measure the base cardboard as well to ensure it’s the right size to hold the drinks, then build accordingly.
It also sounds fun to make your own original drinks!
Marble Maze
Let me introduce a marble maze that’s so much fun to roll around.
Get your materials ready: a plastic board, colored construction paper, colored pencils, a ruler, a cutting mat, scissors, double-sided tape, clear tape, a ballpoint pen, and marbles.
Cut the plastic board to create the base shape of the maze.
It’s best to assemble the base by attaching pieces around the edges.
For the maze course, cut the board and adjust the sizes as you build.
Create traps by cutting construction paper and attaching them along the course.
Adding tunnels will make it even more exciting.
Roll your marble and enjoy aiming for the goal!
pull-back car
This craft lets you experience the fun of a car you built yourself zooming forward powered by rubber bands.
Cut corrugated plastic (plastic cardboard) to match the size of the car body.
For the wheels, use bottle caps: make a hole in the center, then pass a bamboo skewer through to create the axle.
If you firmly attach this to the body with hot glue, it will start to look like a real car.
Hook a rubber band onto the rear axle and wind it by turning the axle forward, and you’re ready to go.
When you let go, the car surges ahead under the power of the rubber band.
You can freely design and color the body, so you can get particular about the appearance too.
Using everyday materials and a simple mechanism, it’s a hands-on project that’s both fun to build and a great way to learn, delivering dynamic motion.
Running Robot
An exciting craft! Let me share an idea for a running robot.
Some of you might want to do a craft project but can’t think of a good idea, right? This time, let’s make a running robot that uses a windshield wiper mechanism.
You’ll need a rectangular plastic bottle, bamboo skewers, straws, thick paper, cardboard, plastic bottle caps, rubber bands, and so on.
It’s a great idea that lets you learn how a wiper mechanism works through crafting! Give it a try!