Third graders will be hooked! A collection of science project ideas using everyday materials
For summer vacation independent research, especially for third graders, it’s common to think, “I want to pick an interesting topic, but I don’t want it to be too hard.” Actually, with familiar materials and a little creativity, you can do experiments and crafts packed with scientific discoveries.
Here, we introduce curiosity-sparking ideas like learning about chemical reactions by making bread, observing plant mechanisms with colorful flowers, and reviving a dried-out marker.
Try exciting research and craft projects that will make your friends say, “Awesome!”
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Ideas for Independent Research Projects (101–110) Using Everyday Materials That Third Graders Will Love
Kaleidoscope in an ice cup
A kaleidoscope where you can enjoy geometric, mysterious shifting patterns.
Let’s make one using an ice cream cup.
First, use nail polish remover to erase the text and images on two ice cream lids.
Next, cut aluminum foil to your preferred length, fold it three times, and shape it into a long, narrow rectangle.
Cut it into shorter pieces, roll each into a tube, and secure with tape.
Make many small tubes and pack them tightly into the ice cream cup with no gaps.
Then put on a lid, sprinkle beads and pieces of translucent origami paper cut into small shapes on top.
Finally, place the second lid over it and tape it in place to finish.
Point it toward the sunlight and spin it to play.
I tried making a Super Ball.
Super balls are attractive for their colorful appearance and exceptional bounciness.
Because they absorb impact and rebound strongly, many of you probably remember bouncing them high when you were kids.
How about making your own super ball by hand? This time, we’ll use a store-bought kit, so there’s no need to gather materials individually—you can easily make one by following the included instructions.
Since the process involves using hot water and fine metallic powder, be sure to work together with an adult.
Create a one-of-a-kind original ball and have fun playing with it over summer vacation!
A truly usable cooler made from cardboard
Here’s a DIY cooler idea using cardboard, plastic bottles, a battery pack, and a motor.
First, cut three circular holes in the side of the cardboard box, each the same size as the bottom of a plastic bottle.
Insert and secure plastic bottles cut to one-third length into the holes, using the bottle neck ends.
On the inside of the cardboard, attach a propeller to the side opposite the bottles, and make small holes on both sides.
Mount the motor’s switch on the lid, place ice packs inside, and close the box to finish.
Decorate as you like with vinyl tape or similar materials.
Musical instruments made from empty cans
Let’s have fun making can instruments from empty cans.
Here, we introduce two instruments: an ocarina and another instrument that produces a scale alongside it.
Use an aluminum can for the ocarina and a steel can for the other instrument.
First, here’s how to make the ocarina.
Remove the pull-tab from the can, and tape a slightly thick straw to the mouth opening.
On the side of the can near the mouth opening, use a punch to make five holes spaced 2 centimeters apart.
Make one more hole at the top on the opposite side, and it’s done! For the other instrument, remove the can’s pull-tab and rub the bottom with something hard like a chopstick.
The pitch will change, so adjust it to the notes you want and line them up.
Let’s make a flute
As a one-day science project, here’s a fun idea for making a simple flute.
Since this involves using fire, be sure to work with an adult.
Prepare three thick straws and flatten one end of each.
Use a lighter to gently heat the flattened end, then pinch the melted section with a clip to seal it.
After making all three the same way, blow into them—you’ll hear a flute-like sound.
The pitch changes with the length of the straws, so adjust them to create the scale you like.
Ideas for Independent Research Projects Using Everyday Materials That Will Captivate Third Graders (111–120)
3 simple coasters
How about making coasters as a summer vacation craft? Here, we’ll introduce three methods.
The first is a coaster made by arranging tiles on top of paper clay.
The second is a coaster made by lining up beads and melting them in the microwave.
The third is a summery coaster that expresses a seasonal scene by placing shells, sequins, and stickers in resin.
They’re all easy to make, so give them a try.
You can buy most of the materials at 100-yen shops.
Simple kaleidoscope
Let’s make a kaleidoscope that shows rainbow colors.
Prepare three mirrors for a kaleidoscope and glue them together into a triangular prism with the mirror sides facing inward.
Place this inside a toilet paper tube, and seal one end with black construction paper that you’ve pierced with numerous holes using a pin.
Seal the other end with black construction paper that has a diffraction (rainbow) film attached at the center.
Finally, decorate the outside of the toilet paper tube with masking tape or similar, and you’re done! It’s very easy, so please give it a try.
It’s not a kaleidoscope with changing patterns, but the rainbow colors are truly beautiful.