Recommended for elementary school students' independent research! Experiment and observation ideas using everyday materials
Recommended for elementary school students who haven’t decided on a summer vacation independent research project yet! Choosing a topic can be tough, but in this article we introduce exciting ideas that will make you feel thrilled just reading them—from factory tours at candy makers to gemstone polishing, and even a DIY telescope you can build with materials you have at home! You’ll also find plenty of ideas you’ll want to tell someone about, like a curious experiment to check your ear age and a project to make water that’s both hard and soft.
You’re sure to find tips for independent research that use familiar items and are fun to try!
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Recommended for elementary school students' independent research! Experiment and observation ideas using familiar materials (91–100)
Let’s explore the mysteries of color

This is a science project where you closely observe the colors you usually see.
If it’s just observation, even lower-grade elementary students can do it, and upper-grade students can add analysis, so it’s a recommended project for a wide range of grades.
By using the three primary colors of light and layering sheets to create a color photograph, and so on, it becomes an experiment that produces interesting phenomena.
Let’s try mixing water and oil.

There’s a saying, “like water and oil,” but what actually happens when you mix water and oil? Fill a glass about one-third full with each.
To make it easier to see, let’s color the water.
Next, use a straw to suck up some of the colored water and put it into the oil…
Now, what do you think will happen? Give it a try!
In conclusion
What’s important in a summer vacation independent project is enjoying new discoveries and surprises.
You can look into space with a homemade telescope, try intriguing experiments using familiar materials, and come up with research themes using the free-thinking unique to elementary school students.
Don’t be afraid of failure—take on challenges and fully enjoy your very own project.
It will surely become a wonderful summer memory that stays with you.



