Recommended for middle school students! A collection of quick science project ideas you can do in a short time.

Apple discoloration

Independent research! Observation and experiment results on apple browning

I think you know that a peeled apple changes color when left out.

Let’s compare conditions that cause this discoloration, such as temperature and light.

It’s also interesting to try it not only with apples but with other fruits.

Recording the changes with a camera should make them easier to understand.

Water purifier

I tried putting cola into a filtration device that can turn muddy water into drinking water.

This is a water purification device that uses a plastic bottle.

If it works well, it can clean even muddy water to a drinkable level.

Just add layers of sand, charcoal, small stones, and so on to complete it.

However, it does not guarantee completely safe water, so be cautious if you drink it.

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sound vibration pattern

[Experiment 142] Introducing a device that lets you see sound with your eyes! / Independent Research / Denjiro Yonemura [Official] / science experiments / diaphragm

Although sound is invisible, you can actually see it if you have something like table salt and a washbasin! The patterns drawn by sound differ depending on the sound, so try comparing various sounds.

If you photograph and compile them, I think the differences caused by sound will become very clear.

Investigation of vascular bundles in vegetables

R5204 Plant Xylem Observation Kit

This is a study that examines the vascular bundles of vegetables.

By conducting this research, we can understand the remarkable qualities and mechanisms of vegetables.

It’s easy to carry out since the only materials needed are various vegetables and a dye.

It might be helpful to organize the results by type.

Observation takes time, so proceed according to a plan.

Slime made with laundry starch

How to make slime! Easy! Glitter slime made with Ariel laundry detergent and liquid laundry glue! No borax — How to make slime!

This is a slime-making method using laundry starch.

Just mix glue and hand soap, then gradually add liquid detergent while stirring.

That’s all it takes to make it easily.

You don’t need anything special.

It’s nice that you can do it with just items you have at home.

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Mold growth experiment

Mold Experiment 0109

Using familiar foods like sliced bread, let’s record the conditions under which mold grows.

By comparing factors such as light, temperature, and humidity and summarizing them clearly, the conditions that promote mold growth will become apparent.

It might also be interesting to compare items that contain food additives with additive-free ones.

Hot Water Engine

How to Make a Soda Can Stirling Engine, Part 4: An Engine That Runs on Hot Water

How about trying to make an engine that uses hot water? It’s a type called a Stirling engine.

It harnesses the expanding and contracting forces of air.

It’s an especially recommended independent research topic for those interested in cars or motorcycles.

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