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Recursos educativos > 14-16 anos/3º-4º ESO

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Cube Lab

Hipervinculo Bioloxía

Cube Lab

Osmosis and diffusion are in some ways alike. This experiment will be covering diffusion. The sodium hydroxide will mix with the phenolphthalein agar cubes and diffuse into the cubes. You will be able ...

Accuracy Deviation of the Cricket Thermometer

Crickets chirp at regular intervals. The length of the interval depends upon the temperature. This project is not necessarily to demonstrate that this is true- it is- but to quantify exactly how accur ...

Growing Younger

People spend so much time and effort trying to look younger. Many an aging beauty longs for a Fountain of Youth. In fact, a recent internet keyword search for “anti-aging products” turned out nearly 6 ...

Natural vs. Synthetic Antibiotics: Which Works Better?

The purpose of this project is to test the efficacy of both synthetic and natural antibiotics. Cultures of benign bacteria will be grown in the presence of both a common antibiotic, and a natural chem ...

Caffeine and The Placebo Effect

Although the use of coffee for ergogenic purposes is socially accepted, it is addictive. When consumed on a daily basis, the body develops a tolerance. With this addiction comes withdrawal syndrome: C ...

Cellular Phones & Driving: What is the impact of cell phone usage during driving?

Today, automobile manufacturers offer options to integrate cell phones so it seems as if driving and talking on the phone go hand in hand? Studies have compared the effect of driving while on the phon ...

Is There an "A" in Chess?

Much is made about the positive effect of playing chess on cognitive abilities like critical thinking and pattern recognition. But is it really true that chess improves cognitive functioning? If so, i ...

Are Designer Shampoos Worth It?

What are the differences between drugstore brand and expensive salon brand shampoos? Do you really get what you pay for? We will test these shampoos and examine hair structure under the microscope to ...

E.T. Do Math

Hipervinculo Matemáticas

E.T. Do Math

No one knows for sure if intelligent extraterrestrial life exists or ever existed. But many believe intelligent beings live elsewhere, despite a complete lack of compelling physical evidence. Why do s ...

Which Exercise Gives Your Heart and Muscles the Best Workout?

This science project determines the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.IntroductionIt is an educatio ...

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