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Didactalia: material educativo > 12-14 anos

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Waves Intro

Hipervinculo Física

Waves Intro

Make waves with a dripping faucet, audio speaker, or laser! Adjust frequency and amplitude, and observe the effects. Hear the sound produced by the speaker, and discover what determines the color of l ...

What’s in a food? - Project for kids (CREST Awards)

In this project you will test a range of foods to find out if they contain protein, reducing sugar, fat or starch. You will then do an experiment to work out how much energy is in each of the foods. F ...

Make a tornado in a bottle-Experiments for kids (Haz un tornado en una botella)

Learn how to make a tornado in a bottle with this fun science experiment for kids. Using easy to find items such as dish washing liquid, water, glitter and a bottle you can make your own mini tornado ...

Washing Detergent & Hydrophobic Soil

This project evaluates the ability of a biodegradeable dish detergent to increase the penetration of water in hydrophobic soils.The goal is to have the student formulate and test a hypothesis about th ...

Planting By the Moon

This project examines the influence of the phase of the moon on moisture capillarity in garden soil. The goal is to have the student test a hypothesis about seed germination and the phases of the moon ...

Water Content

Hipervinculo Biología

Water Content

We often wonder how much water is in the foods we eat. We're also fascinated to learn that we ourselves are made of more than 95% water. In this experiment we test the water content of substances foun ...

Osmosis: Why Do Our Fingers Prune When Immersed in Water?

In this study we will be examining the movement of water. Using a model of a cell we will demonstrate how our fingers prune when in water.It is an educational content by education.com.By clicking on t ...

Tumbling Rocks!

Tumbling is a technique used for smoothing and polishing a rough surface on small particles. Professional rock polishers help jewelers polish stones by imitating the abrasion of rocks in nature. The n ...

Salinity & Water Density

Cold water is denser than warm water. Water with a high salt concentration (salinity) is denser than water that has a lower salt concentration. Warmwater rises above densercolder water, and bodies of ...

Frozen Salt

Hipervinculo Química

Frozen Salt

Does adding salt to water lower its freezing point?It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content. If you want to downlo ...

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