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A pulley is a mechanical device that can be used to lift heavily objects more easily. Pulleys consist of a wheel that rotates on an axle—which is a rod through the center of the wheel—and a rope, cabl ...
When you send your trash to the landfill, what happens to it? It may get buried under loads of landfill waste. If some of your waste is organic material like vegetables and fruit, this means that it w ...
Digestive enzymes help your body break down your food. It’s hard to obtain many human digestive system enzymes (without vomiting, that is!), but luckily, one of them is sold as a tablet in many drug s ...
Hipervinculo Biología
Some say a tomato is a fruit. Some call it a vegetable. Most of us are not entirely sure which is which. And what about flowers? This project defines and classifies edible plants, and makes for a tast ...
Hipervinculo Biología
Vitamin C is important to health. It helps prevent scurvy. It also helps the body heal itself.In this investigation, three different juices are tested to determine which juice contains the greatest am ...
Hipervinculo Biología
This project determines whether the darkness of a closed refrigerator helps prevent food from spoiling.It is an educational content by education.com.By clicking on the title of this resource, you will ...
Hipervinculo Biología
There’s about to be a baby boom! In this experiment, you’ll draw marbles from two different cups to create a really big pretend family of boys and girls.How did you become a boy or a girl? It happened ...
Hipervinculo Geología
Ocean waves erode the coastline. The sand they remove is shifted to another location. This paradoxical effect can strip beaches in one location and create them in another. We'll observe this effect by ...
Magma is a mixture of molten rock and solids, found deep underneath the surface of the earth. It's most commonly associated with volcanoes, which shoot lava,which is magma that has come up from underg ...
Hipervinculo Geología
In this project, you will make your own mini-mountain, and then make a contour map of your mountain.It is an educational content by education.com.By clicking on the title of this resource, you will be ...
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