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Others Like “Bones and Calcium”

Science Fair Project Idea
thumbnail Have you ever wondered how a chick breathes inside its shell? Every animal needs oxygen to survive, so the chick must get air somehow! Try this science project to discover the answer. Read more
Zoo_p046
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Thoroughly clean any surface the raw eggs touched because they can carry Salmonella.
Science Fair Project Idea
Animals come in all shapes and sizes, each a small part of the amazing diversity of life. These differences can also help us to classify animals into different groups. Which group do you belong to? How many different types of animals can you find around your home? Do this experiment to investigate the diversity of animal life around your home. Read more
Zoo_p015
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No hazards
Science Fair Project Idea
thumbnail Have you ever stood close to a fossilized T. rex skull and counted its razor-sharp teeth? Or, have you seen a fossilized stegosaurus skeleton and thought about how it defended itself with tail spikes and armored plates? A trip to a natural history museum lets you imagine what dinosaurs looked like and wonder what life with them on Earth was like. Fossils give us information about animals and plants that lived long ago. Certain places around the world contain more fossils than others. Why?… Read more
Geo_p046
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Time Required Short (2-5 days)
Prerequisites None.
Material Availability Readily available.
Cost Low ($20 - $50)
Safety This project uses plaster of Paris. Read and follow the safety instructions on the packaging, including wearing gloves and avoiding breathing in the dust. Adult supervision is required.
Science Fair Project Idea
thumbnail Planning on getting a new puppy soon? Why not use some of your play time with puppy to study growth rates and puppy development? You can easily chart a young puppy's weekly weight and growth over several months to compare how quickly body dimensions and bone lengths change. While this project may take some time, it's well worth the effort. You might be amazed at the dramatic growth of your "canine kid," and what other project combines science with as much fun, or a more adorable subject? Read more
MamBio_p018
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Time Required Very Long (1+ months)
Prerequisites Comfortable with and access to a puppy 7–10 weeks old
Material Availability Readily available
Cost Very Low (under $20)
Safety No hazards
Science Fair Project Idea
thumbnail If you have ever prepared a cup of coffee or tea with sugar, you have probably seen that the grains of sugar quickly dissolve and completely disappear in hot water. But sugar is not the only type of solid that can readily dissolve in a liquid. In fact, there are some types of rocks that can be dissolved by common liquids. It might be hard to imagine large, hard rocks being eaten away by some ordinary fluids, right? But it actually happens all the time! In this geology science project, you will… Read more
Geo_p047
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Small limestone rocks are needed to do this science project. See the Materials and Equipment list for details. Note: The listed time required to do this science project includes shipping time.
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
Do you like skeletons? One of the more interesting jobs at a natural history museum is the creation and care of the skeletons and bones. How do the curators clean and put together the skeletons? Many curators use the carrion beetle, Dermestes vulpinus, to quickly clean off the dead animal tissue from a corpse to reveal the skeleton. These insects do such a good job that sometimes the skeleton remains intact! Another method is to slow cook the carcass until the meat falls off. You can use… Read more
Zoo_p038
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Time Required Long (2-4 weeks)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Use only food-grade animals for this project. Do not use roadkill or other dead animals from unknown sources, as such animals might have died from diseases. Wear gloves and safety goggles, and use caution when handling bleach and other chemicals. Adult supervision is recommended.
Science Fair Project Idea
The oceans are a precious natural resource, part of Earth's carbon cycle. But what happens if the oceans absorb too much carbon dioxide? Many scientists are concerned that the increased absorption of carbon dioxide is causing them to become more acidic. What impact does that have on the marine life? In this ocean science fair project, you will demonstrate ocean acidification and investigate the effect on the shells of marine life. Read more
OceanSci_p013
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Time Required Very Long (1+ months)
Prerequisites An understanding of basic chemistry is required. You will need access to a precise and fine-resolution digital scale and to a digital camera.
Material Availability Specialty items are required. See details in the Materials & Equipment list.
Cost Average ($50 - $100)
Safety Minor injury possible. This science fair project requires using a hammer to break shells. Use caution and wear safety goggles when working with tools.
Science Fair Project Idea
thumbnail Are you fascinated by dinosaurs, fossilized bones, and fossilized plants? Although this project is not based on actual fossils, you will get good practice at reconstructing an animal's skeleton from individual bones. You'll use what you find to identify the types of prey that owls consume. Read more
Geo_p015
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Specialty items
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
thumbnail Do you want your hair to be shiny after you wash it? Do you want your clothes to stay bright and soft after laundering, and last a long time? You might think that a special shampoo or detergent can make this happen, but in this chemistry science fair project, you'll discover that how well people and things get clean has a lot more to do with the type of water used for washing than any special shampoo or soap. Did you know that water can be classified as either soft or hard? Soft water lathers… Read more
Chem_p094
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety Be sure to wear safety goggles if you are using glass jars for testing.
Science Fair Project Idea
thumbnail Physical activity is needed for maintaining normal bone strength and mass. Can physical stress on finger bones during development lead to an increase in finger length? Check out this project to see how violin players are an example of a "natural experiment" that you can use to answer this question. Read more
Music_p014
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Time Required Very Long (1+ months)
Prerequisites Informed consent must be obtained from every participant in this experiment (parental consent must be granted for minors). In addition, the experimental design (including consent forms) must be approved by the fair's scientific review committee (SRC).
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
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