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<META NAME="AUTHOR" CONTENT="Lisa Leonor Grable">	
<META NAME="DESCRIPTION" CONTENT="Student activities for life science or physical science using eggs.
(Science Junction, an on-line community of science researchers, teachers, and students sponsored by NC State University">
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<TITLE>Science Junction - Egg-cellent Adventures</TITLE>																																							
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		<A href="http://www.ncsu.edu"/sciencejunction/station/experiments/EGG/egg.html"><SPACER type="horizontal" Size="10">Egg-cellent Adventures</A>
 
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		<A href="http://www.ncsu.edu"/sciencejunction/station/experiments/EGG/enter_document_name.html"><SPACER type="horizontal" Size="10">Chemistry in the Kitchen</A>
 
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		<TR><TD><SPACER type="horizontal" Size="125">LIFE SCIENCES: "A Very Big Cell"
		 <SPACER type="vertical" Size="3"><SPACER type="horizontal" Size="125"><A href="http://www.ncsu.edu"/sciencejunction/station/experiments/EGG/egg.html#Osmosis#Biochemistry">Biochemistry of the Egg Shell</A>
		 <SPACER type="vertical" Size="3"><SPACER type="horizontal" Size="125"><A href="http://www.ncsu.edu"/sciencejunction/station/experiments/EGG/egg.html#Osmosis#Osmosis">Diffusion and Osmosis in Animal Cells</A> 
	<SPACER type="horizontal" Size="125">PHYSICAL SCIENCES
		 <SPACER type="vertical" Size="3"><SPACER type="horizontal" Size="125"><A href="http://www.ncsu.edu"/sciencejunction/station/experiments/EGG/egg.html#Osmosis#Pizza">Flying Pizza Pan Egg Drop</A> </TD>


		
		<TR><TD >Using eggs for science experiments can be fun and easy. Chicken eggs from the grocery store come in standardized sizes and are fairly inexpensive. Be careful with the eggs as you experiment - if they break as you are working they will make a big mess and you will be at risk because of salmonella. Be sure to wash everything (and yourself) with warm, soapy water. You may also want to use a disinfectant. Ask for adult permission.
 
For some of these experiments you will need hardboiled eggs. Ask for adult permission or assistance with using the stove. Place the eggs in the bottom of a saucepan. Fill it with enough cold water to cover the eggs. Place the saucepan on a burner over high heat until the water is boiling. Once the water is boiling, set a timer for 10 minutes. After 10 minutes, remove the saucepan from the burner (be sure to turn it off!) and place the pan in the sink. Run cold water over the eggs until they are cool to touch. Put the eggs in the refrigerator. Any extra eggs that you don't use for experiments can be used for egg salad! </TD>





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LIFE SCIENCES: "A Very Big Cell" <A NAME="Biochemistry"></A>BIOCHEMISTRY OF THE EGG SHELL <IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/b530e205e048f7ca1008bb1d0fc23316" border=0>How does the egg shell behave in an acid environment? 
 <SPACER type="horizontal" Size="30">NOTE: Vinegar is an acid (acetic acid, CH3COOH). <SPACER type="horizontal" Size="30">White vinegar from the grocery store is usually a 5% solution. <IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/9efd69951f0561575e10587e4cfc6feb" border=0> 
Materials<UL>
<li>3 raw eggs
<li>3 jars with lids (larger than an egg, clean jelly, olive, or pickle jars)
<li>white vinegar, enough to fill the 3 jars
<li>measuring tape (vinyl one for sewing is good)
<li>kitchen scale (optional)
<li>paper towels</UL> 

Procedures <SPACER type="horizontal" Size="40"><UL>You will be pouring vinegar over the eggs in the jars to observe the changes over the 3 day period. 

<li>How will you find the size of each egg before experimenting? Make a chart for all the measurements you take for the three eggs.</li> 

<li>What other measurements do you need (for the jars, the vinegar?) Add these to your table.</li> 

<li>Think about how you will put the eggs in vinegar for 3 days and what observations you need to record. How often will you check the eggs? Make a chart to record your observations.</li> 

<li>After 72 hours, carefully pour the vinegar off the eggs. Rinse them gently with water and pour off. Keeping track of which egg is which, carefully dry them with paper towel and repeat the measurements you made before the treatment. Save the eggs for the next investigation. Make a chart to record the new measurements.</li></UL> 

Thinking About It<UL>Compare the appearance and measurements of the eggs before and after the acid treatment. The egg shell is made of calcium carbonate. Write a sentence describing the reaction of vinegar with calcium carbonate. What other substances contain calcium carbonate?</UL>
 
<SPACER type="horizontal" Size="40"><IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/a61295353a6690b765c5db60becc1a5e" border=0>
 
 
 




<A NAME="Osmosis"></A>DIFFUSION AND OSMOSIS IN ANIMAL CELLS <IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/b530e205e048f7ca1008bb1d0fc23316" border=0>How do different solutions affect an animal cell? 

<IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/b530e205e048f7ca1008bb1d0fc23316" border=0>Do substances pass through the cell membrane? <SPACER type="horizontal" Size="30">You can make different solutions to test your three egg cells. For instance, <SPACER type="horizontal" Size="30"><SPACER type="vertical" Size="2">a 10% sugar solution could be made by adding 50 ml of corn syrup to 450 ml <SPACER type="horizontal" Size="30"><SPACER type="vertical" Size="2">of water. A salt solution can be made by adding table salt to water.
 <IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/9efd69951f0561575e10587e4cfc6feb" border=0>
 Materials
<UL>
	<li> 3 eggs from previous investigation</li>
	<li>3 clean jars with lids (larger than the eggs)</li>
	<li>3 liquids for testing (such as distilled water, sugar solution, salt solution)</li>
	<li>measuring tape</li>
	<li>kitchen scale (optional)</li>
	<li>paper towels</UL> 

Procedures <SPACER type="horizontal" Size="40"><UL>You will be pouring test solutions over the eggs in the jars to observe changes over 1 to 2 days. 

<li>How will you find the size of each treated egg cell before experimenting? Make a chart for all the measurements you take for the three eggs.</li> 

<li>What other measurements do you need? Think about the solutions and the jars. Add these to your table.</li> 

<li>Think about what observations you need to record as the eggs sit in their "baths." How often will you check the eggs? Make a chart to record your observations.</li> 

<li>After 24 or 48 hours, carefully pour the liquids off the eggs. Keeping track of which egg is which, carefully dry them with paper towel and repeat the measurements you made before the treatment. Make a chart to record the new measurements. You may wish to take a photograph of your eggs.</li></UL> 

Thinking About It<UL>Compare the apearance and measurements of the eggs before and after the liquid treatment. Try to explain each solution's effect on the egg. 
<IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/b530e205e048f7ca1008bb1d0fc23316" border=0>Was water passing into or out of the egg? 
<IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/b530e205e048f7ca1008bb1d0fc23316" border=0>Are there other possibilities? 
<IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/b530e205e048f7ca1008bb1d0fc23316" border=0>Look up the definitions of OSMOSIS and DIFFUSION. 
<SPACER type="horizontal" Size="30">How are these seen in your experiment? 
<IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/b530e205e048f7ca1008bb1d0fc23316" border=0>How could you design an experiment to test different sugar solutions?</UL>
 
<SPACER type="horizontal" Size="40"><IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/a61295353a6690b765c5db60becc1a5e" border=0>
 
 



 PHYSICAL SCIENCES <A NAME="Pizza"></A>FLYING PIZZA PAN EGG DROP <IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/b530e205e048f7ca1008bb1d0fc23316" border=0>How do forces affect motion of objects?
 <IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/b530e205e048f7ca1008bb1d0fc23316" border=0>What if the force doesn't act directly on an object, <SPACER type="horizontal" Size="30">just on another nearby object?
 <IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/b530e205e048f7ca1008bb1d0fc23316" border=0>Does the shape of the object make a difference in how it moves? 
 <SPACER type="horizontal" Size="30">You can test motions of a pizza pan, toilet paper tubes, and eggs <SPACER type="horizontal" Size="30">using a broom handle to apply force.
 
 <IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/373dc90c9b6d5eeda3313bf238aacefa" border=0> 
Materials
<UL>
<li>4 eggs</li>
<li>pizza pan</li>
<li>4 empty toilet paper tubes</li>
<li>4 cups</li>
<li>broom (a traditional broom works best)</li>
<IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/c1e9d1bcc31033751e066b5ac32550e2" > 
adapted from the University of Minnesota Physics Demonstrations, <a href="http://www.physics.umn.edu/groups/demo/demo_gifs/1F20_35.GIF">http://www.physics.umn.edu/groups/demo/demo_gifs/1F20_35.GIF</a></UL> 


Procedures 
<UL>
<li>Lay the broom flat on the ground. Place one foot on the straw below the stitching, then lift the broom handle with your hands. Is it easy or hard to do? What happens when you let go of the handle? Explain this.</li> 

<li>Place the pizza pan on top of the cups on a table or countertop. Step on the broom and hold the handle so that when let go it will hit the pan. Observe what happens. Describe the directions of the motions.</li> 

<li>Set up the pizza pan again with the 4 tubes standing on it. Carefully observe the motion of the tubes. Does the broom hit the tubes? Which end of a tube is feeling a force? Where does this force come from? Draw sketches showing the falling of the tubes.</li> 

<li>Make a prediction. When eggs are placed on top of the tubes how will they move after the broom hits? Use the cups to try to catch the eggs according to your prediction. Try it! (Remember, if the eggs break, clean up the mess and yourself with warm, soapy water.)</li> 

<li>You may wish to take a photograph or video of flying eggs.</li></UL> 

Thinking About It<UL>"Two objects in contact with one another will both move in the same direction when one of the objects has a force applied to it." <IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/b530e205e048f7ca1008bb1d0fc23316" border=0>Do you agree or disagree with this sentence from your observations <SPACER type="horizontal" Size="30">of this experiment? <IMG SRC="/webroot/resource_cache/652b52e58a7fc77ec75c32c78e544a6a/470b9469ce51b3090617c10584d61e12/b530e205e048f7ca1008bb1d0fc23316" border=0>What is your evidence?</UL>
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 Last updated 11/22/98. 


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Zoology is the study of animals, from tiny ants to giant elephants. By studying zoology, we can learn about the amazing diversity of life on earth and how we can protect it for future generations.

With the use of eggs, this experiment shows you how different solutions affect an animal cell. The experiment also answers the question of whether substances can pass through a cell membrane.

Are you curious about how different solutions affect an animal cell? Join us in this experiment to observe if substances pass through the cell membrane!

Diffusion and Osmosis in Animal Cells

Diffusion and osmosis in animal cells

<h1>1000 Science Fair Project Ideas by Subject</h1>Looking for a science fair project idea? Each of our science fair project idea has complete instructions with video. Get ideas for your science projects, find extra resources for your class' scientific projects, or try a fun experiment at home! It doesn't matter what grade you're in, there's something for everyone!You can find your perfect science fair project from the different science subjects below or from our <a href="https://www.all-science-fair-projects.com/category0.html#bottom">science fair project idea lists!</a>

<h2>Science Fair Project Idea Lists</h2>Looking for other ways to find good ideas for science fair projects? Check out these lists of science projects!<hr style="clear:both; border-style:dotted" data-marker="clearFloat"><h3>Easy Science Fair Projects</h3><img src="/images2/flex/176_popular 2 (2).png" data-size="100" data-float="left" style="width:100px; float:left">Explore the exciting world of science with an easy science fair project that you can do at home using simple materials. Any one of these easy project ideas will teach you important scientific concepts and help you have fun while learning. An easy science fair project is a great way to introduce the wonders of science to kids and adults alike!<hr style="clear:both; border-style:dotted" data-marker="clearFloat"><ul><li>Changing the Color of Flowers</li><li>Baking Soda Volcano</li><li>Swimming Raisins</li><li>Egg in Vinegar</li><li>Color of Skittles Experiment</li><li>Jumping Rice Krispies</li><li>Mixing Colors of Light</li><li>Camouflage and Hide</li><li>Light and Dark on Seed Germination</li><li>Make a Parachute</li></ul>More science project details at <a href="https://www.all-science-fair-projects.com/science_fair_project_list/12">Easy Science Fair Projects →</a><hr style="clear:both; border-style:dotted" data-marker="clearFloat"><hr style="clear:both; border-style:dotted" data-marker="clearFloat"><h3>The Top 10 Best Science Fair Projects</h3><img src="/images2/flex/177_popular 2 (3).png" data-size="100" data-float="left" style="width:100px; float:left">To find the best science fair project for you, we've picked the best science projects from 10 different science categories, all with very interesting topics. If you're looking for more science projects at another difficulty level or topic, you can explore science fair project ideas by grade level at the top of this page!<hr style="clear:both; border-style:dotted" data-marker="clearFloat"><ul><li>Jet Lag in Hamsters (circadian rhythm, Biology science fair project)</li><li>Egg with Vinegar (acid-base reaction, Chemistry science fair project)</li><li>Galileo's Inclined Plane Experiment (acceleration, Physics science fair project)</li><li>Plant's Favorite Color for Photosynthesis (Photosynthesis, Botany science fair project)</li><li>Color and Taste (color perception, Psychology science fair project)</li><li>Does Dog Saliva Kill Bacteria? 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In this list, we've highlighted one-day science fair project ideas for elementary school (easy), middle school (medium), or high school (hard). These experiments are fast and easy to do, but the science topic packs a punch!<hr style="clear:both; border-style:dotted" data-marker="clearFloat"><h4>Acid-base reactions: Mixing acids with bases quickly makes carbon dioxide gas!</h4><ul><li><a href="https://www.all-science-fair-projects.com/project830.html">Rocket Film Canisters (easy) </a>Make a rocket fly sky high with just baking soda and vinegar!</li><li><a href="https://www.all-science-fair-projects.com/project829.html">Make Your Own PH Indicator (medium) </a>Learn how to make your own acid-base indicator using red cabbage and use it to test different fluids!</li><li><a href="https://www.all-science-fair-projects.com/project1327.html">Testing Antacids (hard) </a>Find out which antacid can neutralize the most acid and get relief from heartburn and gastritis!</li></ul><h4>Chromatography reactions: Separating out colors as liquid moves through the paper!</h4><ul><li><a href="https://www.all-science-fair-projects.com/project826.html">Colors of Skittles Experiment (easy) </a>Did you know that some Skittles have a secret rainbow hiding inside them?</li><li><a href="https://www.all-science-fair-projects.com/project678.html">Uncovering Fall Colors (medium) </a>Have you ever wondered why leaves change color in the fall? Let's find out by using chromatography to separate the colors of a green leaf!</li></ul><h4>Heat reactions: Heat speeds things up!</h4><ul><li><a href="https://www.all-science-fair-projects.com/project274.html">Which Candle Burns the Fastest? (easy) </a>Do you want to find out which color candle burns the fastest?</li><li><a href="https://www.all-science-fair-projects.com/project1291.html">Fire-Resistant Balloons (medium) </a>Ever wondered if a balloon filled with water can withstand fire?</li><li><a href="https://www.all-science-fair-projects.com/project475.html">Can Peanuts Heat Water? (hard) </a>Have you ever wondered if peanuts have enough energy to heat up water?</li></ul>Project details at <a href="https://www.all-science-fair-projects.com/science_fair_project_list/15/Quick_Science_Fair_Projects_You_Can_Do_In_A_Day">Quick Science Fair Projects →</a><hr style="clear:both; border-style:dotted" data-marker="clearFloat"><hr style="clear:both; border-style:dotted" data-marker="clearFloat"><h3 style="text-align: start">Testable Questions for Science Projects</h3><img src="/images2/flex/173_popular 2.png" data-size="100" data-float="left" style="width:100px; float:left">A testable question is a question that we can answer through a science experiment. To do this, we do a control experiment, then we change one thing in the experiment to see how it affects what happens. 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Science museums, natural history museums, space museums, and discovery museums are all great places to do that! You can discover all sorts of interesting things about science and find cool project ideas for science fairs.There may be free admission days or free passes to a science museum near you! Check your credit card for offers, your local library for free museum passes, and nearby science museums for free entrance days.So what are you waiting for? <a href="https://en.wikipedia.org/wiki/List_of_science_museums">Find a science museum near you</a> and prepare to be awed by all that you can learn there!<hr style="clear:both; border-style:dotted" data-marker="clearFloat"><h4>Look around and observe</h4><img src="/images2/flex/117_5.png" data-size="100" data-float="left" style="width:100px; float:left">Do you know how scientists start their cool projects? They often look around and notice things that are interesting or make them curious. Then they start doing an experiment! You can do the same! Look around your school, home, or community. Is there anything that catches your attention and makes you curious? Maybe you notice something interesting or a problem that people are facing. This could be a great starting point for your science fair project!<hr style="clear:both; border-style:dotted" data-marker="clearFloat"><h4>Try an Easy Science Project!</h4><img src="/images2/flex/144_easy square.png" data-size="100" data-float="left" style="width:100px; float:left">These science projects are easy and fun to do. You may discover a simple experiment that sparks your interest and inspires you to do more experiments, turning it into a science fair project! Check them out at <a href="https://www.all-science-fair-projects.com/science_fair_project_list/12">Easy Science Fair Projects →</a><hr style="clear:both; border-style:dotted" data-marker="clearFloat"><hr style="clear:both; border-style:dotted" data-marker="clearFloat"><h3 style="text-align: start">How do I start a science fair project?</h3><img src="/images2/flex/199_science coach.png" data-size="100" data-float="left" style="width:100px; float:left">No matter if you're in high school, elementary or middle school, science fair projects are a fun and unique way to discover science by asking a question and doing a science project. We'll help you find a science fair project idea and guide you through the process of doing and presenting your science fair project with <a href="https://www.all-science-fair-projects.com/science_fair_projects_coach/science-project-coach.html">Science Fair Coach's Science Fair Project Guide</a>.<hr style="clear:both; border-style:dotted" data-marker="clearFloat"><h3>What should I do after I have a science fair project idea?</h3><img src="/images2/flex/143_intro science fair.png" data-size="100" data-float="left" style="width:100px; float:left">If you have a science fair project idea, Science Fair Coach can help you turn it into a full science fair project! Starting at the <a href="https://www.all-science-fair-projects.com/pgpage/4">Introduction to Science Fairs</a>, check out the section on How to do a science fair project for a step-by-step guide!<hr style="clear:both; border-style:dotted" data-marker="clearFloat"><img src="/images2/flex/203_compared to scientific method.png" data-size="100" data-float="left" style="width:100px; float:left">We'll guide you through every step of the <a href="https://www.all-science-fair-projects.com/pgpage/5">scientific method</a>, from designing and conducting your experiment to collecting and analyzing your findings.<hr style="clear:both; border-style:dotted" data-marker="clearFloat"><img src="/images2/flex/202_engineering design process.png" data-size="100" data-float="left" style="width:100px; float:left">If you're working on an engineering project, you can head over to <a href="https://www.all-science-fair-projects.com/pgpage/9">The Guide to the Engineering Design Process</a>.<hr style="clear:both; border-style:dotted" data-marker="clearFloat"> <img src="/images2/flex/150_science fair poster.png" data-size="100" data-float="left" style="width:100px; float:left">Finally, we'll help you showcase your results on a <a href="https://www.all-science-fair-projects.com/pgpage/7">science fair board</a> for others to learn from and enjoy.<hr style="clear:both; border-style:dotted" data-marker="clearFloat"><hr style="clear:both; border-style:dotted" data-marker="clearFloat"><h3 style="text-align: start">How do I make a science fair board?</h3><img src="/images2/flex/150_science fair poster.png" data-size="100" data-float="left" style="width:100px; float:left">Your science fair board is where you show off your science fair project for everyone to see and learn from. With <a href="https://www.all-science-fair-projects.com/science_fair_projects_coach/science-project-display-board-6a.html">Science Fair Coach's step-by-step guide</a>, you can make sure your science fair board stands out and impresses at the science fair!<hr style="clear:both; border-style:dotted" data-marker="clearFloat"><hr style="clear:both; border-style:dotted" data-marker="clearFloat"><h3>Where can I find a science fair competition?</h3><img src="/images2/flex/179_Intro Science Fair Projects 32.png" data-size="100" data-float="left" style="width:100px; float:left">Science fair competitions are an excellent opportunity to explore science. One of the of the premier science advocacy organizations, the Society for Science, is associated with more than 400 science fair competitions in almost every US state, as well as over 70 other countries, regions, and territories. You can find out if there's a <a href="https://findafair.societyforscience.org/">Society of Science affiliated science fair</a> near you!The <a href="http://physics.usc.edu/~gould/ScienceFairs/">The www Virtual Library: Science Fairs website</a> also has a collection of science fairs from all over the world, as well as national, state, regional, local, and virtual competitions!<hr style="clear:both; border-style:dotted" data-marker="clearFloat">

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All Science Fair Projects

1000 Science Fair Projects with Complete Instructions