Here are some experiments you can do with eggs. Have fun!!!
The Disappearing Egg Shell/Naked Egg Experiment
Do you want to see an eggshell disappear like magic? Let's see it happens.
Materials:
Raw eggs
Vinegar
Glass jar with lid
Spoon
Food coloring (optional)
Experiment: Add vinegar to a jar (with a lid). You will need to make sure you will be able to cover the egg completely with vinegar. You can add food coloring to the vinegar if you like. If you use food coloring, add some food coloring to the vinegar and stir with a spoon. Place a raw egg on a spoon and place gently inside the jar, Seal the jar tight. (Note: Remember to wash your hands after touching a raw egg.) Observe and see the bubbles form. More bubbles will form around the egg as days goes by. (The egg will turn around.) Observe it each day to see what happens. This will be until the bubbles almost completely disappear. Remove it from the bottle of vinegar. As you touch it, it will feel rubbery. Save it for the next experiment.
Here are some photos I took back in April 2003. I didn't take anymore photos when the eggshell was totally dissolved.
April 23 12:05 a.m.
April 23, 2003 10:49 a.m.
As you can see, the eggshell is starting to disappear (dissolve). You can see what happens when you place an egg in vinegar. It will turn a light brown color as you can tell in the photos. A chicken eggshell contains between 95-97% calcium carbonate. Human teeth contain hydroxyapatite, which is crystalline calcium phosphate. This is one reason why they say to dilute vinegar if you are going to drink it. Vinegar will eat you teeth just like it will eat an eggshell.
Bouncing Egg Experiment
Do you want to have some fun with the egg where the shell disappeared like magic? Well, we are going to have some fun now.
Experiment: Use your egg without a shell. Bounce the egg on a plate. (Caution: Make sure you don't squeeze it with your fingers or it will break-unless you want to.) It will only bounce a little bit before it breaks. Note: Remember to wash your hands after touching a raw egg.
Spin An Egg Experiment
Have you ever wondered if an egg is cooked or raw? Well, you can do an experiment to find out.
Experiment: Lay an egg on a smooth, hard surface. Take an egg and gently spin it using your fingers. Observe if it spun fast or if it wobbles and moves slow. A hard boiled egg will spin. The raw egg will wobble and hardly move at all. This is because the raw egg has liquid inside. Note: Remember to wash your hands after touching a raw egg.
Test An Egg For Freshness Experiment
Place a raw egg in a container of water.
If it sinks to the bottom, it is the freshest,
If it sinks down almost down to the bottom, it is still fresh. (It may be about a week old or so.)
If it floats, it is a bad egg (at least three weeks old).
Links
Egg freshness Test in Water | Egg Cooker Guide
How Fresh Are Your Eggs? | The Spruce Eats
The Disappearing Egg Shell/Naked Egg Experiment
Do you want to see an eggshell disappear like magic? Let's see it happens.
Materials:
Raw eggs
Vinegar
Glass jar with lid
Spoon
Food coloring (optional)
Experiment: Add vinegar to a jar (with a lid). You will need to make sure you will be able to cover the egg completely with vinegar. You can add food coloring to the vinegar if you like. If you use food coloring, add some food coloring to the vinegar and stir with a spoon. Place a raw egg on a spoon and place gently inside the jar, Seal the jar tight. (Note: Remember to wash your hands after touching a raw egg.) Observe and see the bubbles form. More bubbles will form around the egg as days goes by. (The egg will turn around.) Observe it each day to see what happens. This will be until the bubbles almost completely disappear. Remove it from the bottle of vinegar. As you touch it, it will feel rubbery. Save it for the next experiment.
Here are some photos I took back in April 2003. I didn't take anymore photos when the eggshell was totally dissolved.
April 23 12:05 a.m.
April 23, 2003 10:49 a.m.
As you can see, the eggshell is starting to disappear (dissolve). You can see what happens when you place an egg in vinegar. It will turn a light brown color as you can tell in the photos. A chicken eggshell contains between 95-97% calcium carbonate. Human teeth contain hydroxyapatite, which is crystalline calcium phosphate. This is one reason why they say to dilute vinegar if you are going to drink it. Vinegar will eat you teeth just like it will eat an eggshell.
Bouncing Egg Experiment
Do you want to have some fun with the egg where the shell disappeared like magic? Well, we are going to have some fun now.
Experiment: Use your egg without a shell. Bounce the egg on a plate. (Caution: Make sure you don't squeeze it with your fingers or it will break-unless you want to.) It will only bounce a little bit before it breaks. Note: Remember to wash your hands after touching a raw egg.
Spin An Egg Experiment
Have you ever wondered if an egg is cooked or raw? Well, you can do an experiment to find out.
Experiment: Lay an egg on a smooth, hard surface. Take an egg and gently spin it using your fingers. Observe if it spun fast or if it wobbles and moves slow. A hard boiled egg will spin. The raw egg will wobble and hardly move at all. This is because the raw egg has liquid inside. Note: Remember to wash your hands after touching a raw egg.
Test An Egg For Freshness Experiment
Place a raw egg in a container of water.
If it sinks to the bottom, it is the freshest,
If it sinks down almost down to the bottom, it is still fresh. (It may be about a week old or so.)
If it floats, it is a bad egg (at least three weeks old).
Links
Egg freshness Test in Water | Egg Cooker Guide
How Fresh Are Your Eggs? | The Spruce Eats
No comments:
Post a Comment