Play and Freeze - Having Fun Making Ice Cream

!±8± Play and Freeze - Having Fun Making Ice Cream

Steve and a few friends make ice cream using a Play and Freeze ball which uses ice and rock salt in one end and ice cream mix in the other end. After about 20 min of shaking, passing, and rolling it around, you have some delicious homemade ice cream! AboutSteve Spangler Science... Steve Spangler is a celebrity teacher, science toy designer, speaker, author and an Emmy award-winning television personality. Spangler is probably best known for his Mentos and Diet Coke geyser experiment that went viral in 2005 and prompted more than 1000 related YouTube videos. Spangler is the founder of www.SteveSpanglerScience.com, a Denver-based company specializing in the creation of science toys, classroom science demonstrations, teacher resources and home for Spangler's popular science experiment archive and video collection. Spangler is a frequent guest on the Ellen DeGeneres Show where he takes classroom science experiments to the extreme. Check out his pool filled with 2500 boxes of cornstarch! Cool Science Toys - www.SteveSpanglerScience.com Sign up for the Experiment of the Week - http Watch Spangler's Science Videos - www.stevespanglerscience.com Attend a Spangler Hands-on Science Workshop for Teachers - www.stevespanglerscience.com Visit Spangler's YouTube Channel - www.youtube.com Join the conversation on Steve Spangler's blog - www.SteveSpangler.com Additional Information On the education side, Spangler started his career as a science teacher in the Cherry Creek School district ...

Play and Freeze - Having Fun Making Ice Cream

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Freeze broiled ice-cream bar

!±8± Freeze broiled ice-cream bar

How do you make an Astronaut freeze dried ice-cream bar? Friend me on Facebook http;//www.facebook.com/seansymons I am going on a 50 mile hike. One thing I am taking with me is freeze dried foods. Im testing out a freeze dried ice cream bar... YUM!!!

Freeze broiled ice-cream bar

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What Is the Difference Between Dehydrated Foods and Freeze Dried Foods?

!±8± What Is the Difference Between Dehydrated Foods and Freeze Dried Foods?

Are you wondering what the differences are between freeze dried foods and dehydrated foods? There are a number of differences. First of all, the processes used to preserve the food and prevent spoilage and enzymatic breakdown are very different. Other factors you may want to consider are cost, shelf life, taste, texture, and nutritional value.

Dehydration removes moisture from the food by the circulation of hot dry air. The water evaporates. This prevents the growth of microorganisms. Oxygen, heat, light, and moisture all contribute to the breakdown of nutrients and spoilage of food. Due to the use of heat, some of the nutritional value will be lost. Using an electric dehydrator will preserve more nutrients than some of the other methods of dehydration. Dehydrated food is light and generally less expensive than freeze dried food.

However, it does have more changes to texture, aroma, taste, and nutritional value. It can have a shelf life of up to twelve years when stored properly. Re-hydration time is generally up to 20 minutes in boiling water and can be up to two hours in cold water.

Freeze drying removes water from the food by sublimation. The food is sealed in a vacuum chamber which forces the air out. Freeze drying uses temperatures between -50 degrees Celsius and -80 degrees Celsius. This vaporizes the ice. Because of this, freeze dried food retains more nutrients, and much of its original aroma, texture, and flavor. Freeze dried food is light and usually more expensive than dehydrated food. The process can take several days and the equipment is expensive.

Freeze dried food has a longer shelf life than dehydrated food because up to 98 percent of the moisture is removed. The shelf life can be up to twenty five years when stored properly. Re-hydration time is generally 5 minutes in hot water and up to 10 minutes in cool water.

Dehydrated and freeze dried foods are great for back packing as they are light and easy to prepare. They are both excellent for long term food storage. Both reduce the waste of throwing away fresh produce that has spoiled. However, if nutritional value and taste are a top priority for you then I would recommend choosing freeze dried foods over dehydrated foods. The flavor, texture, and aroma win every time. I have found that it is less expensive in the long run to store foods that your family will eat. You do not save money by buying something less expensive that they will not eat.

What Is the Difference Between Dehydrated Foods and Freeze Dried Foods?

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