is this a science fair blog

Good Luck!!!!!

Good luck for tomorrow guys!! :)

and yes... I think

ok

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WHAT DO YOU MEAN!?!
come show me!!!

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TRANSITION NOT TRANSACTION DIFFERENT SEE!!!!!!!!


TRANSITION NEXT TO BACKGROUND

What do you mean 'using animation in your transaction?'

question

how many of you are finished?


Are any of you using animation in your transition of slides?


Do you need any help?

answer

tins are ok
but remember it must be the same weight

Help!

HELP PLEASE!!

For the testing would a platic cup or tin (e.g. peach tin) be better??

thank you

                                             thanks
thanks
thanks
thanks
thanks
thanks

help

polystyrene
plaster
polyester
work

Variables

Scientists use an experiment to search for cause and effect relationships in nature. In other words, they design an experiment so that changes to one item cause something else to vary in a predictable way.

These changing quantities are called variables. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled.

The independent variable is the one that is changed by the scientist. To insure a fair test, a good experiment has only one independent variable. As the scientist changes the independent variable, he or she observes what happens.

The scientist focuses his or her observations on the dependent variable to see how it responds to the change made to the independent variable. The new value of the dependent variable is caused by and depends on the value of the independent variable.

For example, if you open a faucet (the independent variable), the quantity of water flowing (dependent variable) changes in response--you observe that the water flow increases. The number of dependent variables in an experiment varies, but there is often more than one.

Experiments also have controlled variables. Controlled variables are quantities that a scientist wants to remain constant, and he must observe them as carefully as the dependent variables. For example, if we want to measure how much water flow increases when we open a faucet, it is important to make sure that the water pressure (the controlled variable) is held constant. That's because both the water pressure and the opening of a faucet have an impact on how much water flows. If we change both of them at the same time, we can't be sure how much of the change in water flow is because of the faucet opening and how much because of the water pressure. In other words, it would not be a fair test. Most experiments have more than one controlled variable. Some people refer to controlled variables as "constant variables."

Where is a good place to find the materials

THANKS/INFORMATION

Thanks for the information Anna
it was very useful.

Morgan we have about three more weeks
make sure you spend it wisely

background info

anybody know a place I could get some background info on insulations?

The History of Insulation

Since the beginning of civilization, humans have recognized the need for insulation. Man clothed himself with wool and skins from animals. He built homes of wood, stone, earth, and other materials for protection from the cold winter and the heat of summer.

Ancient Greeks and Romans discovered asbestos and found many uses because of its resistance to heat and fire. The Romans used cork for insulation. One use was in shoes, to keep their feet warm. As industrialization expanded, cork was used as an insulation for ice houses. Blocks of ice were cut from frozen lakes in winter and stored in cork-lined ice houses for use in summer. When mechanical refrigeration came into use, cork was used to insulate pipes and equipment.

Mineral fiber - another important insulating material - was first used by the natives of the Hawaiian Islands to blanket their huts. The fibers came from volcanic deposits where escaping steam had broken the molten lava into fluffy fibers.

Man-Made mineral fibers were developed in the early industrialization period. Steam was injected into molten slag, a waste product from iron furnaces. It has been widely used for both building and industrial insulation. As more and more uses were found for it, mineral fibers were modified and molded into different shapes such as pipe covering.

A pipe covering made from corrugated layers of asbestos paper was developed for hot applications. This type of insulation obtained its efficiency from air pockets in the corrugation. The development of the more efficient fiberglass made this material obsolete.

Another obsolete material widely used for many years was 85 percent magnesia. This material was similar to the calcium silicate used today but it contained asbestos fibers as a binder. This material was used extensively until the mid-fifties when calcium silicate made it obsolete.

Materials made from layers of high-fiber-content felt or paper, with layers of asphalt saturated felt formerly were used on moderate-to-cold temperature applications.

Today materials manufactured from fiberglass, ceramic, mineral wool, calcium silicate, foamed plastic, glass, and other substances are used in many shapes and forms. The most widely used material is fiberglass which is available in loose fill, blanket, board, and molded pipe shapes.

Insulation uses range from conventional building and pipe insulation to insulation for equipment and systems operating at extremely low or high temperatures. Insulation is a vital part of industry. It is used in many ways and forms to improve our environment. Its importance will continue to increase as technology advances and energy resources and conservation are high priority.

Hello

How many week do we have to finish science fair. :) :)

Info on Variables

Check this link out - copy and paste it into your browser,

http://www.youtube.com/watch?v=x2606GQmDqY&safe=active

history help

What is the history of insulation?
please could you help
thanks
genius

HELLO AGAIN

WHERE IS EVERYONE?
HELLO
INSULATION,INSULATION,INSULATION.

HELLO

  Hello everyone
 

Welcome

Hi guys, here is your Science Fair blog