Examples Of Science Projects - Fun Experiments On Liquid Density

by Margreit Du Plessis

We have a number of short Examples Of Science Fair Projects. In this short easy elementary science projects we are going to see some of the interesting things that happen because of the density of liquids. The density of and object has to do with how tightly packed the object is. Two objects can weigh the same but one is smaller than the other, the smaller one is packed more tightly and is therefore denser than the other object. These experiments are meant to make learning fun and are also very suitable for homeschoolers.

The floating egg experiment

What you will need for this easy elementary science project:

• A container
• Water
• An egg
• Salt
• A spoon

This is what you have to do for this easy experiment:

1. Fill the container with enough water to cover the egg completely.
2. Carefully place the egg in the water.
3. What happens to the egg?
4. Make a note of what happens.
5. Start adding salt to the water and stirring it very carefully so as not to break the egg.
6. Keep on adding salt until your egg starts to float.
7. You will need quite a lot of salt, about 4 tablespoons full of salt per 1 ½ cup water to make the egg float.
8. Now you add water to your solution again until the egg start sinking again.
9. Keeping density in mind, try and explain what just happened.

If you worked carefully and did the experiment the right way your egg started rising because it became less dense than the water when you added the salt. When you added extra water, the water once again became less dense than the egg and the egg started sinking again.

This is one example of our easy elementary science projects, one of many examples we have of science fair projects.

About the Author

Watch out for the other fun, Examples Of Science Fair Projects Magriet has. Get even more examples of science fair projects when you visit Elementary Science Fair Projects Magriet is a work at home "Gran" with an interest in all family related subjects.

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Science Fair Projects for Fun

by fun science projects

Selecting a topic for a science fair project may be a great deal of trouble for the students. If the topics or topic ideas are freely available on a site and easy to do it with the inexpensive materials available that will be of more help. There are many good examples of free and easy science fair projects that you can do in almost any scientific field, so there are an abundance of choices available to the student and to the parent. While students should be encouraged to choose a topic of their interest, if they seem to have expensive tastes, a parent should step in to guide them towards something more economical.

The free fun science projects include those projects which can be easily done and with easily available household materials. It could be anything from an empty milk can to egg carton. A good science fair project does not have to be expensive. Often the best project ideas come from simple observations of daily life.

Methods to control the cost of a science fair project:

- Choose a topic related to simple theme.

- Use public resources like library to collect information.

- Take the advantage of school computer lab for Internet resources.

- Use the materials that are available easily without spending much.

Projects with magnets are very inexpensive, simple, and fun filled. To test the properties of magnets we just need two magnets and some pins and iron rods. The outcome will be fantastic as the experiments will be exciting. Another free easy science fair project idea will be the topics related with plants. Plants make perfect subject for science fair projects, as plants, soil, seeds, and other required materials are easily available, inexpensive, and the procedures are also easy to be carried out. If you want to really control costs, you can even work with grass from your lawn, or rocks from your garden. This is probably a little extreme, but you have to do what you have to do.

Simple observation of night sky may even be a wonderful idea for free easy science fair project, as it does not cost to observe that. Then collect resources related with constellation, phases of moon, and location of various stars. Then drawing reasonable conclusions and presenting the report will turn out to be good project. Water can serve as an excellent topic for free easy science fair project as a number of water related experiments can be done and the results can be presented to draw conclusion.

It is not about spending a lot of money to present a good project, but it is the concept and the way it is presented matters. We should keep in mind that science is all around and not only in fancy technology and expensive gadgets.

A science fair project generally compares two variables to check what works and what does not. It also explores the different dimensions of scientific literacy. The great thing about these experiments is that there are no wrong or right answers. The same can be said of selecting a project. There is not a finite set of science fair projects, so you can always invent something completely on your own. Whatever your selection, as long as yours follows the guidelines set out by your school, university, or individual teacher, then you can be sure of a good grade and a solid performance. Money isn't everything, especially when it comes to schoolwork.

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