Knowledge — 3 years ago

Science project ideas Your Kids Will Love!

by Kelly B.

Science Fair Projects, Science Projects, Experiments

Fun Science Projects to Do at Home

Science projects can be taken up and completed by children of all ages. Your children can take their pick from biology, chemistry, physical science, and earth science projects. A key to any good project is that it should be interesting and linked to the real world. Better science projects have a "wow" factor and from the perspective of your child, real-world applications. Some activities may need parental supervision.

Whipping up invisible ink

This is an extremely interesting project for children. Parental supervision is needed as this project requires the use of a kitchen stove. The project is fun as kids love to send “secret” messages to themselves and the way to do it is to write with invisible ink. The latter is surprisingly easy to make.

To make invisible ink, you need to give your children a few milliliters of milk, a few sheets of white paper, and one clean cotton swab. A small and clean paintbrush will suffice for the swab. Access to a kitchen stove is a must.

Ask your child to take the brush or the cotton swab, dip it in milk and write the message on paper. The child must use a minimal quantity of ink to write. Whatever happens, your child must not soak the paper. The milk lines at maximum should be a thin coating.

Science Fair Projects

Once your child finishes writing, help him or her to switch on the stove. The fire should be in a low flame. Help to put kitchen mitts on your child and allow her to hold the milk written paper a foot above the burner of the stove. In case nothing appears, increase the heat. Under no circumstances, you will hold the paper low over the stove burner. The written message will turn brown and everyone can see what is written on it.

This phenomenon happens as the milk chemical compounds have low burning points. The warm paper heats up those compounds and becomes brown. The paper will continue to be unaffected. This experiment can be done with multiple liquids like apple juice, orange juice, and vinegar. As a parent, it is your responsibility to make sure your child is safe around naked flames.

Bouncing eggs

It is fun to have a bouncing egg. This experiment is best done with your children and their friends. If this is so, then it can be possible to have a bouncing egg contest. To do this science project with friends, a dozen eggs are needed.

Science Projects

Point out to your child that all eggs come with shells that get removed prior to eating. The shells are easily removed if you dip the shells into vinegar. The eggshell will be dissolved by the vinegar. This occurs due to the presence of acetic acid as a vinegar constituent. The acid reacts with the eggshell's high calcium content. The shells will be completely dissolved within four days and it is important for your child to be patient until the eggshell completely dissolves.

To do the above process, take each egg and dip it in vinegar inside clear plastic cups. One egg must correspond to one cup. Check the eggs for eggshells being dissolved in the vinegar. This will happen anytime between three days and four days. After there is no remaining eggshell, take a plastic spoon and remove eggs from cups. Lay them on paper towels to drain. The egg will now be covered with a certain waxy surface. The egg is now ready for your child to bounce it. Your child should take the egg and drop in on the table or any other hard surface, It will bounce.


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