Making Science Less Abstract for Preschoolers
By Nicole Brekelbaum
A simple experiment that can help preschoolers discover and enjoy the wonders of science.
Most childcare businesses supervise children for more than three hours a day, five days a week. Such long hours in care can have a serious impact on a child's growth and development. Businesses that offer educational curriculums help children grow academically and help prepare them for school. Science plays an important role in the learning process and should also be included as part of the curriculum. Science encourages preschoolers to ask questions, make predictions, and find answers to some fascinating questions. Here is an interesting experiment that can help teach science to preschoolers. We came across ideas for this experiment on PBS Kids Website (www.pbskids.org). We tried it ourselves, at Young Achievers Inc., and it was an extreme success.
First, we had circle time with the kids and recited some classic nursery rhymes. One of the nursery rhymes was the age-old rhyme, Little Miss Muffet. After singing in our circle we asked the kids some questions about Little Miss Muffet. We discovered that they knew what Little Miss Muffet sat on, what she ate, and what frightened her. We then posed a thought-provoking question to the preschoolers. "Can the curds be separated from Miss Muffet's curds and whey? The children responded with interesting answers. Their answers became our scientific hypotheses. We documented all responses in large text on our chalkboard so that the children can see and value their predictions. We then headed to the kitchen "laboratory" to see whose prediction was true.
We had the kids sit at the table and measure the milk and vinegar portions for the experiment. They counted how many cups of milk were needed and how many tablespoons of vinegar to add. It was now time to blast the mixture into the microwave for two minutes. We recommend that an adult perform this part of the experiment to avoid placing children in harms way. After two minutes, the mixture was ready to be taken out of the microwave. We allowed it to cool for several minutes and then the children compared two samples of the mixture before and after it was placed in the microwave. They observed that the mixture was lumpier after being heated in the microwave. The children then strained the mixture by using kitchen towels. What remained was a white, rubbery substance - the curds. They were excited. They saw first-hand what Miss Muffet ate. Then they discovered through experimentation that curds can be separated from Miss Muffet's curds and whey.
The children dyed the curds different colors using food coloring and made their own rubbery type of play dough. They loved touching the curds and feeling its texture. Some children even shaped the curds into cool looking dinosaurs and flowers with our help. At the end of the day the children were enlightened and had a great appreciation for science. They were all proud to show their parents what they had done. They were truly young scientists!
If you would like to try this with children at your childcare business we recommend the experiment for children ages 3 and up. The following materials are needed:
3 cups of Skim Milk
2 tablespoons of white vinegar
Microwave-safe bowl for mixing and heating
Kitchen towels for straining
About The Author
Nicole Brekelbaum is the director at Young Achievers Inc. - A home-based learning center for aspiring youth located in Pflugerville, Texas. She has been providing childcare in her home since her career switch from working engineer to childcare director and mom.
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