Science week with grandma part 2 | Toddling Through the Silicon Valley | Cheryl Bac | Palo Alto Online |

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Toddling Through the Silicon Valley

By Cheryl Bac

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About this blog: I'm a wife, stay-at-home mom, home cook, marathon runner, and PhD. I recently moved to the Silicon Valley after completing my PhD in Social Psychology and becoming a mother one month apart. Before that, I ran seven marathons incl...  (More)

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Science week with grandma part 2

Uploaded: Apr 10, 2018
Our next batch of experiments included a couple of favorites. My kids especially enjoyed layering sugar water in test tubes and a twist on the classic egg into a bottle experiment.

1. Rainbow in a cup: Using test tubes and a pipette made it easy for our kids to keep the 4 layers of sugar water separate. We hope to make a full rainbow soon.

2. Toothpick star: My mom saw this experiment online and thought it would be a fun filler activity. We didn't expect the toothpicks to move into star-shapes so quickly. It happened in seconds. My daughter had fun trying to make different designs with the broken toothpicks.

3. Frankenworms: We didn't have luck getting gummy candies to wiggle using baking soda and vinegar. We had much better success using raisins.

4. Mentos in diet coke: My mom was excited to try out an experiment she saw online. We decided to keep the mess to a minimum by using 12 ounce bottles rather than 2 liter. Our kids enjoyed dropping the Mentos into the soda themselves and seeing the soda erupt; however, an adult was needed to get multiple Mentos into the bottle quickly before it erupted.

5. Egg in a bottle: We repeated the egg in a bottle experiment from before spring break. We were only able to get one egg into a bottle using a match. After looking online, we decided to try boiling water instead of fire. The water worked surprisingly well. And there was no unpleasant smoke/egg smell afterwards. My mom was even able to add a nice finale to the experiment by sucking the egg back out of the bottle afterwards. A nice ending to a new twist on a now favorite experiment.
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Short story writers wanted!

The 34th Annual Palo Alto Weekly Short Story Contest is now accepting entries for Adult, Young Adult and Teen categories. Send us your short story (2,500 words or less) and entry form by March 27, 2020. First, Second and Third Place prizes awarded in each category. Sponsored by Kepler's Books, Linden Tree Books and Bell's Books.

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