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Articles tagged with: Girlstart

27February

After School 'to Go' Spring 2017: Week 4

Moving Through Soil

This week, After School To-Go students learned about aquifers, runoff, and other essential concepts in the Environmental Scientist career! Girls created a filter to observe the flow of polluted groundwater through Earth’s soil.

Posted in After School Blog

22February

Hands-On Wednesday

Vertebrates vs. Invertebrates

You may know that some animals (like ourselves) are called vertebrates due to the presence of a backbone, while other animals (like insects) are invertebrates because they do not have a backbone. In this investigation, you will use play dough, a pipe cleaner, and some small weights to see why our spines are so important!

Posted in STEM Hands On

21February

After School 'to Go' Spring 2017: Week 3

It’s a Landslide!

This week, students learned about concepts used in the Seismologist career! Girls applied these skills to the problem of a landslide in a small town.

 

In small groups, girls used baking pans and paper ramps to set up their landslide simulators. Small toy houses and a paper bridge were used to model a town located at the bottom of a hill. Sand was poured at the top of the “mountain” to represent loose sediments. Lastly, students took turns shaking their baking pans to simulate an earthquake!

Posted in After School Blog

17February

After School Spring 2017: Week 3

Weathering and Erosion

This week, Girlstart students (and future geologists!) reviewed physical weathering, chemical weathering, and erosion before putting different types of soils to the test!

Before beginning their activity, students worked together to review the difference between chemical and physical weathering. Tables volunteered their ideas, then STEM Crew leaders provided an antacid tablet for girls to observe. Students watched the tablet dissolve in a glass of water and create bubbles as an example of a chemical change. Crew leaders explained that the dissolved tablet had undergone a chemical change. Minerals in rocks can also dissolve - a common example of chemical weathering. On the other hand, physical weathering does not lead to a change in a rock’s chemical composition.

Posted in After School Blog

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