blackengineer

Episode 38: How Do You Make a Mask that Works?

February 2, 2021 Challenge

Super Mask Evaluator Challenge 1. Does it completely COVER their nose, mouth, and rest on the chin on the bottom? (i.e., does it come up to at least the middle part of the bridge of the nose; is it sagging and not touching the bottom of the chin?) 2. Do the ear loops fit COMFORTABLY… Continue Reading Episode 38: How Do You Make a Mask that Works?

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Episode 13: How Do You Move Water to Where You Want it to Go?

August 11, 2020 Challenge

Challenge: Gather  2 straws, some water,  some oil (vegetable or corn) and a  bowl. You are going to pour the water and oil through the straws and into the bowl. Make a hypothesis. Which one do you think will flow faster and why? Now pour water into one straw, pour oil into second straw.  Was… Continue Reading Episode 13: How Do You Move Water to Where You Want it to Go?

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