Impactful science teaching requires minimum five hours instruction weekly

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Credit: CC0 Public Domain

New research on middle-grades science teaching reveals that without at least 5 hours of instructional time dedicated to science during a typical school week, teachers are less likely to use the types of inquiry-based learning practices recommended by leading science and education professionals.


Unlike traditional instruction, inquiry-based instruction approaches science learning through sustained real-world projects and hands-on experimentation rather than fact memorization, recall and prescribed experiments. It is considered a best practice by the National Research Council and the Next Generation for Science Standards, among other national and state science assessments, for teaching scientific knowledge and skills for the 21st century.

What’s more, the findings—published Dec. 1, 2020 in the journal Teachers College Record—suggest that only about one third of eighth-grade students in the U.S. actually receive at least 5 hours of science instruction each week.

“Even the best teachers are less likely to teach

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Walmart Plus drops $35 free shipping minimum to better compete with Amazon Prime

Walmart is removing the $35 free shipping minimum on its annual subscription service, Walmart Plus, the company announced on Wednesday. The new policy will take effect on Friday, December 4th, and it means all Walmart Plus members will receive free next-day and two-day shipping on items ordered from Walmart’s website, regardless of the size of their order.





© Illustration by Alex Castro / The Verge


The change is a clear attempt to better compete with Amazon Prime, the subscription service on which Walmart Plus is based. One of the biggest benefits of Prime since its introduction more than 15 years ago has been free (and often two-day and now one-day) shipping on all eligible orders.

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Amazon and Walmart are competing to offer the most convenient delivery service

That made Walmart’s $35 order minimum for its Prime competitor a significant setback for the big-box retailer when it launched its

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