Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2021 Jul 13;50(2):e20067. doi: 10.1002/nse2.20067

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2021 The Authors. Natural Sciences Education © 2021 American Society of Agronomy

This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.

PMC Copyright notice

The COVID‐19 pandemic of 2020–2021 required modification of teaching practices for science classes at most educational institutions in North America (Photo credit: Paul H. Joseph / UBC Brand & Marketing)