The mention of NASA may make us think of other planets, however the fact is that many NASA missions are satellites that are looking down on our planet and helping to study processes and track changes around the Earth.
The activities from the Nantucket Science Festival, hosted by the Maria Mitchell Association, are available online. These are at-home friendly activities covering a variety of topics.
The ECHO Leahy Center for lake Champlain in Burlington Vermont offers a page that links to a wide assortment of activities and videos, including citizen science opportunities.
MOS at Home comes from the Boston Museum of Science. They offer videos, podcasts, and activities as well as virtual exhibits.
Science at Home from the Connecticut Science Center features virtual programs and videos as well as science activities for all ages.
Brookhaven National Laboratory provides a webpage of general activities as well as "Discover Brookhaven" challenges that award a certificate upon completion.
The Boonshoft Museum of Discovery in Dayton, Ohio offers a page of DIY Science Activities with easy to get materials, step by step instructions, and a basic science explanation for families to download and use. There is also some virtual programming on this site.
The Asheville Museum of Science in North Carolina provides a daily newsletter with learning activities. More resources are also located on their YouTube channel.