Amphibian unit studies https://premeditatedleftovers.com/…/amphibians-unit-study-…/
Engineering challenges with things you have at home
https://thehomeschoolscientist.com/paper-structures-engine…/
Alaskan Wildlife cams http://www.adfg.alaska.gov/index.cfm?adfg=viewing.webcams
This educational website hosted by the Smithsonian Museum takes a deep dive into ocean life. https://ocean.si.edu/
This NASA initiative covers a wide range of topics including weather, climate, atmosphere, water, energy, plants, and animals. https://climatekids.nasa.gov/
Learn all about cells https://www.cellsalive.com/
Tons of science experiments that you can do at home
https://www.stevespanglerscience.com/lab/experiments/
Learn all about earthquakes https://earthquake.usgs.gov/learn/kids/
Learn all about the periodic table https://www.chemicool.com/
Next Generation Science video game focused on middle school where students directly engage in science phenomena as they solve problems. https://www.tytoonline.com/
A collection of hundreds of free K-12 STEM resources, from standalone models and simulations to short activities and week long sequences of curriculum materials. https://learn.concord.org/
Science projects that can be completed with or without Internet access https://sciencespot.net/Pages/classhome.html
Science simulations, scientist profiles, and other digital resources for middle school science and high school biology
https://sepuplhs.org/
Science and math labs and simulations https://phet.colorado.edu/
80+ do at home science activities https://elementalscience.com/…/n…/80-free-science-activities
Interactive video earth science based curriculum supplement. https://www.everyday-earth.com/
Science, Math, Social Studies https://www.ck12.org/student/
Biology https://www.biologysimulations.com/
Explore the surface of Mars on the Curiosity Rover.
https://accessmars.withgoogle.com/