Use these resources to research Earth's spheres!
Biosphere
1. http://www.geography4kids.com/files/land_intro.html
2. https://kidsgeo.com/geography-for-kids/the-earths-biosphere/
3. https://study.com/academy/lesson/biosphere-lesson-for-kids-definition-facts.html
Hydrosphere
1. http://www.geography4kids.com/files/water_intro.html
2. https://kidsgeo.com/geography-for-kids/the-hydrosphere/
3. https://www.nationalgeographic.org/encyclopedia/hydrosphere/
4. http://mocomi.com/major-domains-of-the-earth-hydrosphere/
Atmosphere
1. http://www.geography4kids.com/files/atm_intro.html
2. http://www.ducksters.com/science/atmosphere.php
3. http://easyscienceforkids.com/all-about-the-atmosphere/
4. https://kids.kiddle.co/Atmosphere_of_Earth
Geosphere (also known as the lithosphere)
1. http://www.geography4kids.com/files/earth_intro.html
2. http://www.softschools.com/facts/geography/geosphere_facts/2578/
3. http://easyscienceforkids.com/all-about-lithosphere/
4. https://spheresofearth.weebly.com/geosphere.html
Cryosphere
1. https://study.com/academy/lesson/cryosphere-lesson-for-kids-definition-facts.html
2. https://wiki.kidzsearch.com/wiki/Cryosphere
3. https://nsidc.org/cryosphere/allaboutcryosphere.html
4. https://kids.kiddle.co/Cryosphere