The 3rd grade Science student:

• Observes the faithfulness of God while learning about the solar system.
• Learns about the concept and measurement of time.
• Learns about animal and plant life cycles.
• Recalls and continues the study of God’s Creation.
• Read stories using new vocabulary and visual discrimination.
• Looks at geological changes after the Flood—jungles and hot lands, tundra and cold lands, volcanoes and earthquakes.

Resources: If any link does not work, please let me know by leaving a comment and I will fix it as soon as possible. 

https://underthehome.org/science/textbook?title=Plant%20Nature%20Study%20I&grade=3

https://flexbooks.ck12.org/cbook/ck-12-third-grade-science/

Science — Earth Science

https://emedia.uen.org/courses/utah-oer-textbooks-3rd-grade-seed

https://freedomhomeschooling.com/free-science-unit-studies-and-lesson-plans/

https://freedomhomeschooling.com/science-websites-for-homeschoolers/

https://freedomhomeschooling.com/homeschool-science-youtube/

https://freedomhomeschooling.com/virtual-science-labs-and-dissections/

https://freedomhomeschooling.com/virtual-field-trips/

Comprehensive Homeschool Resources by Grade and Subject