Scientific Method:

The Scientific Method -

https://sciencebob.com/science-fair-ideas/the-scientific-method/

Classification:

Vertebrates & Invertebrates - 

https://www.youtube.com/watch?v=_rQgoohs330

Plants with Seeds -

https://studyjams.scholastic.com/studyjams/jams/science/plants/plant-with-seeds.htm 

Gymnosperms -

https://studyjams.scholastic.com/studyjams/jams/science/plants/gymnosperms.htm

Angiosperms -

https://studyjams.scholastic.com/studyjams/jams/science/plants/angiosperms.htm

Plants reproduce with flowers -

https://studyjams.scholastic.com/studyjams/jams/science/plants/flowers.htm

Mosses, ferns, and their spores - 

https://studyjams.scholastic.com/studyjams/jams/science/plants/mosses-and-ferns.htm

Plants without seeds (vascular & nonvascular) -

https://studyjams.scholastic.com/studyjams/jams/science/plants/plants-without-seeds.htm

Plant Adaptations (This may not be a way that plants are sorted. It's interesting, however.) - 

https://studyjams.scholastic.com/studyjams/jams/science/plants/plant-adaptations.htm

Cells:

Plant Cells - https://studyjams.scholastic.com/studyjams/jams/science/plants/plant-cells.htm

Animal Cells - https://studyjams.scholastic.com/studyjams/jams/science/animals/animal-cells.htm 

Microorganisms:

https://www.youtube.com/watch?v=aPmPep2r6uo

Inherited Traits:

https://www.youtube.com/watch?v=LbwLcpQFvTs

Constructive & Destructive Processes:

Earth Quakes:

https://earthquake.usgs.gov/learn/kids/

Erosion:

Wind & Water Erosion - 

https://www.youtube.com/watch?v=-43_HBy9huc

How erosion by water shapes landforms:

https://www.youtube.com/watch?v=qqsTS67BKmA

Coastal Erosion - 

https://www.youtube.com/watch?v=zUh3WeilFN4

Weathering & Erosion

https://studyjams.scholastic.com/studyjams/jams/science/rocks-minerals-landforms/weathering-and-erosion.htm

Physical & Chemical Changes:

https://studyjams.scholastic.com/studyjams/jams/science/matter/changes-of-matter.htm

Electricity & Magnetism:

https://studyjams.scholastic.com/studyjams/jams/science/energy-light-sound/electricity.htm 

https://studyjams.scholastic.com/studyjams/jams/science/energy-light-sound/magnetism.htm