Nature League
Why Are Animals Getting Smaller? - From A to B
Many believe dinosaurs were much larger than animals of today, but even the biggest dinosaur was only half the size of the average adult blue whale. Understanding why animals appear to be getting smaller starts with a discussion of...
PBS
Eclipse Over America — Relative Sizes and Distances of the Sun and Moon
Here's a lesson that is sure to overshadow others! Introduce young astronomers to the unique size and distance relationship between the sun and moon with an activity from a larger series exploring space. A short video illustrates the...
Kurzgesagt – In a Nutshell
How Big is the Moon?
How many football fields would fit on the moon? Although it appears small in the night sky, the distance from Earth makes its size misleading. A quick video lesson from the Kurzgesagt playlist helps scholars understand the size of the...
PBS
Pbs Kids: Cleo and Epidermis
On this adventure, learn about how you measure the mass of a quantity to figure out which ones contain surprises! This learning module has students comparing quantities to figure out which one has more mass.