Is this how I say the spider is smaller than the lizard?
La araña es más pequeña que la iguana.
Yes, you are correct. In Spanish, to say "the spider is smaller than the lizard," you would say "La araña es más pequeña que la iguana."
To form comparisons in Spanish, you can use the structure "más + adjective + que" (more + adjective + than). In this case, the adjective "pequeña" (smaller) is used to compare the sizes of the spider and the lizard. By placing "más" before the adjective and "que" after it, you indicate that the spider is smaller than the lizard.
¡excelente! = Yes indeed!
Another synonym for small is also "chica" and in this case does NOT translate as the noun "girl" but as the adjective "small!"
Sra