| Term | Definition |
| abeja | bee |
| el aire | the air |
| cercar | to fence, to surround |
| apoyar | to lean, to rest, to support |
| alrededor de | around |
| ambiental | ambient, environmental |
| el animal | the animal |
| apoyo | support |
| árbol | tree |
| la ave | the bird |
| basura | rubbish, garbage, trash |
| belleza | beauty |
| bello | beautiful |
| insecto | insect |
| contaminación del aire | contamination of the air |
| biológico | biological |
| brújula | compass |
| bucear | to swim underwater, to dive |
| cachorro | puppy (de perro), kitten (de gato), cub (de león, lobo, oso) |
| el caimán | the alligator (of sorts) |
| biología | biology |
| biólogo | biologist |
| camino | path, track, road |
| campamento | camp |
| la contaminación | the contamination, pollution |
| campo | countryside, field |
| cascada | waterfall |
| caza | hunting, game |
| cazar | to hunt |
| cerca | near, close |
| el ciclón | the cyclone |
| ciervo | deer, stag |
| cocina portátil | portable cooker, hot plate (basically) |
| el colchón | the mattress |
| colmena | beehive |
| conejo | rabbit |
| contaminar | to pollute |
| la conservación | the conservation |
| conservar | to conserve |
| el contaminante | the pollutant |
| cordillera | mountain range |
| cosecha | harvest |
| cuerda | cord, rope, string |
| desarrollo | development |
| descolgar | to take down |
| descomponer | to rot, to decompose, to discompose |
| el detergente | the detergent |
| ecólogo | ecologist |
| ecología | ecology |
| económico | economic, economical |
| el ecosistema | the ecosystem |
| energía | energy |
| ensuciar | to sully, to get dirty |
| la estación | the station |
| la fuente | the fountain, spring |
| la peste | the plague, pest, pestilence |
| apestar | to stink, to infect with the plague |
| gorila | gorilla |
| guardabosques | forest rangers |
| huella | footprint, track |
| jaula | cage |
| el león | the lion |
| leopardo | leopard |
| lindo | neat, pretty, lovely |
| linterna | lantern, flashlight, lamp |
| loro | parrot |
| hamaca | hammock |
| meteorólogo | meteorologist |
| la miel | the honey |
| mosca | fly |
| naturaleza | nature |
| naturalmente | naturally |
| la nieve | the snow |
| la noche | the night |
| la nuez | the walnut |
| el olor | the odor, the smell |
| olfato | sense of smell (scent) |
| parrillada | mixed grill |
| picar | to bite, to sting |
| picada | bite, sting |
| piedra | stone |
| el planeta | the planet |
| rural | rural, country |
| preservación | preservation |
| preservar | to preserve |
| primavera | spring |
| reciclado | recycled |
| relámpago | flash of lightning |
| rayo | ray, beam, bolt of lightning |
| ruido | noise, clamor |
| la tempestad | the tempest |
| tiempo | time |
| tienda de campaña | tent |
| el tigre | the tiger |
| tormenta | storm |
| toro | bull |
| tortuga | tortoise |
| trópico | tropic, tropical |
| trueno | thunder |
| urbano | urban, city |
| zoólogo | zoologist |
| zorro | fox |
| zumbar | to buzz, to whirr, to hum |
| morder (ue) | to bite |
| mordida | bite |
| tronar (ue) | to thunder, to explode |
| parque zoológico | zoo |
| tiburón | shark |
| ballena | whale |