Scientists say there are over a ______ stars in the universe.
stunned
flood
trillion
brilliant
I was ______ when I saw how big the whale was!
stunned
shallow
occupy
negative
We saw a huge shark swimming in the ______.
brilliant
chemical
pollution
aquarium
Be careful when you swim in ______ water.
shallow
stunned
brilliant
negative
Workers will ______ a new school building near the park.
release
occupy
flood
construct
Many people work in animal ______ to protect sea life.
flood
stunned
conservation
chemical
That was a ______ idea—you solved the puzzle so fast!
shallow
brilliant
chemical
aquarium
Throwing trash in the ocean causes water ______.
construct
pollution
shallow
trillion
We will ______ the sea turtle back into the ocean.
chemical
occupy
construct
release
The smoke from the factory has a ______ effect on the air.
construct
negative
conservation
remarkable
The rain was so heavy that it caused a ______ in the streets.
aquarium
construct
conservation
flood
They want to build a new bridge, so workers will soon start to ______ it.
release
trillion
pollution
construct
The students gave a ______ performance during the talent show.
remarkable
pollution
shallow
chemical
Ants ______ small spaces in the ground to build their homes.
release
flood
occupy
conservation
Some cleaning products contain strong ______ that can harm your skin.
pollution
aquarium
chemicals
flood