a tiny hard piece of something
grain
corner
On a cool October night, Dad set up a _________ to view the stars.
telescope
Mr. Warriner ________ the students' jobs each week.
rotates
someone who works to dig coal or minerals our of the ground
miner
the grooved part of a tire that touches the ground
tread
When the diver opened the shell, he was surprised to find a ______.
pearl
Many early human civilizations grew crops so that they would have plenty of ______ to last them through winter.
grain
a smooth round object that forms inside the shell of an oyster
pearl
careful in order to avoid mistakes
cautious
I had to _______ quietly when my dad was taking his nap, or he'd wake up grumpy.
tread
By _________, Jacob slowly got better at solving math problems.
degrees
to act like someone or something else
imitate
to turn in a circle around a center
rotate
Unhei was ______ when walking on an icy sidewalk.
cautious
_________ wear helmets with lights on them, because of how dark it gets underground.
a unit to measure warmth
degree
an object that makes distant objects look closer and larger
telescope
When the teacher found a spider in the room, he had to _______ it, so that it didn't run away and hide.
corner
Grace tried to _________ the way her soccer coach kicked the ball.
imitate