He greeted me __________ (politely) of all.
the most politely
Small dogs bark ___________ (loudly) than big dogs.
more loudly
the visible features of an area of land
landscape
Cheetahs run __________ (fast) of all the animals.
the fastest
the layer of gases surrounding a planet
atmosphere
a place that can support life
habitable
to think with curiosity or ask yourself questions about something
to wonder
a large, flat area of land with few trees
plain
Billie Eilish sings ____________ (beautifully) than Adele.
more beautifully
I arrived _______ (late) to work.
the latest
hot springs that shoot hot water and steam into the air
geysers
the level or amount of something
degree
evidence that shows something is true
prove
an object sent into space to orbit a planet and collect information
satellite
Sofia speaks ____________ (fluently) of all the students.
the most fluently
something that is needed or necessary
requirement
Mom cooks _________ (well) of all the women in my family.
the best
to cause something to happen
to lead to
the distance across a circle through its center
diameter
changes that happen at certain times of the year
seasonal
air that is slightly unclear or foggy
hazy
to discover or notice something, especially something hidden
to detect
a tool or device used for a specific purpose, especially in science
instrument
extremely important or basic to something
fundamental
Their team played ________ (badly) than ours.
worse
different parts or features of a situation or idea
aspects
extremely large or wide
vast
progress or improvement, especially in science or technology
advance
a low area of land between mountains or hills
valley
to provide someone or something with necessary tools or skills
to equip with
very small, dry particles often found in the air or on surfaces
dust
My sister eats ________ (slowly) than me.
more slowly
My uncle works _______ (hard) than his colleagues.
harder
a scientist who studies stars, planets, and space
astronomer