The document provides definitions for key terms related to astronomy and the universe: - It defines astronomical objects like the moon, asteroids, comets, and meteorites. - It explains larger scale structures like the solar system, stars, galaxies, and the universe. - It also defines tools used to study space like spacecraft, telescopes, and observatories. - It includes short vocabulary lessons defining words like "vast," "dwelled," and "speck" in the context of astronomy. - It also provides a short grammar lesson on using "will" to make predictions.

1. Unit 1:Where are we in the Universe?
Words

2. Moon
A big object that shines in the sky
at night

3. Asteroid
any of the many small rocky bodies that
go around the sun

4. Comet
Mass of ice and dust that moves around
the sun and looks like a big star with a
tail

5. meteorite
a piece of rock or other matter from space
that hits earth’s surface

6. solar system
The sun and the planets that move
around it

7. stars
The small , bright lights that you see in
the sky at night

8. galaxy
a very large group of stars and planets

9. universe
Earth and all the stars, planets, and
everything else in space

10. spacecraft
a vehicle that can travel outside the
Earth and into space

11. telescope
You look through it to make things that are
far away appear bigger

12. observatory
A building where scientist can watch
the stars, the weather, etc. using
special instruments

13. Words in Context
Vast- very big
Example:
The Universe is vast.
Dwelled – lived or stayed in a place
Example:
This is the town where he dwelled for
eight years.

14. speck –a very small spot, mark, or
piece of something
Example:
Soon the balloon was only a speck in
the sky.
disk- a round, flat object
Example:
The milky way was shaped like a disk.

15. Read: Bella’s Home

16. Grammar in Use
Predictions with Will
Use will to make a prediction. A
prediction is something you believe
about the future. A prediction is not a
fact
I will visit those places again, Bella
thought.

17. Communicate
Listening
1.05
Listening
1.06
Speaking
1.07

18. Word Study
Eighty- is number (80)
ex. There are eighty eggs in the basket.
Freight- things that trucks, ships, trains
and airplanes carry from one place to
another.
ex. The ship carries both freight and
passengers.
Reins-a long, thin pieces of leather that

19. Sleigh- a large vehicle with a pieces of
metal or wood instead of wheels that
you sit in to move over the snow
ex. They travelled across the snow in a
sleigh.
Veil- a piece of material that a woman
puts over her head and face
ex. She looks beautiful with her veil.
Weigh- to measure how heavy
someone or something is.
ex. These are all very firm fish, and

20. Writing Study
Complete Sentences always need a
subject and a verb. This is true for
statements, questions and commands.
We usually don’t see the subject in a
command , but we understand what it
is.
Example:
Earth revolves around the sun.
(statement)