gravity - the pull on all bodies in the Earth's
sphere toward the Earth's center
eventually - at some later time
spiral - winding or circling around a center and
gradually getting closer to or farther away from it
galaxy - one of billions of systems of stars,
gas, and dust that make up the universe
eclipse - the total or partial hiding of one
heavenly body by another
pulses - electromagnetic waves or a sound waves
lasting only a short length of time
helium - a light colorless nonflammable
hydrogen - a chemical element that is the
simplest and lightest of all chemical elements and is normally
found alone as a colorless odorless highly flammable gas having
two atoms per molecule
FILL IN THE BLANK
The force known as
pulls all things on Earth toward its center.
is a light colorless nonflammable element.
of the moon will occur tonight.
The planet Earth is located in one
in the entire universe.
Plans are being made for man to
live on the planet Mars.
I drew a
shape using a string attached to a pencil.
The chemical element
is the simplest and lightest of all chemical elements.
The satellite was able to detect the
electromagnetic and sound
SELECT THE CORRECT ANSWER
A spiral winds around a
square, or chimney
Another name for electronic pulses and sound
circles, waves, or galaxies
Helium is a
flammable, nonflammable, or
If the new book is to be released eventually, it
will be released
soon, later, or never
Hydrogen is a chemical element that is the
of all chemical elements.
lightest, or weakest
Gravity is responsible for the pull of all bodies in the Earth's
sphere toward the Earth's .
poles, equator, or center
An eclipse can occur with which of the following?
tree, sun, or rainbow
A galaxy is part of the
Earth, sun, or universe
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