Gravity and Space
Name: ______________________ Date: ____________
Write the missing letters on the lines to finish each word.
1.
a
v
i
t
y
Force that pulls objects toward the Earth
2.
n
e
t
o
English mathematician and physicist
3.
w
i
g
h
The vertical force exerted by a mass as a result of gravity
4.
s
a
l
l
i
e
Any celestial body orbiting around a planet or star
5.
m
m
n
i
c
t
i
o
n
A connection allowing access between persons or places
6.
r
t
f
c
i
a
l
Contrived by art rather than nature
7.
s
e
r
a
t
i
n
The act of making and recording a measurement
9.
e
s
t
a
t
i
o
a
y
Of or having a geosynchronous orbit such that the position in such an orbit is fixed with respect
10.
n
a
u
r
l
Someone regarded as certain to succeed
12.
m
s
s
How much matter something contains
16.
a
p
l
o
Greek god of light
17.
r
o
k
t
Any vehicle self-propelled by a ___ engine
18.
t
r
o
n
o
m
c
a
Relating or belonging to the science of ___
19.
p
c
e
s
t
t
i
n
A manned artificial satellite in a fixed orbit designed for scientific research
20.
w
e
t
h
r
Whether it's rainy, sunny or windy outside