Gravity and Friction

Name: ______________________   Date: ____________

Write the missing letters on the lines to finish each word.

1.
g a i
Force that pulls objects toward the Earth
2.
b n t
Characterized by liveliness and lightheartedness
3.
w e t
The vertical force exerted by a mass as a result of gravity
4.
a t c i o
The force by which one object ___ another
5.
m s
How much matter something contains
6.
d t n e
The property created by the space between two objects or points
7.
p u r e
Force pushing on something
8.
l i w n
9.
g a i t n l
Of or relating to or caused by ___
10.
o i
The path described by one celestial body in its revolution about another
11.
p c l
A unit of pressure equal to one newton per square meter
12.
f a n b e t
13.
c n t p a
Tending to move toward a center
14.
j o n r
15.
s r f a a
16.
a l t l a
17.
b u l i
Swiss physicist who contributed to hydrodynamics and mathematical physics