Paper Airplane Lab

Name: ______________________   Date: ____________

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

1.
p p r
A material made of cellulose pulp derived mainly from wood or rags or certain grasses
2.
a r l n e
An aircraft that has a fixed wing and is powered by propellers or jets
3.
i n g
A movable organ for flying (plural)
4.
a i t i m
5.
s a n
6.
f o l
7.
g a v i t
Force that pulls objects toward the Earth
8.
l r e r
9.
s l l e r
10.
i r e s i t a c e
11.
e r n u l i s
12.
r i i p l e
A basic truth or law or assumption
13.
w i h t
United States writer of detective novels
14.
b o h r s
A male person who is a fellow member (plural)
15.
d e i n
The act of working out the form of something
16.
w e i t
The vertical force exerted by a mass as a result of gravity
17.
t h r t
The force used in pushing
18.
l i f
The act of giving temporary assistance
19.
f o c
A push or a pull