Science

Name: ______________________   Date: ____________

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

1.
a c e t
An increase in rate of change
2.
f
A push or a pull
3.
n t
How tightly packed the matter in something is
4.
e t
A decimal unit of measurement of the ___ system
5.
r e l
The phenomenon of a propagating wave being thrown back from a surface
6.
e c t
The change in direction of a propagating wave when passing from one medium to another
7.
i n
Relating to the motion of material bodies and the forces associated therewith
8.
e a l
The difference in electrical charge between two points in a circuit expressed in volts
9.
e e
The power to do work or make things move
10.
e d
Happening or recurring at regular intervals
11.
a t h
The distance between two points in the same phase in consecutive cycles of a wave
12.
e c a g
Pertaining to or exhibiting magnetism produced by ___ charge in motion
13.
o c o
A material that allows heat or electric current to pass through it.
14.
o l
The simplest structural unit of an element or compound
15.
e t s
Attraction for iron
16.
r
A simple machine that gives a mechanical advantage when given a fulcrum
17.
t u r
How hot or cold something is
18.
s m a
A change directly from the solid to the gaseous state without becoming liquid
19.
i u t
A material such as glass or porcelain with negligible electrical or thermal conductivity
20.
p m
A preliminary election where delegates or nominees are chosen
21.
h e s
A proposal intended to explain certain facts or observations
22.
o c s
The temporal end
23.
o a i
The act of making and recording a measurement
24.
o u
A substance formed by chemical union of two or more elements or ingredients in definite proportion