Test 3 Study Guide

Question 1

To ___________ energy is to change it from one kind of energy to another.

Answer 1

convert

Question 2

A _____________ material can scatter light.

Answer 2

translucent

Question 3

________________ forces do work.

Answer 3

Unbalanced

Question 4

A __________________ is measured from one crest of a wave to another.

Answer 4

wavelength

Question 5

Coal and other fuel sources are an example of kinetic or potential energy?

Answer 5

potential

Question 6

The particles which make up a molecule are called ____________.

Answer 6

atoms

Question 7

Is the crest the highest or lowest point of a wave?

Answer 7

highest

Question 8

An object at rest will ______ ___ _______unless acted upon by an unbalanced force.

Answer 8

stay at rest

Question 9

Light that bounces, or is thrown back, is called _________________ light.

Answer 9

reflected

Question 10

The base of a building

Answer 10

foundation

Question 11

Sound is a form of energy that is released when an object ______________.

Answer 11

vibrates

Question 12

Light and sound are examples of kinetic or potential energy?

Answer 12

kinetic

Question 13

A _______________ is a device that makes work easier.

Answer 13

machine

Question 14

stored, waiting energy

Answer 14

potential

Question 15

material which transmits light

Answer 15

transparent

Question 16

material which can easily transfer energy

Answer 16

conductor

Question 17

the highness or lowness of a sound

Answer 17

pitch

Question 18

material that blocks light

Answer 18

opaque

Question 19

material which cannot easily transfer energy

Answer 19

insulator

Question 20

moving, working energy

Answer 20

kinetic

Question 21

the loudness or softness of a sound

Answer 21

volume

Question 22

to give off light

Answer 22

luminous

Question 23

List the colors of the spectrum in order.

Answer 23

red
orange
yellow
green
blue
violet

Question 24

the ability to do work

Answer 24

energy

Question 25

the amount of matter an object has

Answer 25

mass

Question 26

_______________ electricity is the flow of electrons along a path.

Answer 26

Current

Question 27

A magnet has _________________ because of its magnetic field.

Answer 27

polarity

Question 28

A ____________ gives a building its shape.

Answer 28

frame

Question 29

An __________ ____________ happens when energy is moved from one place to another.

Answer 29

energy transfer

Question 30

A _______________ is the most stable shape.

Answer 30

pyramid

Question 31

All matter is made of particles called __________________.

Answer 31

molecules

Question 32

______________ forces prevent work from being done.

Answer 32

Balanced

Question 33

_____________ increases with a rough surface.

Answer 33

Friction

Question 34

Like poles of a magnet ____________.

Answer 34

repel

Question 35

A _____________ is the part of a lever that holds and balances weight.

Answer 35

fulcrum

Question 36

Inertia is a ______________ of all matter.

Answer 36

property

Question 37

This machine helps overcome friction.

Answer 37

wheel and axle

Question 38

Opposite poles of a magnet ______________.

Answer 38

attract