Chapter 16

Question 1

___________ is the ability to do work.

Answer 1

energy

Question 2

__________ _________ is the energy of motion.

Answer 2

kinetic energy

Question 3

__________ _________ is stored energy in an object.

Answer 3

potential energy

Question 4

a ___________ is formed when a disturbance occers.

Answer 4

mechanical wave

Question 5

________ is a rapid back- and -fourth movement of an object.

Answer 5

vibration

Question 6

________ is how high or low you perceive the sound to be.

Answer 6

pitch

Question 7

volume is …………………………………………………..

Answer 7

how loud a sound is

Question 8

is radiation

Answer 8

visible light

Question 9

a ______ is a curved piece of clear material.

Answer 9

lens

Question 10

_______________ occurs when a wave bounces.

Answer 10

reflection

Question 11

___________ occurs when the path of light wave changes as it moves from one material to another

Answer 11

refraction

Question 12

What is needed to do work or cause change?

Answer 12

work

Question 13

energy produced by a machine or moving part

Answer 13

mechanical energy

Question 14

energy produced by the movement of electrons

Answer 14

electrical energy

Question 15

radiant energy that our eyes can see from the visible part of the electromagnetic spectrum

Answer 15

light energy

Question 16

energy that causes a transfer of heat or temperature between materials

Answer 16

thermal energy

Question 17

energy produced from vibration that you can hear

Answer 17

sound energy

Question 18

kinetic or potential - a ball on a roof

Answer 18

potential

Question 19

kinetic or potential - a boy running

Answer 19

Kinetic

Question 20

kinetic or potential - an unlit match

Answer 20

potential

Question 21

kinetic or potential - an apple on a tree branch

Answer 21

potential

Question 22

kinetic or potential - a flying bird

Answer 22

kinetic

Question 23

examples of mechanical energy (5)

Answer 23

hammer, bike, gears, scissors, lawnmower

Question 24

examples of electrical energy (5)

Answer 24

blender, curling iron, computer, electric pencil sharpener, TV

Question 25

examples of light energy (5)

Answer 25

traffic light, light bulb, lamp, flashlight, fireplace

Question 26

examples of thermal energy (5)

Answer 26

sunlight, old-time stove, campfire, stove, laser

Question 27

examples of sound energy (5)

Answer 27

speakers, drum, shouting, headphones, guitar