CHAPTER 15 Flashcards Preview

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Flashcards in CHAPTER 15 Deck (40):
1

WHAT IS THE ENERGY OF MOTION CALLED?

KINETIC ENERGY

2

WHAT IS THE FORMULA USED O CALCULATE AN OBJECT'S KINETIC ENERGY?

KE=1/2MV2

3

WHAT IS POTENTIAL ENERGY?

STORED ENERGY AS A RESULT OF POSITION OF SHAPE

4

AN OBJECT'S GRAVITATIONAL POTENTIAL ENERGY DEPENDS ON ITS ______________, ITS _________, AND ITS ________________________.

MASS
HEIGHT
ACCELERATION DUE TO GRAVITY

5

WHAT IS ENERGY?

THE ABILITY TO DO WORK

6

THE POTENTIAL ENERGY OF AN OBJECT THAT IS STRETCHED OR COMPRESSED IS KNOWN AS __________________________.

ELASTIC POTENTIAL ENERGY

7

ENERGY STORED IN GASOLINE, COAL, AND WOOD

CHEMICAL ENERGY

8

THE SUM OF AN OBJECT'S POTENTIAL ENERGY AND KINETIC ENERGY, EXCLUDING ATOMIC-SCALE MOVEMENTS

MECHANICAL ENERGY

9

PRODUCES THE SUN'S HEAT AND LIGHT

NUCLEAR ENERGY

10

TRAVELS THROUGH SPACE IN THE FORM OF WAVES

ELECTROMAGNETIC ENERGY

11

PRODUCES LIGHTNING BOLTS

ELECTRICAL ENERGY

12

INCREASES AS ATOMS WITHIN AN OBJECT MOVE FASTER

THERMAL ENERGY

13

EXPLAIN HOW GULLS USE ENERGY CONVERSION.

AS THE GULL LIFTS AN OYSTER, ITS GRAVITATIONAL POTENTIAL ENERGY INCREASES
GULL WILL DROP THE OYSTER AND POTENTIAL ENERGY TURNS TO KINETIC ENERGY
OYSTER HITS A ROCK AND BREAKS SHOWING THE CONVERSION FROM KINETIC TO THERMAL KINETIC ENERGY

14

WHEN A WIND-UP TOY IS SET IN MOTION, ELASTIC POTENTIAL ENERGY THAT WAS STORED IN A COMPRESSED SPRING IS CONVERTED INTO THE ________________ OF THE TOY'S MOVING PARTS.

KINETIC ENERGY

15

WHAT DOES THE LAW OF CONSERVATION OF ENERGY STATE?

ENERGY IS NEITHER CREATED OR DESTROYED

16

A MOVING OBJECT SLOWS DOWN BECAUSE FRICTION CAUSES A CONTINUAL CONVERSION OF KINETIC ENERGY INTO _________________.

THERMAL ENERGY

17

AS AN OBJECT FALLS, THE GRAVITATIONAL POTENTIAL ENERGY OF THE OBJECT IS CONVERTED INTO ________________.

KINETIC ENERGY

18

AT WHAT POINT DURING A POLE-VAULTER'S JUMP IS HIS GRAVITATIONAL POTENTIAL ENERGY THE GREATEST?

AT THE HIGHEST PART OF THE JUMP

19

WHAT DOES EINSTEIN'S EQUATION IMPLY ABOUT MASS AND ENERGY?

ENERGY AND MASS ARE EQUIVALENT AND CAN BE CONVERTED INTO EACHOTHER

20

WHAT DOES EINSTEIN'S EQUATION SUGGEST?
E=MC2

MASS AND ENERGY TOGETHER ARE CONSERVED

21

WHAT ARE NONRENEWABLE RESOURCES?

ITEMS THAT EXIST IN LIMITED QUANTITIES AND CANNOT BE REUSED

22

LIST FOUR EXAMPLES OF NONRENEWABLE RESOURCES.

OIL
COAL
NATURAL GAS
URANIUM

23

WHAT ARE SOME ADVANTAGES AND DISADVANTAGES OF USING FOSSIL FUEL?

THEY ARE INEXPENSIVE AND AVAILABLE
CAUSE POLUTION

24

AN ENERGY RESOURCE THAT CAN BE REPLACED IN A REASONABLY SHORT PERIOD OF TIME IS CALLED A ____________________.

RENEWABLE RESOURCE

25

DESCRIBE ONE CONVERSION THAT TAKES PLACE DURING THE GENERATION OF HYDROELECTRIC POWER.

POTENTIAL-WATER BEHIND THE DAM
KINETIC- WATER RELEASED FROM THE DAM

26

WATER PUMPED BELOW GROUND IS CONVERTED TO STEAM

GEOTHERMAL

27

THE MOST LIKELY RAW MATERIAL IS HYDROGEN

NUCLEAR FUSION

28

MIRRORS CONCENTRATE SUNLIGHT TO PRODUCE ELECTRICITY

SOLAR

29

KINETIC ENERGY OF MOVING AIR IS CONVERTED INTO ROTATIONAL ENERGY OF A TURBINE

WIND

30

ENERGY IS OBTAINED FROM FLOWING WATER

HYDROELECTRIC

31

CHEMICAL ENERGY STORED IN WOOD, PEAT, AND AGRICULTURAL WASTE CAN BE CONVERTED INTO THERMAL ENERGY

BIOMASS

32

HYDROGEN FUEL CELLS GENERATE ____________ BY COMBINING HYDROGEN WITH OXYGEN.

Electricity

33

WHAT ARE TWO WAYS THAT ENERGY RESOURCES AN BE CONSERVED?

TAKE SHORTER SHOWERS
TURN THE LIGHTS OFF WHEN NOT NEEDED

34

WHAT ARE THE TYPES OF RENEWABLE ENERGY?

HYDROELECTRIC
SOLAR
GEOTHERMAL
WIND
BIOMASS
NUCLEAR FUSION

35

WHEN AN OBJECT IS RAISED TO A HIGHER LEVEL, ITS _______________ POTENTIAL ENERGY INCREASES.

GRAVITATIONAL

36

THE MOTION OF MICROSCOPIC PARTICLES IN A MATTER PARTLY DETERMINES THE AMOUNT OF ____________________ WITHIN IT.

THERMAL ENERGY

37

ATOMIC FISSION QND FUSION PRODUCE __________________.

NUCLEAR ENERGY

38

WHEN YOUR MUSCLES MOVE,__________ FROM YOUR CEREAL IS CONVERTED INTO __________

CHEMICAL ENERGY
KINETIC ENERGY

39

PHOTOVOLTAIC CELLS CONVERT ______________ INTO ELECTRICAL ENERGY.

SOLAR ENERGYW

40

WHEN YOU SIT AROUND A CAMPFIRE, YOU ARE ENJOYING ENERGY STORED IN A WOOD- A TYPE OF ____________

BIOMASS ENEGY