17.1 - Forms Of Energy

Question 1

Energy:

Answer 1

making something change or moveing something

Question 2

Potenial Energy:

Answer 2

energy stored in something’s shape or location

ex. :mouse trap & spring

Question 3

E + MC2 means:

Answer 3

Energy = Mass(matter) multiplied by extremly large #, squared

Question 4

Conservation Law:

Answer 4

Matter can neither be created or destroyed (just move around)

Question 5

Energy types: (6)

Answer 5

Mechanical, Kinetic, Electro Magnetic, Themal, Nuclear, Electrical

Question 6

Electro Meagnetic Energy:

Answer 6

unseen waves with no need for atoms

Question 7

Thermal Energy:

Answer 7

kinetic energy of atom (heat)

Question 8

True/Fasle: Matches are a form of potenial energy consiting of thermal & electro megnetic energy

Answer 8

True

Question 9

True/Fasle: Most are cars are highly efficent

Answer 9

False; 22% - 30%

Question 10

Two types of Nuclear Energy:

Answer 10

Fussion & Fission

Question 11

Nuclear Fission:

Answer 11

atomic nuclei spliting; 38% of PA energy

Question 12

Nuclear Fusion

Answer 12

atomic nuclei combining

Question 13

Elctrical Energy:

Answer 13

Flow of electrons

Question 14

Sound energy:

Answer 14

reguires atoms to travel

Question 15

True/Fasle: A radio gains electricity but loses some that becomes heat; most electricity becomes sound

Answer 15

True

Question 16

Efficiency:

Answer 16

The amount of energy exprssed as a percentage; actually does the work the machine is intended to do