Physics master deck

Question 1

Energy is defined as the ability to make ________ happen.

Answer 1

changes

Question 2

Energy is measured in units called ________.

Answer 2

Joules

Question 3

One kilojoule is equivalent to ________ joules.

Answer 3

1000

Question 4

Forms of energy include e________ , s________ , l________, and h________.

Answer 4

electrical, sound, light, heat

Question 5

The three ways that energy can transfer from one object to another are:

Answer 5

conduction, convection, or radiation

Question 6

Energy can transform from one form to another. For example, k ________ energy can transform into t ________ energy.

Answer 6

kinetic, thermal

Question 7

Whatis the name of a diagram that represent how energy transforms from one form to another?

Answer 7

energy flow diagram

Question 8

The Law of Conservation of Energy states that energy cannot be c ________or d ________, only t ________ from one form to another.

Answer 8

created, destroyed, transformed

Question 9

In energy transformations, some energy is considered u ________, while some is considered w ________ .

Answer 9

useful, wasted

Question 10

Energy efficiency is calculated as ________ energy output divided by ________ energy input, multiplied by 100.

Answer 10

useful, total

Question 11

________ is a form of energy measured in Joules.

Answer 11

Heat

Question 12

Heat is measured in ________, while temperature is measured in ________.

Answer 12

Joules, degrees Celsius

Question 13

Heat can transfer through c ________, c ________, or r ________.

Answer 13

conduction, convection, radiation

Question 14

________ allow heat to pass through easily, while ________ prevent heat transfer.

Answer 14

Conductors, insulators

Question 15

Potential energy is stored energy, and examples include g________, c________, e________, and n________ energy.

Answer 15

gravitational, chemical, elastic, nuclear

Question 16

Gravitational potential energy is calculated with the formula PE = ________ × ________ × height.

Answer 16

mass, gravity

Question 17

________ energy is the energy associated with moving objects.

Answer 17

Kinetic

Question 18

Kinetic energy is calculated with the formula KE = ________ × mass × speed².

Answer 18

0.5

Question 19

In the home, energy is often consumed in areas such as h ________, l ________, and powering applicances.

Answer 19

heating, lighting

Question 20

The global effects of greenhouse gases include contributing to ________ and ________.

Answer 20

climate change, global warming

Question 21

List three ways that energy-efficient houses reduce energy consumption.

Answer 21

insulation, solar panels, LED

Question 22

Solar, wind and hydro are examples of…

Answer 22

renewable energy

Question 23

Non-renewable energy sources include ________, ________, and ________.

Answer 23

coal, oil, natural gas

Question 24

Renewable energy is s ________, but what is a disadvantage?

Answer 24

sustainable, high initial costs

Question 25

A plane taking off on the runway is classified as k________ energy, with the specific type being m________ energy.

Answer 25

kinetic, mechanical

Question 26

A kid landing on a trampoline is classified as ________ energy with the specific type of ________ energy.

Answer 26

kinetic, elastic

Question 27

A dog chasing the postman is classified as ________ energy with the specific type of ________ energy.

Answer 27

kinetic, mechanical

Question 28

A campfire ready for lighting is classified as ________ energy with the specific type of ________ energy.

Answer 28

potential, chemical

Question 29

A cliff diver at the top of a cliff is classified as ________ energy with the specific type of ________ energy.

Answer 29

potential, gravitational

Question 30

A guitar being played is classified as ________ energy with the specific type of ________ energy.

Answer 30

kinetic, sound

Question 31

A pot of boiling water is classified as ________ energy with the specific type of ________ energy.

Answer 31

kinetic, heat

Question 32

Sitting at the top of a tree is classified as ________ energy with the specific type of ________ energy.

Answer 32

potential, gravitational

Question 33

A radioactive (nuclear) atom is classified as ________ energy with the specific type of ________ energy.

Answer 33

potential, nuclear

Question 34

Energy is defined as the ability to do ________.

Answer 34

work

Question 35

Potential energy is the stored energy an object has due to its p ________ or c ________.

Answer 35

position, condition

Question 36

Kinetic energy is the energy an object has due to its ________.

Answer 36

motion

Question 37

34 MegaJoules is equivalent to ________ Joules.

Answer 37

34,000,000

(34 × 1,000,000)

Question 38

560 KiloJoules is equivalent to ________ Joules

Answer 38

560,000

(560 × 1,000)

Question 39

234,000,000 Joules is equivalent to ________ MegaJoules

Answer 39

234

(234,000,000 ÷ 1,000,000)

Question 40

500,000 Joules is equivalent to ________ KiloJoules

Answer 40

500

(500,000 ÷ 1,000)

Question 41

Energy flow of boiling water in a kettle:
e ________energy is converted into t________ energy in the water.

Answer 41

electrical, thermal

Electrical Energy → thermal energy in water.

Question 42

Energy flow of generating electrical energy at a coal-fired power station:
c________ energy in coal is converted to t________ energy from burning, then to k________ energy as steam/turbine movement, and finally to e________ energy.

Answer 42

chemical, thermal, kinetic, electrical

chemical → thermal → kinetic → electrical

Question 43

A Person Bungee Jumping:
g____________ p________ energy (at the top) →k ____________ energy (falling) → e________ p _________ energy (in the cord) → back to k_________ energy (rebound).

→ = converted to

Answer 43

Kinetic Energy, Elastic Potential Energy, Kinetic Energy

Question 44

Energy flow of generating electrical energy using wind turbine:
k________ energy (wind) is converted to m________ energy (turbine rotation) and then to e________ energy.

Answer 44

kinetic, mechanical, electrical

Question 45

Energy flow of an archer shooting an arrow:
e __________ p___________ energy (in the bow) → k __________ energy (arrow in motion).

Answer 45

elastic potential, kinetic

Question 46

Generating Electrical Energy using Hydroelectric Power: ________ (water at height) → ________ (flowing water) → ________ (turbine rotation) → ________.

Answer 46

Gravitational Potential Energy, Kinetic Energy, Mechanical Energy, Electrical Energy

Question 47

The Law of Conservation of Energy is the principle that energy cannot be c________ or d________ only t________ from one form to another.

Answer 47

created, destroyed, transformed

Question 48

Complete the sentence using type and object

The difference between transforming energy and transferring energy is …

Answer 48

that transforming energy changes its type while transferring energy moves it from one object to another.

Question 49

A hairdryer has an energy input of 1500 J and gives out 1300 J of useful heat energy. How efficient is the hairdryer?

Answer 49

86.67%

Question 50

Efficiency formula problems

Refer to questions 23 - 25 of Revision book

Answer 50

Rate according to your understanding.

Question 51

Heat is the transfer of e________ between objects that are at different t________. Heat is measured in J________.

Answer 51

energy, temperatures, Joules

Question 52

Temperature is a measure of the average k________ energy of particles in a substance, measured in D________ c________ or K________.

Answer 52

kinetic, degrees Celsius, Kelvin

Question 53

Convection is the transfer of heat through the m________ of fluids (liquids or gases), where warmer, less d________ fluid rises, and cooler, more dense fluid s________.

Answer 53

movement, dense, sinks

Question 54

Conduction is the transfer of heat through direct c________ between particles in a solid, where energy moves from particles with h________ energy to those with l________ energy.

Answer 54

energy, contact, higher, lower

Question 55

Radiation is the transfer of heat through e________ waves, which can travel through a v________ without needing a medium.

Answer 55

electromagnetic, vacuum

Question 56

Define heat using the following terms: energy, temperature, joules.

Answer 56

Heat is the transfer of energy between objects that are at different temperatures. Heat is measured in joules.

Question 57

Define temperature using the following terms: kinetic, degrees Celsius, Kelvin.

Answer 57

Temperature is a measure of the average kinetic energy of particles in a substance, measured in degrees Celsius or Kelvin.

Question 58

Define convection using the following terms: movement, dense, sinks.

Answer 58

Convection is the transfer of heat through the movement of fluids (liquids or gases), where warmer, less dense fluid rises, and cooler, more dense fluid sinks.

Question 59

Define conduction using the following terms: contact, higher, lower.

Answer 59

Conduction is the transfer of heat through direct contact between particles in a solid, where energy moves from particles with higher energy to those with lower energy.

Question 60

Define radiation using the following terms: electromagnetic waves, vacuum, medium.

Answer 60

Radiation is the transfer of heat through electromagnetic waves, which can travel through a vacuum without needing a medium.

Question 61

Zac’s new nickname is z____ z

rhymes with whippy

Answer 61

:)