Home Energy Use

Question 1

Factors that affect the amount of energy used in a home.

Answer 1

• behaviors of people
  -location-climates
  -size of home
  -number of people - age design of home
  -type of e available

Question 2

What uses hot water in a home?

Answer 2

• water heater - washing machine
  -dishwasher - sink - tub -shower

Question 3

Major appliances

Answer 3

Any device,office equipment,sound equipment,camera/video, smart products, Alexa, game system

Question 4

Energy

Answer 4

The ability to move something somewhere

Question 5

Efficiency

Answer 5

% of energy that goes towards the goal
% amount of energy to goal/total amount of e

Question 6

Energy efficient

Answer 6

The use of technology it does the same job but uses less energy. Major appliance

Question 7

HVAC

Answer 7

Heating Ventilation Air Conditioning
40-60% of bill
Keeps temp between 68-73F

Question 8

Appliances

Answer 8

Energy Efficient
High Efficiency vs. standard appliances

Question 9

What’s the GPE formula plus units

Answer 9

GPE(J) = m(kg)g(9.8)h(m)

Question 10

Ke formula and units

Answer 10

KE(J)=1/2m(kg)v2(m/s)

Question 11

Work formula and units

Answer 11

W (J) = f(N)d(m)

Question 12

Define energy transfer and energy transformation

Answer 12

Transfer - when energy from an object transfers to a object
Transformation - is when energy transfers to other forms

Question 13

Write the transfer for E for the drive a nail lab

Answer 13

Rod -> nail,tube,block and air

Question 14

Write the transformation of E for the drive a nail lab

Answer 14

GPE -> motion, heat and sound

Question 15

Write the transfer of E when a roll a coaster brakes at the end

Answer 15

Car -> track and air

Question 16

Write the transformation of E when a roller coaster brakes and comes to a stop at the end of the ride

Answer 16

Motion -> heat and sound

Question 17

What feature makes up the largest portion of the E bill

Answer 17

HVAC = 40-60% of bill heating ventilation air conditiong

Question 18

Why is it so hard to maintain a comfortable environment in a house

Answer 18

Heat -> colder place windows, doors, cracks, area poor insulation

Question 19

In teh summer oils heating coming into your house or is cold moving out of your house.

Answer 19

Heat moves in

Question 20

Describe the differences between a traditional tank hit water and tankless

Answer 20

Tank - heats 80-100 gallons 24/7, less efficient, can get hot water faster but can run out
Tankless - heat water on demand only , more efficient, can take a while to get hot water.

Question 21

Go and memorize 21-25

Answer 21

Now

Question 22

Most efffiecent lightbulb

Answer 22

LED

Question 23

MOst expensive and hardest

Answer 23

Windiws

Question 24

Where’s the GPE at its highest

Answer 24

Top of first hill

Question 25

Where’s is the most KE in a roller coaster

Answer 25

Dip of first hill