
Calculating Energy Costs and Usage

Interactive Video
•
Mathematics, Science
•
5th - 8th Grade
•
Hard

Jackson Turner
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a kilowatt-hour a measure of?
The power of a device
The energy used by a 1,000 watt device in one hour
The cost of electricity
The voltage of a device
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the number of kilowatt-hours used by a device?
Subtract the hours from the watts
Add the watts and hours
Divide the total watts by 1,000
Multiply the watts by the hours used
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a television uses 200 watts per hour, how many kilowatt-hours does it use in 75 hours?
10 kilowatt-hours
15 kilowatt-hours
20 kilowatt-hours
25 kilowatt-hours
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in calculating the monthly cost of running a refrigerator?
Determine the total watts used in a month
Find the cost per kilowatt-hour
Calculate the daily usage
Estimate the monthly usage
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many kilowatt-hours does a refrigerator use if it runs for 8 hours a day at 575 watts?
175 kilowatt-hours
138 kilowatt-hours
160 kilowatt-hours
150 kilowatt-hours
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the cost of running a refrigerator for a month if the rate is 12 cents per kilowatt-hour and it uses 138 kilowatt-hours?
$16.56
$19.20
$15.60
$18.00
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many watts does an electric oven use if it is labeled as 4,000 watts?
2,000 watts
3,000 watts
5,000 watts
4,000 watts
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