Energy Conversion Quiz

What are the two units of measurement discussed in the context of thermal energy and heat?

• Calories and Watts

• Joules and Watts

• Joules and Calories

• Calories and Volts

What is the conversion factor from calories to joules?

• 1 calorie = 3.18 joules

• 1 calorie = 6.18 joules

• 1 calorie = 4.18 joules

• 1 calorie = 5.18 joules

If you have 45.8 calories, how many joules is this equivalent to?

• 191.145 joules

• 1911.45 joules

• 191.45 joules

• 19111.45 joules

To convert joules to calories, what operation is primarily used?

• Multiply by 4.18

• Divide by 4.18

• Add 4.18

• Subtract 4.18

How many calories are equivalent to 8,650 joules?

• 2069 calories

• 269.5 calories

• 269 calories

• 2690 calories

What is the first step in converting kilocalories to kilojoules?

• Multiply by 1000

• Divide by 1000

• Multiply by 4.18

• Divide by 4.18

How many kilojoules are equivalent to 90 kilocalories?

• 37620 kilojoules

• 37.62 kilojoules

• 3762 kilojoules

• 376.2 kilojoules

What is the first step in converting kilojoules to kilocalories?

• Divide by 4.18

• Multiply by 4.18

• Divide by 1000

• Multiply by 1000

If you have 30 kilojoules, how many kilocalories is this equivalent to?

• 0.72 kilocalories

• 720 kilocalories

• 72 kilocalories

• 7.2 kilocalories

What is the conversion factor from joules to kilojoules?

• 1 kilojoule = 100 joules

• 1 kilojoule = 1000 joules

• 1 kilojoule = 10 joules

• 1 kilojoule = 10000 joules