kilogram

The kilogram is the SI base unit of mass. This topic is part of Measurement within Science & Nature. This page currently draws on 12 supporting questions, with answers and bonus facts available below.

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kilogram trivia questions

A kilogram is a metric unit of what?

Answer: Mass

Bonus fact: The kilogram is the SI base unit of mass.

How many grams are in one kilogram?

Answer: 1,000

Bonus fact: The prefix kilo means one thousand.

Since 2019, the kilogram has been defined using which physical constant?

Answer: Planck constant

Bonus fact: The modern SI kilogram is tied to a fixed value of the Planck constant.

The modern SI kilogram is defined by fixing the numerical value of which constant?

Answer: Planck constant

Bonus fact: The Planck constant is fixed at exactly 6.62607015 × 10^-34 joule-seconds in the SI.

What is the world's largest living rodent?

Answer: Capybara

Bonus fact: Capybaras can weigh more than 50 kilograms.

Which bluefin species is the largest?

Answer: Atlantic bluefin tuna

Bonus fact: Atlantic bluefin can exceed several hundred kilograms.

Ostrich eggs are the largest eggs produced by any living what?

Answer: Bird

Bonus fact: A single ostrich egg can weigh well over a kilogram.

What is the SI coherent derived unit of force?

Answer: newton

Bonus fact: One newton is equivalent to one kilogram-meter per second squared.

What distinction is the Goliath frog famous for?

Answer: It is the world's largest living frog

Bonus fact: Large individuals can weigh several kilograms.

What distinction does the Aldabra giant tortoise share with Galápagos tortoises?

Answer: It is one of the world's largest land tortoises

Bonus fact: Large adults can weigh well over 100 kilograms.

What is the common SI unit of density?

Answer: Kilograms per cubic meter

Bonus fact: Density has units of mass per volume.

Molality measures moles of solute per what?

Answer: Kilogram of solvent

Bonus fact: Molality uses the mass of the solvent rather than the total volume of the solution.

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