Science Trivia

Front

What is the longest distance measurement in astronomy?

Back

Parsec is the longest distance measurement in astronomy, equivalent to about 3.26 light-years.

Front

What is a light year?

Back

A light year is the distance that light travels in one year, approximately 5.88 trillion miles (9.46 trillion kilometers).

Front

What is the closest planet to the sun?

Back

Mercury is the closest planet to the sun.

Front

What is the smallest unit of life?

Back

Cells are the smallest unit of life, serving as the basic building blocks of all living organisms.

Front

How many bones are in the adult human body?

Back

There are 206 bones in the adult human body.

Front

What is the definition of a kilometer?

Back

A kilometer is a unit of length in the metric system, equal to 1,000 meters.

Front

What is an ångstrom?

Back

An ångstrom is a unit of length equal to 10^-10 meters, commonly used to measure atomic and molecular dimensions.

Front

What is the solar system?

Back

The solar system is a collection of celestial bodies, including the sun, planets, moons, asteroids, and comets, bound by gravity.

Front

What is the function of red blood cells?

Back

Red blood cells transport oxygen from the lungs to the rest of the body and return carbon dioxide to the lungs for exhalation.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.