Human rights are basic freedoms and protections that all people deserve simply because they are human, regardless of who they are or where they live. These include rights like freedom of speech, the right to a fair trial, and protection from torture.

Tap to flip back

Money is anything widely accepted as payment for goods and services, and it serves as a store of value and a way to measure worth. Today, most money exists as digital numbers in bank accounts, coins, and paper bills.

Tap to flip back

Agriculture was important because it allowed humans to stop moving around hunting and gathering food, and instead grow crops and raise animals in one place. This led to permanent settlements, larger populations, and the development of civilizations.

Tap to flip back

The observable universe is about 93 billion light-years across in diameter. This is the largest distance we can see in all directions from Earth, limited by how far light has traveled since the Big Bang.

Tap to flip back

Day and night occur because Earth rotates on its axis, causing different parts of the planet to face toward and away from the Sun. As your location rotates toward the Sun, you experience day; as it rotates away, you experience night.

Tap to flip back