Unit 1+ Unit 2 Earth Space Science

Front

What is Carbon-14 dating?

Back

A method used to determine the age of an object containing organic material by measuring the amount of Carbon-14 it contains.

Front

What is the half-life of Carbon-14?

Back

Approximately 5730 years, which is the time it takes for half of the Carbon-14 in a sample to decay.

Front

What is the Big Bang Theory?

Back

The leading explanation about how the universe began, stating that it was formed from a singular explosion that caused its expansion.

Front

What is a Red Giant?

Back

A late stage in a star's life cycle when it has exhausted its hydrogen fuel and begins to fuse helium, causing it to expand.

Front

What is nuclear fusion?

Back

The process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy, which powers stars like the Sun.

Front

What does an H-R Diagram represent?

Back

A graph that plots stars' brightness against their temperature, helping to classify stars and understand their evolution.

Front

What are the three main characteristics of stars shown in an H-R Diagram?

Back

Temperature, brightness (luminosity), and color.

Front

What happens during a supernova?

Back

A supernova is a powerful and luminous explosion of a star, marking the end of its life cycle.

Front

What is a Black Hole?

Back

A region in space where the gravitational pull is so strong that nothing, not even light, can escape from it.

Front

What is a White Dwarf?

Back

A small, dense star that is the remnant of a star that has exhausted its nuclear fuel and shed its outer layers.