Front

What is the life cycle of a star like our Sun?

Back

The life cycle of a star like our Sun includes the following stages: Nebula, Main Sequence, Red Giant, Planetary Nebula, White Dwarf, Black Dwarf.

Front

What does convection refer to in Earth science?

Back

Convection is the process of heat transfer through the movement of fluids (liquids and gases) caused by differences in temperature and density.

Front

What does the candle represent in a convection demonstration?

Back

In a convection demonstration, the candle represents the sun’s heat.

Front

What does the moving spinner represent in a convection demonstration?

Back

The moving spinner represents air in the atmosphere.

Front

What happens to cool air in convection?

Back

Cool air sinks.

Front

Where is our solar system located in the Milky Way galaxy?

Back

Our solar system is located on one of the spiral arms of the Milky Way galaxy.

Front

What direction do cold fronts typically move?

Back

Cold fronts typically move southeast.

Front

What is a nebula?

Back

A nebula is a giant cloud of dust and gas in space, often the birthplace of stars.

Front

What is a white dwarf?

Back

A white dwarf is a small, dense star that is the remnant of a star like our Sun after it has exhausted its nuclear fuel.

Front

What is a red giant?

Back

A red giant is a late stage in the life cycle of a star, characterized by a large size and a reddish color due to cooler surface temperatures.