Front

What kind of star is the sun?

Back

A medium star with luminosity = 1.

Front

What is it called when two plates move toward each other?

Back

Convergent.

Front

On which day will we have a spring tide?

Back

October 1st.

Front

Producers are always at the __________ of a food chain.

Back

Beginning.

Front

In general, as the radius of a star increases, what happens to its luminosity?

Back

The luminosity increases.

Front

What is the definition of a food chain?

Back

A sequence of organisms each dependent on the next as a source of food.

Front

What is the role of producers in an ecosystem?

Back

Producers convert sunlight into energy through photosynthesis.

Front

What type of plate boundary is formed when two plates move apart?

Back

Divergent.

Front

What is a spring tide?

Back

A tide that occurs when the sun, moon, and Earth are aligned, resulting in higher high tides and lower low tides.

Front

What is the difference between a medium star and a giant star?

Back

Medium stars have a moderate size and luminosity, while giant stars are much larger and more luminous.