ESS test - Galaxies and Stars

Front

Galileo lived around ___ and Newton around ___

Back

1600, 1700

Front

Once the temperature in the core of a (future) star gets high enough, the ___ process can begin.

Back

nuclear fusion

Front

Which is the smallest?

Back

electron

Front

Our star will become a red giant because the core ___

Back

is a lot hotter

Front

Which is negative?

Back

electron

Front

What is nuclear fusion?

Back

A process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What is the main difference between a proton and an electron?

Back

A proton has a positive charge, while an electron has a negative charge.

Front

What is a red giant?

Back

A late stage in the life cycle of a star where it expands and cools after exhausting its hydrogen fuel.

Front

What is the role of gravity in star formation?

Back

Gravity pulls together gas and dust in space to form stars.

Front

What is the core of a star?

Back

The central region where nuclear fusion occurs, producing energy.