1st Semester Earth Science Final

Front

What is the first step in the scientific method?

Back

Observe a problem.

Front

What is the temperature at which a substance changes state from solid to liquid?

Back

Melting point.

Front

How can we demonstrate ductility in metals?

Back

By taking metal and stretching it out into wire.

Front

What causes a nebula to start collapsing?

Back

Gravity.

Front

What are the four outer planets of our solar system?

Back

Jupiter, Uranus, Saturn, Neptune.

Front

What is the boiling point of water at sea level?

Back

100 degrees Celsius.

Front

What is the freezing point of water?

Back

0 degrees Celsius.

Front

What is the definition of a nebula?

Back

A large cloud of gas and dust in space, often the birthplace of stars.

Front

What is ductility?

Back

The ability of a material to be stretched into a wire.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.