CBA #2 Review Stars, EMS, Seasons, Tides, Energy Transfer

Front

What type of energy transfer occurs with a fan?

Back

Electrical energy to mechanical energy.

Front

Which season has the least amount of daylight in the Northern Hemisphere?

Back

Winter.

Front

What changes as you move from the bottom to the top of the H-R diagram?

Back

Luminosity or Brightness.

Front

Are Giants considered hotter than White Dwarfs?

Back

False.

Front

Which star is the coldest?

Back

Red Star.

Front

What is the main source of energy for the Earth?

Back

The Sun.

Front

What causes tides on Earth?

Back

The gravitational pull of the Moon and the Sun.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of an object on its axis, while revolution is the movement of an object around another object.

Front

What is the significance of the equinoxes?

Back

Equinoxes mark the times of the year when day and night are of approximately equal length.

Front

What is the main factor that affects the seasons on Earth?

Back

The tilt of the Earth's axis.