Earth and Space Science CTA Review

Front

What alignment of the Sun, Moon, and Earth occurs during a spring tide?

Back

The Sun, Moon, and Earth are in a straight line.

Front

Where are the high tides located during a spring tide?

Back

High tides are on the sides facing and opposite the Moon.

Front

What property is NOT used to classify stars on the Hertzsprung-Russell diagram?

Back

Orbital period.

Front

What are the three main properties used to classify stars on the Hertzsprung-Russell diagram?

Back

Luminosity, Temperature, Color.

Front

What element do large and small stars both contain in the early stages of the universe?

Back

Hydrogen.

Front

Why are the outer planets unlikely to support life?

Back

Their surfaces are extremely cold.

Front

What is gravity?

Back

A force that pulls objects toward each other.

Front

How does gravity affect objects in space?

Back

It pulls them toward each other.

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 Hertzsprung-Russell diagram used for?

Back

To classify stars based on their luminosity and temperature.