Earth Science Flashcard 1

Front

Everything falls downward or towards the Earth's center

Back

True

Front

The force that pulls one object toward another object is:

Back

Gravity

Front

Earth's gravity pulls all objects towards the planet's center.

Back

True

Front

One factor that affects the strength of gravity's pull is:

• The gravitational force on the object
• The size of the object
• The mass of the object
• The distance between two objects pulling on each other

Back

The distance between two objects pulling on each other

Front

The farther from the Earth's surface an object is, the stronger gravity pulls on it.

Back

False

Front

What causes the revolution of the moon around the Earth?

Back

The gravitational force between the moon and Earth

Front

The gravitational force between the Sun and Earth keeps Earth in motion around the sun.

Back

True

Front

Gravitational force pulls objects towards each other.

Back

True

Front

What is the best definition of a star?

Back

a ball of heat that gives off light and energy

Front

Why does the sun appear brighter and larger than any other star?

Back

It is the closest star to Earth.