Orbital Motion

What is the definition of orbit?

• An imaginary line that passes through a planet's center and its north and south poles, about which the planet rotates.

• The spinning motion of a planet on its axis.

• The path of an object as it revolves around another object in space.

• The movement of an object around another object.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What is the role of inertia in keeping the earth in its orbit?

• It balances out the force of gravity.

• It keeps the earth stationary in its orbit.

• It pushes the earth away from the sun.

• It pulls the earth towards the sun.

What is the role of gravity in keeping the earth in its orbit?

• It pulls the earth towards the sun.

• It pushes the earth away from the sun.

• It keeps the earth stationary in its orbit.

• It balances out the force of inertia.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the relationship between the earth's rotation and revolution?

• The earth rotates on its axis and this takes one month, the earth revolves around the sun and this takes one day.

• The earth rotates on its axis and this takes one day, the earth revolves around the sun and this takes one month.

• The earth rotates on its axis and this takes one year, the earth revolves around the sun and this takes one day.

• The earth rotates on its axis and this takes one day, the earth revolves around the sun and this takes one year.

The path one object takes as it revolves around another object in space is called

• revolution

• axis

• rotation

• orbit

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The path that one object takes around another object in space ​​is its (a)   .

• Orbit

• Axis

• Gravity

• Rotation

Tags

NGSS.MS-ESS1-1

The shape of the orbit of planets around the Sun is (a)   .

• Circle

• Ellipse

• Square

• Triangle

Tags

NGSS.MS-ESS1-1

The Moon orbits Earth in a ________________ direction

• clockwise

• counterclockwise

• upwards

• downwards

Tags

NGSS.MS-ESS1-1

What causes Earth and the other planets to move in a circular orbit around the sun?

• friction and magnetism

• gravity

• interia

• gravity and speed

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The sun's ________ keeps the planets in their orbits.

• friction

• gravity

• inertia

• magnetism

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4