Motion in Space

Which statement below best explains why City #3 experiences the smallest change in seasons and length of day throughout the year?

• Earth rotates on its axis once every 24 hours.

• City #3 is located close to the Equator.

• Earth completes one revolution of the Sun every 365 days.

• City #3 is closest to the Sun during the North Hemisphere’s winter.

Tags

NGSS.MS-ESS2-6

The diagram below shows four positions in Earth's orbit around the Sun. The Northern hemisphere experiences the beginning of Spring when Earth is in (a)   .

• Position 1

• Position 2

• Position 3

• Position 4

Tags

NGSS.MS-ESS1-1

Which of the changes below would result in Earth no longer having seasons?

• If Earth was no longer tilted on its axis.

• If Earth stopped rotating on its axis.

• If Earth took an additional month to orbit the Sun.

• If Earth revolved around the Sun in the opposite direction.

Tags

NGSS.MS-ESS1-1

The model shows Earth is several positions relative to the sun. In which position is it winter in North America?

• Position #1, because North America receives the most sun.

• Position #2, because North America is tilted toward the sun.

• Position #3, because North America is parallel to the sun.

• Position #4, because North America is tilted away from the sun.

Tags

NGSS.MS-ESS1-1

What is the motion of a body that travels around another body in space?

• Rotation

• Revolution

• Equinox

• Seasons

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The motion of a body orbiting another body in space is called _____.

• revolution 

• period of revolution

• rotation

• period of rotation

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

The motion of a body orbiting around another body in space is called _____.

• revolution

• rotation

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

How does gravity affect the motion of planets in the solar system?

• It causes planets to move in straight lines.

• It keeps planets in orbit around the Sun.

• It has no effect on planetary motion.

• It pushes planets away from the Sun.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the following best explains why the planets do not fall into the Sun?

• The Sun repels the planets.

• The planets have a sideways velocity that keeps them in orbit.

• The gravitational force is too weak to affect the planets.

• The planets are too far away to be affected by the Sun's gravity.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the following is true about the gravitational force between the Earth and the Sun?

• It is weaker than the gravitational force between the Earth and the Moon.

• It is the force that keeps Earth in orbit around the Sun.

• It has no effect on Earth's orbit.

• It is stronger than the gravitational force between any two objects on Earth.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4