Exploring the Earth-Sun-Moon System Pretest

Which of the following best describes the role of gravity in the motion of planets within the solar system?

• Gravity keeps planets in orbit around the sun.

• Gravity causes planets to move away from the sun.

• Gravity has no effect on the motion of planets.

• Gravity only affects the moons of planets.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the primary reason for the occurrence of lunar phases?

• The Earth's shadow falling on the moon.

• The moon's rotation on its axis.

• The relative positions of the Earth, sun, and moon.

• The moon's distance from the Earth.

Tags

NGSS.MS-ESS1-1

If you were to develop a model of the Earth-sun-moon system, which of the following would be essential to include to explain solar eclipses?

• The tilt of the Earth's axis.

• The orbit of the moon around the Earth.

• The rotation of the sun.

• The distance between the Earth and the sun.

Tags

NGSS.MS-ESS1-1

Which of the following statements is true about the scale properties of objects in the solar system?

• All planets are the same size.

• The sun is the largest object in the solar system.

• Moons are generally larger than planets.

• Asteroids are larger than planets.

Tags

NGSS.MS-ESS1-3

How does gravity influence the formation of galaxies?

• It causes galaxies to expand indefinitely.

• It pulls stars and other matter together to form galaxies.

• It has no effect on galaxies.

• It pushes galaxies apart.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the following best explains why we experience different seasons on Earth?

• The distance of the Earth from the sun changes significantly.

• The tilt of the Earth's axis relative to its orbit around the sun.

• The Earth's rotation speed changes throughout the year.

• The sun's energy output varies greatly.

Tags

NGSS.MS-ESS1-1

Which of the following is a result of the gravitational pull between the Earth and the moon?

• The occurrence of solar eclipses.

• The changing distance between the Earth and the sun.

• The tides on Earth.

• The Earth's rotation on its axis.

Tags

NGSS.MS-ESS1-1

When analyzing data about the solar system, which of the following would be most useful in determining the scale of planets?

• The color of each planet.

• The distance of each planet from the sun.

• The diameter of each planet.

• The number of moons each planet has.

Tags

NGSS.MS-ESS1-3

Which of the following best describes a new moon?

• The moon is fully illuminated.

• The moon is not visible from Earth.

• Half of the moon is visible.

• The moon is partially visible.

Tags

NGSS.MS-ESS1-1

How would you use a model to demonstrate the effect of gravity on the motion of planets?

• Show planets moving in straight lines away from the sun.

• Illustrate planets orbiting the sun in elliptical paths.

• Display planets rotating on their axes without moving.

• Depict planets moving randomly in space.

Tags

NGSS.MS-ESS1-2