Moon Phases and Earth's Movement

Dennis notices that the Moon appears to change shape over time. What is the duration for the Moon to go from a new moon to the next new moon?

• about one day

• about one week

• about one month

• about one season

Why do some constellations appear to move across the sky over the course of a year?

• Sun's rotation

• Earth's rotation

• Sun's revolution

• Earth's revolution

How long does it take for the Earth to complete one full rotation around the Sun?

• one day

• one week

• one year

• ten years

What causes the cycle of day and night on Earth?

• Earth’s axial tilt

• Earth’s spin on its axis

• Earth’s orbit around the Sun

• Sun orbiting Earth

What causes the apparent daily motion of the sun across the sky?

• The sun orbits around Earth.

• Earth spins on its axis.

• The stars move around Earth.

• Earth revolves around the sun.

Joshua noticed that the visible shape of the Moon changed over several weeks. This pattern repeated the following month. What is the most accurate explanation for this observation?

• The Moon's surface is illuminated by light from other planets.

• The Sun lights up different sections of the Moon as it orbits Earth.

• Earth's light reflects onto the Moon, changing its appearance.

• Earth casts shadows on the Moon as it revolves around it.

Which student provided the most accurate explanation for why the Moon appears to change shape throughout the month?

• Student 1 - The Moon's position in the sky changes, altering its shape.

• Student 2 - The Moon's shape changes due to shadows cast by clouds.

• Student 3 - The Moon's phases are due to its orbit around Earth and the reflection of sunlight, which changes the visible portion from Earth.

• Student 4 - The Moon physically grows and shrinks each month, creating different shapes.

How long does it take for the Earth to complete one full rotation on its axis?

• 24 hours

• 48 hours

• 12 hours

• 72 hours

Tags

CCSS.3.MD.A.1

A teacher shows the class a picture of the moon. She shows another picture of a planet as seen from Earth and points to the largest planet. What information does the class know about the moon and the planet from the pictures?

• The moon is larger than the planet.

• The planet is brighter than the moon.

• The moon and the planet both reflect light.

• The moon and the planet are both the same size.

From an observer's perspective on Earth, how does the Sun seem to travel across the sky throughout the day?

• The Sun seems to rise in the east and set in the west.

• The Sun seems to rise in the west and set in the east.

• The Sun seems to rise in the north and set in the south.

• The Sun seems to rise in the south and set in the north.