Ess1

A sign makes a shadow on the playground. Mary drew the shadow at 2:00 p.m. and 4:00 p.m. Which of these explains the differences in the shadow at these two times?

• As Earth gets closer to the sun, shadows become shorter.

• The distance between Earth and the sun changes during the day.

• The angle between the sun and the signpost changes during the day.

• As the sun gets brighter, the size of the shadow made by the signpost increases.

Tags

NGSS.MS-ESS1-1

Harry made this model of the sun and Earth. Which of these facts does the model let Harry demonstrate?

• The length of Earth’s year is 365 days.

• The seasons change on Earth as it orbits the sun.

• The sun lights one-half of Earth’s surface at a time.

• The time between one morning and the next is 24 hours.

Tags

NGSS.MS-ESS1-1

Earth is tilted on its axis. Which of these would not exist if Earth had no tilt?

• gravity

• seasons

• lunar phases

• Earth’s rotation

Tags

NGSS.MS-ESS1-1

Sean looks at his calendar. He sees that tonight’s phase of the moon will be a new moon. Which will be the next phase Sean sees after the new moon?

• full moon

• first quarter

• third quarter

• another new moon

Tags

NGSS.MS-ESS1-1

One of Earth’s motions causes it to have four seasons. Which of these motions causes Earth to have four seasons?

• revolving

• rotating

• spinning

• vibrating

Tags

NGSS.MS-ESS1-1

Which set of pictures shows the correct order of moon phases?

• Full moon, New moon, First quarter moon, Third quarter moon

• New moon, First quarter moon, Full moon, Third quarter moon

• New moon, First quarter moon, Full moon, Third quarter moon

• Full moon, New moon, Third quarter moon, First quarter moon

Tags

NGSS.MS-ESS1-1

What causes different constellations to be visible from Earth at different times of year?

• Earth's orbit around the Sun

• Earth's rotation on its axis

• movement of the stars

• none of these

How long does it take the Earth to orbit the sun?

• 365.25 days

• 24 hours

• 1 day

• 1 month

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

A cluster of stars in the sky that have been grouped together in a pattern is called _____

• an arrangement

• an orbit

• a constellation

• a diagram

The distance that light travels in a year is referred to as a ...

• paralax

• zenith

• light year

• nebula

Tags

NGSS.MS-ESS1-3