Earth's Movement and Seasons

The motion of a spinning object is called __________________.

• revolution

• rotation

• orbit

It takes Earth 24 hours to complete one full ______________________.

• revolution

• rotation

• orbit

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NGSS.MS-ESS1-1

Why do we have a leap year every 4 years? (Select all that apply)

• A full Earth year is actually 365.25 days

• We make up for this extra quarter-day by adding an extra day to the calendar

• .25 + .25 + .25 + .25 = 1 (4 quarter days = 1 whole day)

The path an object takes as it revolves around another object is called a(n) __________________.

• revolution

• rotation

• orbit

Tags

NGSS.MS-ESS1-1

If Earth’s __________ were not tilted, we would not experience different seasons.

• axis

• moon

• sunlight

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NGSS.MS-ESS1-1

No matter where Earth is along its orbit, the ___________ is never tilted away from the Sun.

• center

• equator

• middle

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NGSS.MS-ESS1-1

During our seasons, the temperature changes occur because the amount of ____________ at each location changes during the year.

• sunlight

• moisture

• precipitation

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

Sunlight hits the Earth _________ directly when it is winter.

• more

• less

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NGSS.MS-ESS1-1

Sunlight hits the Earth _________ directly when it is summer.

• more

• less

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

At an ____________, sunlight shines equally on the northern and southern hemispheres.

• equinox

• solstice

• neither

Tags

NGSS.MS-ESS1-1