Earth's Days Years Seasons

Which statement explains why each Earth day is 24 hours long?

• It takes Earth 24 hours to rotate once on its axis.

• It takes the moon 24 hours to rotate once on its axis.

• It takes the moon 24 hours to complete one orbit of Earth.

• It takes Earth 24 hours to complete one orbit of the sun.

Tags

NGSS.MS-ESS1-1

The Northern Hemisphere receives more solar energy during one half of the year than it does during the other half of the year. Why?

• The distance of the Northern Hemisphere from the sun changes.

• The angle at which sunlight reaches the Northern Hemisphere changes.

• The angle that Earth is tilted on its axis changes.

• The amount of energy that is produced by the sun changes.

Tags

NGSS.MS-ESS1-1

The length of a day is determined by Earth's _______________.

• rotation

• axis

• orbit

• tilt

It takes Earth 24 ________ to make one rotation on its axis.

• seconds

• days

• hours

• years

Tags

NGSS.MS-ESS2-6

The length of a year is determined by Earth's ________________ around the sun.

• tilt

• rotation

• axis

• orbit

Tags

NGSS.MS-ESS1-1

It takes Earth about 365 and a quarter _________ to orbit around the sun.

• days

• hours

• years

• weeks

Tags

NGSS.MS-ESS1-1

Earth's temperature and hours of daylight stay the most constant at the _______________.

• North Pole

• South Pole

• equator

• prime meridian

When it is summer in the Northern Hemisphere, it is ___________ in the Southern Hemisphere.

• summer

• autumn

• spring

• winter

Tags

NGSS.MS-ESS1-1

The sun orbits Earth causing day and night.

• True

• False

Tags

NGSS.MS-ESS1-1

Earth rotates twice in 24 hours. The first rotation causes day, the second causes night.

• True

• False

Tags

NGSS.MS-ESS1-1