3.4-Earth’s Day and Night

Which of these changes would likely occur if the rate of Earth's rotation on its axis increased?

• The length of the seasons would be shorter.

• The length of the seasons would be longer.

• The length of a day would be shorter.

• The length of a day would be longer.

A student wants to use a spinning basketball to model the day-and-night cycle on Earth.

What should the student do in order to best model the cause of the day-and-night cycle?

• Spin the ball in different directions

• Tilt the ball while it is spinning

• Paint one half of the ball black and the other half white

• Shine a bright light on one side of the ball

Tags

NGSS.MS-ESS1-1

Which of these locations on Earth experiences the least change in the number of daylight hours throughout the year?

• Equator

• North Pole

• Tropic of Cancer

• Tropic of Capricorn

Tags

NGSS.MS-ESS1-1

The turning or spin of Earth on its axis.

• Revolution
• Rotation
• Rounding
• Rousting

Tags

NGSS.MS-ESS2-6

What is the result of the Earth’s rotation?

• Seasons
• Eclipses
• Moon Phases
• Day and Night

Why do all of the stars in the northern sky appear to rotate around Polaris (the North star)?

• The south pole axis is pointed directly at Polaris
• Earth's magnetic poles are aligned to Polaris
• The north pole axis is pointed directly at Polaris
• The stars don't look this way. It is an optical illusion.

Tags

NGSS.MS-ESS1-1

What is meant by revolution of the Earth around the Sun?

• orbit of Earth
• turning of Earth
• change of magnetic poles
• answer not shown

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Earth rotates approximately ______ time(s) and revolves approximately ______ time(s) each year.

• 23.5 / 90

• 4 / 365

• 365 / 1

• 12 / 7

Define the term "axis" according to the lesson.

Define the term "orbit" according to the lesson.