Earth and Sun Investigation 2 Review

What kind of movement does this diagram show?

• Earth’s tilt

• Earth’s orbit

• Earth’s revolution

• Earth’s rotation

The diagram demonstrates the cycle of day and night. Why is it day at the location of the X in South America and night in Africa?

• Earth is revolving around the sun.

• Earth has an imaginary line through it.

• The sun rises in the east and sets in the west.

• South America is turned toward the sun; Africa is turned away from it.

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Earth rotates from west to east once every 24 hours. As the planet rotates, some areas experience day, while other areas experience night. If Earth rotated from east to west, which area of the United States would experience sunrise first?

• Texas

• Oregon

• Hawaii

• Maine

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If you stayed up all night and watched the moon, what would you expect to see the moon do?

• The moon would rise in the east and set in the west.

• The moon would rise in the west and set in the east.

• The moon would change from a crescent to a full moon.

• The moon would change from a full moon to a crescent.

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In the early 1600's an Italian scientist, Galileo, redesigned a new invention, the telescope. With the aid of the telescope, Galileo came to an important conclusion: an earlier scientist, Copernicus, had been correct in stating that Earth and the other planets revolve around the sun and that Earth rotates on an axis. As we watch the sky, we observe the sun and visible planets, such as Venus, appear to rise in the east and set in the west. What is the cause of this apparent movement across the sky?

• Earth's rotation from west to east

• Earth's revolution around the sun

• The tilt of Earth's axis toward the sun

• The tilt of Earth's axis away from the sun

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The drawing shows Earth's rotation on its axis. As Earth spins, different areas of the planet face the sun and experience daylight. According to the drawing, in which part of the world is it daylight?

• Africa

• Asia

• Europe

• South America

How is Earth's orbit similar to this diagram of the moon's orbit?

• Both Earth and the moon orbit the sun.

• Earth orbits the sun in a circular-shaped path the same way the moon orbits Earth.

• Earth's revolution around the sun takes the same amount of time as the moon's revolution around Earth.

• Both Earth and the moon orbit a star.

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Keshanta used a globe and a lamp without a shade to demonstrate how day changes to night on Earth. She turned on the lamp, tapped the 40-watt light bulb with her finger and explained that the bulb represented the sun. Keshanta then rotated the globe and pointed out how only parts of the globe were lit. What should she think about the next time she does her demonstration?

• Use cards that read sun and Earth as she points to the bulb and the globe.

• Demonstrate how Earth orbits the sun.

• Use a stronger light source.

• Not touch the light bulb.

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Jared plans to keep a log of when daylight ends every Monday during the months of April, May, and June. He will use the clock on his computer and note the time in his journal. What will cause the number of daylight hours to increase from month to month?

• Earth tilts toward the sun causing more sunlight.

• Earth rotates from west to east.

• Sunlight is affected in the Northern Hemisphere.

• Earth makes a revolution around the sun.

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The diagram below shows something people believed about the Earth long ago. What did scientists learn that made them reject this belief about the solar system?

• Earth spins on its axis.

• Gravity keeps Earth in the solar system.

• Earth revolves around the sun.

• Earth has a moon.

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