Lesson 2 Part 1 Review

Rotation

• The movement of one object around another or a complete journey around the sun

• The path one object makes as it revolves around another

• A complete turn (spin)

• Imaginary line between the North and South poles that passes through Earth

What causes a change in day and night?

• Someone flips a big light switch.

• Earth revolves around the sun

• Earth rotates to the WEST; one side of Earth faces the sun and the other faces away

• Earth rotates to the east; one side of Earth faces the sun and the other faces away

Time zone

• Areas on the same line of latitude

• Areas sharing the same time

• Areas with different times

• Areas that don't use daylight savings time

The following statement is an answer to which question:

If each town had its own time, it would be hard to keep track of

• Why is there daylight savings time?
• Why do seasons change?

• Why are there standard time zones?
• Why do we have clocks?

Orbit

• Imaginary line between the North and South poles that passes through Earth

• The path one object makes as it revolves around another

• A complete turn (spin)

• The movement of one object around another or a complete journey around the sun

Revolution

• The movement of one object around another or a complete journey around the sun

• The path one object makes as it revolves around another

• A complete turn (spin)

• Imaginary line between the North and South poles that passes through Earth

Axis

• 0 degrees longitude that goes through Greenwich, England

• Imaginary line between the North and South poles that passes through Earth

• 0 degrees latitude that goes around the middle of Earth

• The path one object makes as it revolves around another

Period during which hours of daylight and hours of darkness are of equal length everywhere on Earth

• Solstice
• Equinox
• Time Zone
• North Pole

Period during which hours of daylight are longest in one hemisphere and shortest in the other hemisphere

• Equinox
• Solstice
• South Pole
• Time Zone

What causes a change in seasons?

• The tilt of Earth's axis as it revolves around the sun.

• The Earth rotates and one side faces the sun while the other side does not.

• When it's time for different holidays.