Rotation and Revolution

Rotation and Revolution

Pattern Effects

Earth's Rotation

-Earth spinning on its axis

-takes 24 hours/1 day

-gives us our day and night cycle

-causes shadows

-makes the Sun look like it's moving (apparent movement of the Sun)

Multiple Choice

How long does it take Earth to complete one rotation on it's axis?

• one year

• 365 days

• 24 hours or 1 day

• the Earth does NOT rotate

Multiple Select

Earth's rotation causes -

• shadows

• day and night

• apparent movement of the Sun

• a year

Shadow Patterns

• early in the morning shadows are long and face west

• at noon shadows are the shortest and face north or south

• in the afternoon shadows get longer and face east

• these patterns happen because the Earth is spinning from west to east;counterclockwise

Multiple Choice

When are shadows the shortest?

• in the morning

• noon

• afternoon

Apparent movement of the Sun

-the Sun appears to move in the sky

-Earth is really the one who is moving

-the Sun looks like it is moving from east (rise) to west (set)

-the Earth rotates or spins from west to east

Multiple Choice

Why does the Sun appear to move?

• because it is moving

• because the Earth is rotating clockwise

• because the Earth is rotating counterclockwise; west to east

• because it is at the center of the solar system

Earth's Revolution

- Earth revolves around the Sun, this is it's orbit

-it takes Earth 365 days to complete one revolution around the Sun

-the Earth's revolution + the Earth's tilt = Seasons

-when the Earth is tilted toward the Sun it is summer

-when the Earth is tilted away from the Sun it is winter

Multiple Select

Which of the following are true?

• it takes Earth 365 days to complete one revolution around the Sun

• Earth's revolution causes day and night

• Earth's revolution and tilt cause the seasons

• Earth does NOT revolve

Poll

Did you like this review?

• Yes

• No

• I would rather work on SeeSaw

• I am neutral. That means how you do your work doesn't really matter to you. You will learn anyway.