Rotation and revolution

Spinning of the Earth on its axis is called...

• rotation
• revolution
• orbit

The earth's tilt is ______________degrees.

• 0
• 90
• 23.5
• 41

The Foucault pendulum is proof of Earth's

• revolution around the sun
• revolution around its axis
• rotation around the sun
• rotation around its axis

The coriolis effect is another proof of earth's rotation. This effect causes winds and ocean currents to be deflected to the _____________ in the Northern Hemisphere.

• right
• left
• north
• south

The earth's rate of rotation is...

• 1 degree per day
• 15 degrees per hour
• 15 degrees per day
• 365 days per year

The vertical ray of the sun hits 23.5N latitude on what day of the year?

• Sept 21
• Dec 21
• Mar 21
• June 21

During the equinoxes, the vertical ray of the sun hits what latitude?

• 23 1/2N
• 23 1/2 S
• 0
• 90N

When is the Sun directly overhead at noon in New York State?

• never
• September 21/March 21
• June 21
• Dec 21

If the earth rotated slower, how would that affect the length of the day?

• longer day
• shorter day
• same time,  24 hours

Because the earth revolves around the sun on a tilted axis...

• we have seasons
• we see different constellations in the sky different times of year
• the vertical ray of the sun travels from 23.5N to 23.5S
• All of the above