3. What is the approximate length of time it takes the Earth to complete one revolution around the sun?

• 14 days
• 29 days
• 180 Days
• 365 days

4. Which event occurs only twice each year?

• Lunar Eclipse
• Full Moon
• Equinox
• Low Tide

5. The illustration shows Earth without a tilted axis. What would happen if Earth’s axis were oriented in this way?

• Earth would stop rotating.
• There would be no seasons.
• The length of each day would change.
• All places on Earth would have equal temperatures.

6. A fifth grader noticed how air temperatures were cooler and there were fewer hours of daylight during some of the seasons. Which of the following contributes MOST to these seasonal changes?

• Earth rotates on its axis.
• Earth revolves around the Sun.
• The Earth's axis is tilted.
• The Sun moves further from Earth in winter.

7. In the Northern Hemisphere, June 21st has more hours of sunlight than any other day. What do we call the longest and the shortest days?

• Equinox
• Solstice
• Fall
• Equator

8. In December, one hemisphere of Earth will receive less energy from the Sun than the other hemisphere. Which statement best explains why this will occur?

• The axis is pointed toward the sun
• The axis is pointed away from the sun
• Sunlight traveling to Earth reflects off the Moon.
• Sunlight traveling to Earth is blocked by the Moon.

9. On Earth’s surface, when it is summer at point A, it is winter at point B. Which best explains why it is winter at point B?

• It's winter at point B because it is on the other side of Earth from point A.
• It's winter at point B because that part of Earth is tilted away from the sun.
• It's winter at point B because the sun's rays are not hitting it.
• It's winter at point B because the moon is blocking the sun's light.

10. When the Northern Hemisphere is tilted away from the Sun causing the rays of light to hit Earth at large angles, which season occurs?

• winter
• spring
• summer
• fall

11. The Earth rotates in a ______________ direction

• Clockwise
• Counter-Clockwise
• North and South
• Sideways

12. The moon...

• Revolves around the sun
• Rotates around the sun
• Revolves around the Earth
• Rotates around the Earth