Seasons, Moon Phases, Light and Shadows

Which season generally has the coldest temperatures?

• Fall
• Winter
• Spring
• Summer

What is the season in the Northern Hemisphere when the North Pole is pointed toward the sun?

• Fall
• Winter
• Spring
• Summer

During which season is sunlight the most intense?

• Fall

• Winter

• Spring

• Summer

What causes the phases of the moon?

• the moon's orbit around Earth

• Earth's orbit around the sun

• the moon's orbit around the sun

• gravity

Where does the light that allows us to see the moon come from?

• Earth

• Sun

• the moon

• stars

Which of these is the main cause of Earth's seasons?

• Earth's orbit around the sun and tilted axis

• Earth's rotation and tilted axis

• The distance between the Earth and sun

• The pull of gravity between Earth and the moon

Why do the shadows change at different times of the day?

• As Earth rotates on its axis, the direction from which sunlight reaches Earth changes.

• As the sun rotates, the direction from which sunlight reaches Earth changes.

• As Earth revolves around the sun, the direction from which sunlight reaches Earth changes.

• As the sun moves around Earth during the day, the direction from which sunlight reaches Earth changes.

When is a shadow formed?

• when there is no source of light

• when the path of light is blocked by an object

• when the sun shines

• when light travels past an object and lands on the wall

Which of the following would most likely be the first day of summer in the Northern Hemisphere?

• March 21

• December 21

• September 21

• June 21

The sky is clear with many stars but no moon. The moon is not seen because -

• it is a waning gibbous moon

• it is a waning crescent moon

• it is a new moon

• it is a full moon