Earth's Rotation and Shadows

What causes the change in shadow length throughout the day?

• The angle of sunlight changes as the Earth rotates.

• The distance of the Earth from the sun varies throughout the day.

• Cloud cover affects the length of shadows.

• The temperature changes, affecting the air density.

True or False: Shadows appear in the opposite direction of where the sun is located.

• True

• False

• Sometimes

• Only at noon

What is the relationship between the time of day and the direction of shadows?

• Shadows point towards the sun, so their direction remains constant throughout the day.

• Shadows point away from the sun, so their direction changes throughout the day.

• Shadows are always longest at noon regardless of the time of year.

• Shadows only change direction during sunrise and sunset.

What is the significance of knowing how shadows work in daily life?

• It helps us tell time, navigate, and understand the sun's movement.

• It allows us to predict the weather accurately.

• It is essential for photography and art.

• It helps in understanding animal behavior.

What happens to shadows when the sun is higher in the sky?

• Shadows become longer.

• Shadows become shorter.

• Shadows disappear completely.

• Shadows move to the east.

Why do shadows disappear at night?

• Because there is no sunlight to create them.

• Because the moonlight is too weak to cast shadows.

• Because the earth's rotation blocks light.

• Because objects become invisible at night.

What is the main reason shadows are created?

• Shadows are created when an object blocks light from a light source.

• Shadows are formed by the reflection of light on surfaces.

• Shadows are caused by the absorption of light by objects.

• Shadows are created when light is scattered in all directions.

What would happen to shadows if the sun were directly overhead?

• Shadows would be very long.

• Shadows would be very short or almost nonexistent.

• Shadows would disappear completely at night.

• Shadows would be cast in the opposite direction.

At what time of day do shadows typically point directly north in the Northern Hemisphere?

• Around noon.

• In the early morning.

• At sunset.

• Mid-afternoon.

When are shadows shortest during the day?

• In the early morning

• Around noon

• In the late afternoon

• At sunset