How Do Shadows Change?

What is a shadow?

• a black object

• Dark part behind a solid object where the sunlight can reach.

• Dark part behind a solid object where the sunlight can not reach. 

Why does a shadow move on an object that always stays still?

• The shadow never changes. It always stays exactly the same. 

• The sun is constantly moving in the sky.

• The object is moving with the wind. 

If the sun never moves, then how does a shadow continue to change throughout the day?

• The Earth and Sun never move so a shadow always stays the same. 

• The sun moves through the sky everyday. 

• The Earth is constantly moving on its axis so it makes it look like the Sun is moving which then changes the shadow. 

How did the shadow change from 7:00am to Noon?

• It got longer as time got closer to noon, but it still stayed pointing to the west. 

• It got shorter as time got closer to noon, but it still stayed pointing to the east. 

• It got shorter as time got closer to noon, but it still stayed pointing to the west. 

What happens to the shadow at Noon?

• There is hardly any shadow at noon since the sun is high in the sky. It will point North or South.

• There is hardly any shadow at noon since the sun is high in the sky. It will point East or West.

How did the shadow change in the evening by 6:00 PM?

• The shadow didn't change. It was exactly the same in the evening as it was in the morning. 

• It got long again, but now is pointing East.

• It got long again, but now is pointing West.

What patterns did we see the lamp post follow?

• Long in the morning and pointing to the East. Short at noon. Long in the evening and pointing to the West. 

• Short in the morning and pointing to the West. Long at noon and pointing North or South. Short in the evening and pointing to the east.

• Long in the morning and pointing to the West. Short at noon. Long in the evening and pointing to the East.

Which answer choice correctly fills in the blank for Graph 1: 

When the sun is ____ in the sky, shadows are ____. When it's ____ in the sky, shadows are ____. 

• Low, Long

  High, Short

• High, Long

  Low, Short

Which answer choice correctly fills in the blank: 

Whenever the sun is in the sky, the shodow it creates, will point in the ________. 

• Same direction

• Opposite direction