Spaceship Earth Mystery 2

In ancient times, why would a cloudy day make it hard to know what time it was? 

• ​Without​ ​the​ ​sun,​ ​you​ ​can't​ ​use​ ​a​ ​shadow clock

• 
  Shadow clocks DO NOT need sunlight

• Shadow clocks work no matter the weather

Tags

NGSS.MS-ESS1-1

Say one morning the Earth suddenly stopped spinning. Would a shadow clock still work?

• Yes, because the sun would still move.

• No, a​ ​shadow​ ​clock​ ​only​ ​works​ ​because​ ​the​ ​shadow​ ​moves​ ​across​ ​the​ ​dial. No shadow means no time.

How did the Ancient Egyptians break up the two twelve-hour periods?

• Into summer and winter

• Into weeks

• Into day and night

• Into Saturday and Sunday

Tags

NGSS.MS-ESS1-1

Why is the shortest shadow of the day at 12:00 pm?

• The sun is low in the sky.

• The sun is right above the object & high in the sky.

• The sun is hidden behind clouds.

• The sun is low to the ground.

Tags

NGSS.MS-ESS1-1

The sun rises in the...

• west
• north
• south
• east

Tags

NGSS.MS-ESS1-1

The sun sets in the...

• North
• South
• East
• West

Tags

NGSS.MS-ESS1-1

Morning SHADOWS are in the...

• West
• East
• North
• South

Tags

NGSS.5-ESS1-2

Afternoon SHADOWS are in the ...

• East
• West
• North
• South

Tags

NGSS.MS-ESS1-1

At what time of day would shadows be LONG?

• At noon
• At midnight
• At sunrise & sunset

• Shadows are always short

Tags

NGSS.5-ESS1-2

The North on your Shadow Clock has to face which direction on Earth?

• North
• South
• East
• West