time and motion

The fact that the time period of a simple pendulum remains same is used in ............clock

• SUNDIAL

• SIMPLE

• PENDULUM

SI unit if time

• hour

• minute

• seconds

The marks on a sun dial show __________ intervals

• shadow

• time

• season

• marks

Tags

NGSS.5-ESS1-2

A shadows length is the shortest at ___________

• noon

• Sun rise

• Sun set

• 4:00 pm

Tags

NGSS.5-ESS1-2

What time is it in picture A

• 12 P.M.

• 8 A.M.

• 4 P.M.

• 12 A.M.

Tags

NGSS.5-ESS1-2

What time is it in picture B

• 12 P.M.

• 8 A.M.

• 4 P.M.

• 12 A.M.

Tags

NGSS.5-ESS1-2

What time would there be no shadow?

• 12 P.M.

• 8 A.M.

• 4 P.M.

• 12 A.M.

Tags

NGSS.5-ESS1-2

Shadows are longest during _______.

• morning and evening

• noon

• night

Tags

NGSS.5-ESS1-2

Read the sentence from the passage.
"People in ancient Egypt, Greece, and China made shadow clocks, or sundials, in all shapes and sizes." 
"At night, or on cloudy days, they didn't work. So how did people tell time when there was no  sunlight?"
Which point is the author making with the evidence in these sentences?

• Sundials did not endure through the years.
• Ancient sundials worked better than modern sundials.
• Sundials were not ideal devices for telling time. 
• Large sundials would tell time on cloudy days.

Reading Comprehension-The Sundial Bridge
Both “Build a Sundial” and “The Sundial Bridge” include the idea that— 

• people used sundials before clocks were invented. 
• a modern sundial was built in Redding, California. 
• a sundial’s time can be checked with a “noon mark.” 
• making a sundial today is easy.