CKLA 2nd Domain 6 Lesson 2

Multiple Choice

What is a cycle?

• A cycle is a random occurrence with no pattern.
• A cycle is a sequence of events that repeats again and again.

• A cycle is a one-time event that does not repeat.

Multiple Choice

What cycle have we learned about?

• The life cycle of a frog

• The water cycle
• The cycle of daytime and nightime

Open Ended

Why do we have the cycle of daytime and nighttime?

Multiple Choice

How long does it take Earth to rotate once on its axis?

• 24 hours
• 36 hours
• 12 hours

Multiple Choice

​When does daytime happen?

• when the part of Earth you live on faces the sun

• when the part of Earth you live on faces away from the sun

​Listen carefully to hear about how Earth’s revolution relates to the seasons in the Northern Hemisphere.

Multiple Choice

How long does it take Earth to orbit or revolve around the sun?

• 365 weeks
• 12 days

• 365 days

Multiple Choice

In what hemisphere do you live?

• Northern Hemisphere

• Tropical Zone
• Southern hemisphere

Multiple Choice

What is the first day of summer called?

• Winter Solstice
• Equinox
• Summer Solstice

Multiple Choice

What is the first day of winter called?

• Winter Solstice
• Equinox
• Summer Solstice

Multiple Choice

What do the first day of spring and the first day of autumn have in common?

• They occur on the same date every year.
• They are both equinoxes.
• They are both solstices.

Multiple Choice

What is the name of the imaginary line that divides the Earth in half into the Northern and Southern Hemispheres?

• Prime Meridian
• Tropic of Cancer
• Equator

​Today you are going to do another demonstration that allows them to make observations of the earth revolving and the cycle of the seasons, but first you are going to review the observations you made about daytime and nighttime.