Climate Cycles

What kind of periods are ice ages?

• Warm periods

• Intergalactic periods

• Cold periods

• Both warm and cold preiods

Interglacials are ___________ periods

• Cold

• Warm

• golden

• Both cold and warm

The cause of long term cycles on Earth

• Change in the shape of Earth

• Change in the Earth's axis

• Change in the tilt of the Earth

• Both 1 and 2

The Earth's axis over a period of 100,00 years has changed from circular to

• Parabolic

• Hyperbolic

• Elliptical

• circular only.

The tilt of Earth's Axis changes every

• 20,000 years

• 32,000 years

• 41,000 years

• year

The angle of tilt of Earth's Axis varies from 22⁰ to

• 23.5⁰

• 24.5⁰

• 30⁰

• 20⁰

Long term climate cycles are also influenced by

• Corona Virus

• slow movement of Earth;s continent

• changes in ocean circulation

• Both 2 and 3

Tags

NGSS.MS-ESS2-6

The present tilt of the Earth is at

• 24.5⁰

• 28⁰

• 30⁰

• 23.5⁰

What causes seasons

• Rotation of Earth on its own axis

• Revolution of Earth around the Sun

• Tilt of earth's axis

• Both 2 and 3

Tags

NGSS.MS-ESS1-1

Do places on the equator experience any seasonal changes

• Yes

• No

Tags

NGSS.MS-ESS1-1