2nd-9 7W WEBWORK: Science

Front

What happens at the North Pole in winter?

Back

The Sun never rises, so it is dark all the time.

Front

Why does the Sun rise in the East and set in the West?

Back

Because Earth rotates in a counter clockwise direction.

Front

What occurs in the summer regarding the hemisphere's position to the Sun?

Back

The hemisphere is pointed towards the Sun; the sunlight is more intense; the Sun sits higher in the sky; and the length of day is longer.

Front

Why is Earth not a perfect sphere?

Back

Because as Earth rotates, the equator spins outward, much like the skirt of an ice skater, creating a bulge at the equator.

Front

How much is Earth's axis tilted in relation to the Ecliptic plane?

Back

23.5°.

Front

What is the effect of Earth's tilt on seasons?

Back

The tilt causes different parts of Earth to receive varying amounts of sunlight throughout the year, leading to seasons.

Front

What is the term for the path Earth takes around the Sun?

Back

Orbit.

Front

What is the significance of the equator?

Back

The equator is an imaginary line that divides Earth into the Northern and Southern Hemispheres and is the point of 0° latitude.

Front

What is the role of the Sun in the solar system?

Back

The Sun is the central star that provides light and heat, influencing the orbits of planets.

Front

What is day and night caused by?

Back

Day and night are caused by Earth's rotation on its axis.