Hand in any work needed.Get out a small piece of paper, PUT YOUR

NAME ON IT.When bell rings the quiz will start and you

will have 1 minute per question to answer.

Today

How long does it take for earth to rotate once?

Question 1

When the sun directly hits the southern hemisphere what season is it in the north?

South?

Question 2

How many degrees per hour does the Earth rotate?

Question 3

How many hours of light do we have on March 21?

Question 4

1. How long does it take for earth to rotate once?24 hours

2. When the sun directly hits the southern hemisphere what season is it in the north?South?Winter then summer

3. How many degrees per hour does the Earth rotate?15o

4. How many hours of light do we have on March 21?12 hours

Answers

The Moon

CraterRaysRilleMareTideEclipse

Vocabulary

Mass:7.35x1022kg73,500,000,000,000,000,000,000 kg

Gravity: 1.6 meters/second (moon) 9.8 meter/seconds (earth)

The moon rises in the East and sets in the WestThe moon moves to the East 12 degrees each day.It would take along time to get to the moon:

By Car 130daysBy rocket 13 hoursSpeed of Light 1.52 seconds

Moon Facts

Gravitational attraction between Proto-earth and comet or other cosmic object.Proto-earth was still liquid and object removed

part of earth to make the moon.Moon has similar rocks as Earth has.

Moons formation

From moon

From Earth

Fission theory –Moon split off from Earth

Capture theory – Earth’s gravity captured moon from elsewhere

Condensation theory – Formed at same time as Earth

Ejected ring theory – Debris from collision made a ring of debris that formed into moon

Other theories of moon formation

CratersImpact zone or hole

RaysDebris from crater

General features

How do craters form?

RilleMountain range

Mare (MAR-ee-a)Dark spots formed from

Magma flooding the surface.

Parts of the moon

The moon has phases based on its location between the Earth and Sun.

Moon phases

Look familiar?

What are tides?High and low

waterlevels from gravity.

What causes them?

Tides

Eclipses

Solar Eclipse -rareSun-Moon-

Earth

Lunar EclipseSun-Earth-MoonAlmost monthly

Use your notes to answer the following 5 questions and drawings.

~10 minutes we will grade.

Open to Page 16