Sun_Earth_Moon System

The force that attracts any two objects with mass is called___.

• Gravity

• Magnetism

• Buoyancy

• Pressure

1) Gravitational force is strong when:

• The distance between the objects increases

• The distance between objects is small

• The distance between objects is big

• The distance between objects is constant

Which one of the following statements is not correct?

• The moon orbits the Earth.

• The Earth revolves around the Sun.

• The Sun is about 110 times bigger than the Earth.

• The Moon is ½ size of the Earth.

The following statements about the Earth’s tilt are true, except:

• The Earth is tilted by 23.5 degrees.

• The Earth’s tilt causes the Moon to change phases.

• The Earth’s tilt causes the differences in the lengths of day and night.

• The Earth’s tilt causes the seasons to change.

What phase of the moon is it when approaching a new moon?

• Waxing crescent

• Waxing gibbous

• Waning crescent

• Waning gibbous

One of the two days in the year when day and nights are of the same length of time is called ___.

• Tide

• Eclipse

• Solstice

• Equinox

How long does the moon revolve around the Earth?

When the Earth is exactly between the Sun and the moon, we can see a ____ moon.

Which event occurs when the Earth rotates on its tilted axis from the line perpendicular to its orbit?

• Tides

• Moon phases

• Seasons

• Day and Night

Which statement is not true about spring tides?

• Occur twice a month during quarter moons

• Occur twice a month during full moon and new moon

• Occur when the gravity of Sun and moon pull in the same direction

• There is a great difference between high tide and a low tide