Pregunta 1
Pregunta
What season is shown for the Northern Hemisphere?
Respuesta
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Winter
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Spring
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Summer
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Fall
Pregunta 2
Pregunta
The [blank_start]axis[blank_end] is the imaginary line that passes through the Earth's center and the North and South poles.
Pregunta 3
Pregunta
The Earth's rotation causes [blank_start]day and night[blank_end].
Pregunta 4
Pregunta
It takes [blank_start]24[blank_end] hours for Earth to rotate one time.
Pregunta 5
Pregunta
What direction does Earth rotate?
Respuesta
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Clockwise
-
Counterclockwise
Pregunta 6
Pregunta
The movement of the Earth around the Sun is a [blank_start]revolution[blank_end].
Pregunta 7
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It takes [blank_start]365.25[blank_end] days for the Earth to travel once around the Sun.
Pregunta 8
Pregunta
The path that Earth follows is call a(n) [blank_start]orbit[blank_end].
Pregunta 9
Pregunta
The equator is always receiving [blank_start]direct[blank_end] sunlight.
Pregunta 10
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The north and south poles are always receiving [blank_start]indirect[blank_end] sunlight.
Pregunta 11
Pregunta
During an equinox, neither poles are facing the sun.
Pregunta 12
Pregunta
Earth has seasons because...
Pregunta 13
Pregunta
What day is the Summer Solstice for the Northern Hemisphere?
Respuesta
-
March 21
-
June 21
-
September 21
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December 21
Pregunta 14
Pregunta
What day is the Vernal Equinox for the Northern Hemisphere?
Respuesta
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March 21
-
June 21
-
September 21
-
December 21
Pregunta 15
Pregunta
What day is the Autumnal Equinox for the Northern Hemisphere?
Respuesta
-
March 21
-
June 21
-
September 21
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December 21
Pregunta 16
Pregunta
What day is the Winter Solstice for the Northern Hemisphere?
Respuesta
-
March 21
-
June 21
-
September 21
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December 21
Pregunta 17
Pregunta
Which direction does the Earth revolve around the Sun?
Respuesta
-
Clockwise
-
Counterclockwise
Pregunta 18
Pregunta
The definition of gravity is the [blank_start]attractive force between objects[blank_end].
Pregunta 19
Pregunta
The law of universal gravitation states that...
Respuesta
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an object in motion stays in motion unless acted upon by an outside force.
-
an objects mass on the Moon is 1/5 its mass on Earth.
-
every object in the universe is attracted to every other object.
Pregunta 20
Pregunta
The strength of the force of gravity between two objects depends on what two factors?
Respuesta
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mass
-
speed
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distance
-
season
Pregunta 21
Pregunta
If the mass of an object increases, the force between them [blank_start]increases[blank_end].
Pregunta 22
Pregunta
If the distance between two objects increases, the force between them [blank_start]decreases[blank_end].
Pregunta 23
Pregunta
weight=mass*[blank_start]acceleration of gravity[blank_end]
Pregunta 24
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The acceleration of gravity on Earth is [blank_start]9.81[blank_end] m/s^2.
Pregunta 25
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The unit for weight is [blank_start]Newtons[blank_end].
Pregunta 26
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The unit for mass is [blank_start]grams[blank_end].
Pregunta 27
Pregunta
The mass of an object was 112 kg. Its weight on the Earth is [blank_start]1097[blank_end] Newtons.
Pregunta 28
Pregunta
An object's mass on the Moon was 419 kg. Its mass on the Earth is [blank_start]419[blank_end] kg.
Pregunta 29
Pregunta
[blank_start]Inertia[blank_end] is the tenancy of an object to resist a change in motion.
Pregunta 30
Pregunta
[blank_start]Newton's first law of motion[blank_end] states that an object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force.
Pregunta 31
Pregunta
What two forces keep the Moon in orbit around the Earth?
Respuesta
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Mass
-
Inertia
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Gravity
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Distance
Pregunta 32
Pregunta
A(n) [blank_start]umbra[blank_end] is the central darker part of a shadow.
Pregunta 33
Pregunta
A(n) [blank_start]penumbra[blank_end] is the part of a shadow surrounding the darkest part.
Pregunta 34
Pregunta
Label this lunar eclipse.
Pregunta 35
Pregunta
Label this lunar eclipse.
Pregunta 36
Pregunta
A solar eclipse occurs in the [blank_start]new moon[blank_end] phase.
Pregunta 37
Pregunta
A lunar eclipse occurs in the [blank_start]full moon[blank_end] phase.
Pregunta 38
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A person in the Moon's umbra would see a [blank_start]total[blank_end] solar eclipse.
Pregunta 39
Pregunta
A person in the Moon's penumbra would see a [blank_start]partial[blank_end] solar eclipse.
Pregunta 40
Pregunta
What kind of tide is shown?
Pregunta 41
Pregunta
What kind of tide is shown?
Pregunta 42
Pregunta
The changing tides are caused by the [blank_start]gravitational attraction of the moon[blank_end].
Pregunta 43
Pregunta
Around the world, high tides occur [blank_start]2[blank_end] times a day.
Pregunta 44
Pregunta
Approximately [blank_start]7[blank_end] days after a Spring Tide, a Neap Tide occurs.
Pregunta 45
Pregunta
During a Spring Tide, high tides are _____ and low tides are _____.
Respuesta
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lower, higher
-
higher, lower
-
lower, lower
-
higher, higher
Pregunta 46
Pregunta
During a Neap Tide, high tides are _____ and low tides are _____.
Respuesta
-
lower, lower
-
higher, higher
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lower, higher
-
higher, lower