What causes the precession of the Earth?

gravitational pull of the planets and the moon

Hydrogen in converted to helium and energy is released

Why does the northern hemisphere experience seasons?

the Earth revolves around the sun and has a tilted axis

combining of two or more small atoms

How does solar energy make life on Earth possible?

solar energy is used in photosynthesis

Which statement describes the motion of the Earth around the sun?

The earth travels around an ellipse with the sun at a focus

Precession and nutation cause changes in....

star field view and seasonal weather

If it is summer in the Northern Hemisphere.....

it is winter in the southern hemisphere

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earth review 1

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in progress review for honors earth science

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Questions 30

Answers

1
The path of the planets around the sun is called...
a circle
a cosmic zone
an ellipse
an ellipsoid
2
What causes the precession of the Earth?
The Earth is speeding up.
friction
gravitational pull of the planets and the moon
hardening inner core of the Earth
3
Inside the sun...
Hydrogen in converted to helium and energy is released
helium is split into hydrogen and energy is absorbed
Hydrogen is converted to helium and energy is absorbed
helium is split into hydrogen and energy is released
4
How fast can electromagnetic waves travel?
300,000km/hour
300,000km/sec
300,000km/mim
8 min.
5
How does the sun produce energy?
Photosynthesis
fusion
combustion
fission
6
When the Sun, Earth and Moon line up at right angles ( Earth at the corner) we will have...
high tides
spring tides
neap tides
low tides
7
The image shows...
a solar eclipse
neap tide
spring tide
a lunar eclipse
8
How does the Earth move?
it revolves around a moon-earth barycenter
it rotates
it revolves around a sun-earth barycenter
all mentioned
9
Why does the northern hemisphere experience seasons?
because of the rotation of the Earth
sometimes the earth is closer to the sun
the Earth revolves around the sun and has a tilted axis
the moon's gravitational pull
10
What form of energy transfer is used by the sun?
conduction
combustion
radiation
convection
11
During a solar eclipse the following line up must occur:
sun- moon-earth
earth - sun - moon
moon - sun -Earth
sun- earth - moon
12
What does a plant need to preform photosynthesis?
carbon dioxide
all mentioned
water
sunlight
13
How much solar radiation is absorbed by the surface of the Earth?
25%
30%
20%
50%
14
What two gases make up most of the sun?
Nitrogen and oxygen
Nitrogen and hydrogen
Hydrogen and helium
carbon dioxide and hydrogen
15
What is fusion?
breaking apart of a large atom
combustion energy
combining of two or more small atoms
energy used to run nuclear power plants
16
One of the effects of the Earth moon barycenter is....
moon phases
seasons
star field changes
night and day
17
How does solar energy make life on Earth possible?
it doesn't
it removes heat from organisms on the planet
It increases our ozone layer
solar energy is used in photosynthesis
18
What does the image below show?
lunar eclipes
solar eclipes
spring tide
neap tide
19
Which of the following is not an abiotic factor?
mutualism
wind erosion
soil nutrients
temperature change
20
Which statement describes the motion of the Earth around the sun?
The Earth travels in an ellipse with the sun at the center.
the Earth travels is a perfect circle.
The sun moves around the Earth.
The earth travels around an ellipse with the sun at a focus
21
The universe is...
expanding
remaining constant
collapsing
spinning clockwise as a unit
22
How does the magnetic field of Earth help the planet?
allows the Earth to spin
shields against the coldness of space
shields against solar winds
deflects lunar radiation
23
The sun is ....
a red giant
an average star
a neutron star
a white dwarf
24
Precession and nutation cause changes in....
tides and phases of the moon
star field view and seasonal weather
star fields and tides
seasons and tides
25
Kepler discovered that the measurement of a planet's orbital time was related to the planet's
seasons
distance from each other
distance from sun
number of moons
26
If it is summer in the Northern Hemisphere.....
it is fall at the equator
it is winter in the southern hemisphere
It is spring at the equator
it is spring in the southern hemisphere
27
What causes the Earth's magnetic field?
gravitational forces
solar radiation
answer unknown
spinning iron and nickle core
28
In which structure is the sun located?
Horseshoe Nebula
Milky Way Galaxy
Andromeda Galaxy
Cat's eye nebula
29
An area of space that contains millions of stars would most likely be...
a solar system
a black hole
a nebula
a galaxy
30
According to Kepler's laws planet orbiting the sun cover
equal distance in equal time
speed up when they are farther from the sun
cover equal area in equal time
travel at the same speed all the time

earth review 1 Flashcards | StudBud