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WorksheetsUnit 1: Earths Role in Space
Total questions: 30
Worksheet time: 22mins
Name
Class
Date
1.
Where does fusion occur in main sequence stars?
a)
core
b)
corona
c)
photosphere
d)
radiative zone
2.
Which planet has the fastest orbital speed?
a)
Mars
b)
Saturn
c)
Mercury
d)
Earth
3.
When does the southern hemisphere have its winter seasons?
a)
During the northern hemisphere's summer
b)
During the northern hemisphere's winter
c)
During the fall in north america
d)
It does not have any different seasons
4.
What answer does not explain Earth's seasons?
a)
The 23.5 degree tilt on the axis
b)
The axis pointed toward Polaris
c)
The revolution around the sun
d)
The Earth's rotation
5.
fusion
a)
occurs in power plants
b)
splits atoms
c)
creates lighter atoms
d)
occurs in stars
6.
Fission
a)
occurs in stars
b)
happens in nature
c)
creates smaller lighter atoms
d)
splits atoms
7.
Kepler's first law states that
a)
the orbits of planets around the sun/star are ellipses
b)
period squared is radius cubed
c)
planets move faster close to the sun and slower farther away
d)
gravity attracts objects to eachother
8.
Heat from the sun travels through space as
a)
electromagnetic radiation
b)
convection
c)
conduction
d)
advecting convection
9.
Kepler's second law states that
a)
all planets move around their star in elliptical orbits
b)
a planet sweeps out equal areas in equal times in its journey around a star
c)
equal volume at equal time
d)
period squared=radius cubed
10.
Kepler's third law states that
a)
Planets closer to the sun have a shorter year
b)
plants orbit at the same speed
c)
equal areas in equal times
d)
all orbits are shaped like ellpses
11.
convection
a)
involves sinking and rising due to density can occur in fluids/gases
b)
OCCURS in solids-you have to touch it!
c)
travels through space
d)
huh?
12.
Conduction
a)
occurs in fluids and gases
b)
occurs in solids and happens when I touch them
c)
travels through space to me here on Earth
d)
Is part of an orchestra-you know the leader!
13.
The movement of one object around another is
a)
rotation.
b)
revolution.
c)
eclipse.
d)
inertia.
14.
The spinning of Earth on its axis is called
a)
rotation.
b)
revolution.
c)
orbit.
d)
inertia.
15.
Which of the following events occurs once every 24 hours?
a)
The moon rotates on its axis.
b)
Earth rotates on its axis.
c)
The moon revolves around the Earth.
d)
Earth revolves around the sun.
16.
When the North end of Earth's axis is tilted toward the sun, ___.
a)
it is winter in the Southern Hemisphere
b)
the sun is farthest south of the equator
c)
the sun is low in the sky in the Northern Hemisphere
d)
it is summer in the Southern Hemisphere
17.
In a leap year, the number of days is ___.
a)
365
b)
365.25
c)
364
d)
366
18.
Neap tides occur ___.
a)
only when the sun and moon are the same distance from Earth
b)
when the sun and moon are at right angles to Earth
c)
when day and night are equal
d)
when the sun, moon, and Earth line up
19.
A tide with the largest difference between low and high tides is called a ___.
a)
Spring tide
b)
Neap tide
c)
Solar eclipse
d)
Lunar eclipse
20.
Each of the two days of the year when neither hemisphere is tilted toward the sun is known as a(n) ___.
a)
solistice
b)
equinox
c)
spring tide
d)
neap tide
21.
As the Earth travels around the sun, this tilt causes different areas of the Earth’s surface to get different amounts of daylight at different times of the year. The angle of the Sun’s rays to the surface also causes areas to have more or less of the Sun’s energy. This causes the ________.
a)
months
b)
day and night
c)
seasons
d)
years
22.
Day and night is caused by the _____________ of earth on its axis.
a)
revolution
b)
orbit
c)
rotation
23.
The season with the Earth tilted toward the Sun is:
a)
Spring
b)
Fall
c)
Summer
d)
Winter
24.
The wobble in Earth's rotation caused by the gravitational pull of the moon is called
a)
barycenter
b)
precession
c)
nutation
d)
convection
25.
Precession
a)
is a change in the angle of earth's axis and effects the seasons
b)
is the point of balance in the solar system
c)
causes retrograde motion of planets
d)
takes 26,000 years and is a change in the direction of Earth's axis
26.
The barycenter
a)
18 year wobble of earth's axis
b)
26,000 year change in direction of earth's axis
c)
center of mass of two bodies that are orbiting eachother
d)
the shape of a planet's orbit
27.
The red line in this image shows
a)
nutation
b)
precession
c)
barycenter
d)
elliptical orbits
28.
This image shows
a)
barycenter
b)
precession
c)
nutation
d)
elliptical orbits
29.
The triangle in this image represents
a)
nutation
b)
precession
c)
elliptical orbits
d)
the barycenter
30.
Solar eclipses occur during which Moon phase?
a)
New Moon
b)
Waning Crescent
c)
Waxing Crescent
d)
Waning Gibbous
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